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Kuvač Kraljević J, Runje N, Ružić V, Škorić AM, Lenček M, Štefanec A. Predictors of reading comprehension and profiling of poor readers in Croatian: educational and clinical perspectives. Front Psychol 2024; 15:1297183. [PMID: 38813561 PMCID: PMC11135172 DOI: 10.3389/fpsyg.2024.1297183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 04/29/2024] [Indexed: 05/31/2024] Open
Abstract
Introduction Reading is an important academic skill. Children who exhibit reading difficulties are more likely to experience various negative professional and personal consequences. To successfully identify children with reading problems as early as possible, one must first understand how reading skills can be mastered, as well as the course of reading development in children with typical reading skills from the beginning of their formal reading instruction. Thus, the purpose of this study was to determine the influence of decoding and language comprehension on reading comprehension ability. In addition, this study aimed to determine types of profiles among poor readers and estimate their frequency in the study sample. Methods Based on the Simple View of Reading model, we developed decoding, language comprehension, and reading comprehension tasks. Participants included 100 typical readers (TR) and 95 poor readers (PR) in the second grade in Croatian schools. Phonemic awareness, phonological working memory, and rapid automatized naming tasks were used to test underlying abilities of decoding skills in both groups of participants. Results As expected, PRs showed significantly lower performance on all variables than TRs. The correlations between decoding, language comprehension and reading comprehension are significant in the PR group. The linear regression analysis showed that language comprehension was a significant predictor of reading comprehension for TRs, while decoding and language comprehension were significant predictors of reading comprehension for PRs. The profiling of reading difficulties revealed five different profiles, the most common of which was a mixed reading difficulty, i.e., difficulties in both decoding and language comprehension. Discussion In line with theoretical expectations, success in reading comprehension in TRs at the end of the second grade depends mainly on language comprehension. To achieve this complex cognitive skill, PRs' language comprehension alone is not sufficient, so they still rely on their decoding skills. Among the poor readers, there was a high prevalence of children with decoding problems (i.e., three out of five profiles). Teachers should be able to identify and monitor decoding difficulties in children, since these difficulties are associated with noticeable manifestations, unlike those associated with comprehension difficulties.
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Affiliation(s)
- Jelena Kuvač Kraljević
- Department of Speech and Language Pathology, Faculty of Education and Rehabilitation Sciences, University of Zagreb, Zagreb, Croatia
| | - Nikolina Runje
- Naklada Slap, Centre for Education and Research, Jastrebarsko, Croatia
| | - Valentina Ružić
- Naklada Slap, Centre for Education and Research, Jastrebarsko, Croatia
| | - Ana Matić Škorić
- Department of Speech and Language Pathology, Faculty of Education and Rehabilitation Sciences, University of Zagreb, Zagreb, Croatia
| | - Mirjana Lenček
- Department of Speech and Language Pathology, Faculty of Education and Rehabilitation Sciences, University of Zagreb, Zagreb, Croatia
| | - Antonia Štefanec
- Naklada Slap, Centre for Education and Research, Jastrebarsko, Croatia
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Abu Rabia S, Darawshe E. Evaluation of the multiple-deficit hypothesis among dyslexic Arabic-speaking children. DYSLEXIA (CHICHESTER, ENGLAND) 2024; 30:e1759. [PMID: 38433579 DOI: 10.1002/dys.1759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/10/2023] [Accepted: 12/14/2023] [Indexed: 03/05/2024]
Abstract
This study examined the multiple-deficit hypothesis among Arabic-speaking elementary school students. A total of 90 students, divided into three main groups based on their performance on an Arabic word-reading task: dyslexic (n = 30), regular age-matched (n = 30), and 3rd-grade regular students, who were matched to the dyslexic group in regard to their reading proficiency level (n = 30). Participants underwent a nine-domain Arabic reading experiment that measured accuracy and fluency to evaluate general reading proficiency. The performance of Arabic dyslexic students was significantly worse than age-matched controls, but similar to young matched controls based on the reading level of each cognitive task. Moreover, dyslexic students showed deficits in three or more cognitive functions, depending on severity. This study adds to the limited empirical research on the double-deficit hypothesis and its extension to the multiple-domain model among young Arabic students.
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Affiliation(s)
| | - Esraa Darawshe
- Faculty of Education, University of Haifa, Haifa, Israel
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Almgren Bäck G, Lindeblad E, Elmqvist C, Svensson I. Dyslexic students' experiences in using assistive technology to support written language skills: a five-year follow-up. Disabil Rehabil Assist Technol 2024; 19:1217-1227. [PMID: 36641779 DOI: 10.1080/17483107.2022.2161647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 11/16/2022] [Accepted: 12/16/2022] [Indexed: 01/16/2023]
Abstract
PURPOSE This study presents several accounts of user experiences with assistive technology (AT). Although previous studies on dyslexic students reported promising results from using audiobooks, text-to-speech (TTS), and speech-to-text (STT), qualitative research is relatively sparse and short-term, and little is known about adolescents' long-term experiences of using AT in schools. Therefore, this five-year follow-up study aimed to describe dyslexic students' experiences of AT. MATERIALS AND METHODS Nine students with dyslexia were interviewed using a semi-structured framework and a descriptive pattern-based thematic analysis. The students had previously participated in an AT intervention in Sweden. RESULTS Three main themes are reported: Contextual factors: facilitators or barriers; Emotional responses in the learning environment; Developing meaningful strategies. The results align with previous research findings that audiobooks are beneficial throughout the school years, while STT is of mixed utility. TTS was mainly used in learning to decode texts. Continued AT use is discussed thematically, concretising experiences connected to schools' multilevel support. CONCLUSIONS This study can contribute to the development of AT academic practices enriched by users' views. The findings reveal factors enabling or hindering students' continued AT usage. Contextual factors in schools concern organisational elements rather than AT accessibility. Students' emotional responses (using AT in the classroom) are influenced by dyslexia self-acceptance and AT attitudes. Students' understanding of how and why to use AT may limit the development of meaningful strategies. Implications and suggested further research are provided to improve dyslexic students' AT experiences and success in school.
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Affiliation(s)
| | - Emma Lindeblad
- Department of Psychology, Linneaus University, Växjö, Sweden
| | - Carina Elmqvist
- Department of Health and Caring Sciences, Linneaus University, Växjö, Sweden
| | - Idor Svensson
- Department of Psychology, Linneaus University, Växjö, Sweden
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Kranz AE, Serry TA, Snow PC. Twice-exceptionality unmasked: A systematic narrative review of the literature on identifying dyslexia in the gifted child. DYSLEXIA (CHICHESTER, ENGLAND) 2024; 30:e1763. [PMID: 38232949 DOI: 10.1002/dys.1763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 11/03/2023] [Accepted: 01/04/2024] [Indexed: 01/19/2024]
Abstract
In this systematic narrative review, we synthesised the small existing body of research on children who are gifted and dyslexic (G-D) in order to investigate the claim that G-D students have a unique profile, characterised by well-masked word-level reading and spelling difficulties. Our focus was on both the cognitive and academic profiles of this subgroup of twice-exceptional (2e) children and the assessment protocols used to identify them. Findings suggest that despite having processing deficits associated with dyslexia, G-D students' gifted strengths, especially those relating to oral language, may enable them to compensate for their reading difficulties, at least to an extent that they fail to meet standard diagnostic criteria. However, G-D students also perform poorly on word-level reading, reading fluency and spelling tasks when compared with both control groups and their gifted, non-dyslexic peers, providing clear evidence of impaired achievement. Findings from this review highlight the need for (a) a more nuanced approach to the assessment of students presenting with highly discrepant profiles and (b) future research into both the cognitive and academic profiles and the instructional needs of this highly able yet poorly understood group of students, whose potential may be masked and thus underestimated in the school setting.
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Affiliation(s)
- Amanda E Kranz
- School of Education, La Trobe University, Bundoora, Australia
| | - Tanya A Serry
- School of Education, La Trobe University, Bundoora, Australia
| | - Pamela C Snow
- School of Education, La Trobe University, Bundoora, Australia
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Ramezani M, Fawcett AJ. Cognitive-Motor Training Improves Reading-Related Executive Functions: A Randomized Clinical Trial Study in Dyslexia. Brain Sci 2024; 14:127. [PMID: 38391702 PMCID: PMC10887110 DOI: 10.3390/brainsci14020127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 02/24/2024] Open
Abstract
Children with developmental dyslexia (DD) often struggle with executive function difficulties which can continue into adulthood if not addressed. This double-blinded randomized clinical trial study evaluated the short-term effects of the Verbal Working Memory-Balance (VWM-B) program on reading-related executive functions, reading skills, and reading comprehension in Persian children with DD. The active control group [12 children with DD with a mean age of 9 years (SD = 0.90)] received training using the single-task VWM program, while the experiment group [15 children with DD with a mean age of 8 years (SD = 0.74)] received training with the dual-task VWM-B program. Both groups received fifteen training sessions, and assessments were conducted before and after the intervention. The groups were homogenized for possible confounders of age, gender, IQ level, and attention level. The study employed separate mixed ANOVA analyses to estimate the impact of training programs on various measured functions. Significant improvements were observed in the outcome measures of backward digit span, text comprehension, verbal fluency, Stroop color-word test and interference, and the reading subtests. Additionally, significant correlations were found between reading skills and backward digit span, text comprehension, verbal fluency, and Stroop variables. In conclusion, the dual-task VWM-B program was found to be more effective than the single-task VWM program in improving selective attention, cognitive inhibition, verbal working memory capacity, information processing speed, naming ability, and lexical access speed. These enhanced executive functions were associated with improved reading skills in children with DD.
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Affiliation(s)
- Mehdi Ramezani
- Nursing and Midwifery Care Research Center, Health Management Research Institute, Iran University of Medical Sciences, Tehran 14496-14535, Iran
| | - Angela J Fawcett
- Department of Psychology, Swansea University, Swansea SA1 8EN, UK
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Waldmann C, Levlin M. Reading profiles in secondary school: concurrent language and cognitive abilities, and retrospective and prospective reading skills. Front Psychol 2024; 14:1287134. [PMID: 38314251 PMCID: PMC10834630 DOI: 10.3389/fpsyg.2023.1287134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 12/26/2023] [Indexed: 02/06/2024] Open
Abstract
Introduction We examined the concurrent language and cognitive abilities in a group of Swedish students with different reading profiles in secondary school, and the retrospective (primary school) and prospective (upper-secondary school) reading skills of each reading profile. Methods Seventy-nine students participated in data collections in primary (grade 2: age 8), secondary (grade 8: age 14) and upper-secondary school (year 2: age 17). Independent variables included measures of word recognition, and vocabulary and text comprehension in secondary school. Dependent variables included measures of phonemic awareness, verbal fluency, listening comprehension, spelling, verbal working memory and nonverbal reasoning skills in secondary school, and word recognition and reading comprehension in primary and upper-secondary school. Results When exploring the concurrent language and cognitive abilities of the reading profiles in secondary school, spelling emerged as a weakness and listening comprehension as a strength for students with poor decoding. Students with poor comprehension experienced weaknesses in spelling, and non-verbal reasoning. Students with both poor decoding and comprehension displayed a multi-deficit profile in language and cognition. As regards the retrospective and prospective reading skills, the relative ranking of the reading profiles was rather consistent in both primary and upper-secondary school. Discussion The findings suggest that limitations in phonological awareness may not be a prominent feature of secondary school students with poor decoding in more transparent orthographies. From an educational perspective, spoken sources may support learning among students with poor decoding, whereas students with poor comprehension or combined difficulties in decoding and comprehension need support when learning from both spoken and written sources.
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Affiliation(s)
| | - Maria Levlin
- Department of Language Studies, Umeå University, Umeå, Sweden
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Newbury J, Eagle J. The complexities of diagnosis: New Zealand parents' knowledge, perceptions, and experiences of identification of their children's language and literacy difficulties. INTERNATIONAL JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2023:1-15. [PMID: 37991717 DOI: 10.1080/17549507.2023.2272587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
PURPOSE This study reported the experiences of New Zealand caregivers of children with language and literacy difficulties in having their child's needs identified. METHOD The participants were 14 mothers of children with idiopathic language and literacy difficulties, recruited through social media language and literacy difficulties support groups. Two mothers identified as Māori and 12 New Zealand European. Data were collected through semi-structured interviews. A phenomenological approach using reflexive thematic analysis was used. RESULT These mothers had learned about language, literacy, and the education system to advocate for their child and perceived a lack of knowledge on the part of schools. Nearly all had sought a diagnosis, with understanding and access to support reported as positive consequences and stigma as a negative. Some preferred labels emphasising difference rather than disorder, consistent with traditional Māori and neurodiversity views. The mothers described their experience as a fight, due to their concerns being ignored, the need to pay for private diagnostic assessments and difficulty accessing services. They appreciated assessors who gave useful, comprehensible information and supported school liaison. CONCLUSION These mothers wanted improved teacher training and publicly funded diagnostic assessment services to improve access to best practice language and literacy instruction for their children.
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Affiliation(s)
- Jayne Newbury
- School of Psychology, Speech and Hearing, University of Canterbury, Christchurch, New Zealand
| | - Jessica Eagle
- School of Psychology, Speech and Hearing, University of Canterbury, Christchurch, New Zealand
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Kargin T, Guldenoglu B, Gengec H, Toker M. The Importance of Morphological Knowledge in the Reading Comprehension Difficulties in a Highly Agglutinative Language: Evidence from Poor Comprehenders. JOURNAL OF PSYCHOLINGUISTIC RESEARCH 2023; 52:653-673. [PMID: 36306042 DOI: 10.1007/s10936-022-09916-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/18/2022] [Indexed: 05/07/2023]
Abstract
This study examined the importance of morphological knowledge in the reading comprehension difficulties of poor comprehenders reading in a highly agglutinative language, Turkish. Participants were 56 students recruited from the second and third grades. In the assessment process, we applied three experimental paradigms addressing the participants' morphological and morpho-syntactical knowledge at the lexical and the supralexical levels. Data were collected in individual sessions and analyzed by running a series of GLM ANOVAs and calculating the Spearman-Brown correlation coefficient. Findings suggest morphological knowledge is an important indicator of reading comprehension difficulties in Turkish, a highly agglutinative language. The acquisition of adequate reading comprehension seems to be modified by particularities of the morphological knowledge.
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Affiliation(s)
- Tevhide Kargin
- Department of Special Education (TR), Faculty of Educational Sciences, Ankara University, Ankara, Turkey
| | - Birkan Guldenoglu
- Department of Special Education (TR), Faculty of Educational Sciences, Ankara University, Ankara, Turkey.
| | - Hilal Gengec
- Department of Special Education (TR), Kırıkkale University, Kırıkkale, Turkey
| | - Merih Toker
- Department of Special Education (TR), Faculty of Education, Hasan Kalyoncu University, Gaziantep, Turkey
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Vajs I, Papić T, Ković V, Savić AM, Janković MM. Accessible Dyslexia Detection with Real-Time Reading Feedback through Robust Interpretable Eye-Tracking Features. Brain Sci 2023; 13:brainsci13030405. [PMID: 36979215 PMCID: PMC10046816 DOI: 10.3390/brainsci13030405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/08/2023] [Accepted: 02/24/2023] [Indexed: 03/02/2023] Open
Abstract
Developing reliable, quantifiable, and accessible metrics for dyslexia diagnosis and tracking represents an important goal, considering the widespread nature of dyslexia and its negative impact on education and quality of life. In this study, we observe eye-tracking data from 15 dyslexic and 15 neurotypical Serbian school-age children who read text segments presented on different color configurations. Two new eye-tracking features were introduced that quantify the amount of spatial complexity of the subject’s gaze through time and inherently provide information regarding the locations in the text in which the subject struggled the most. The features were extracted from the raw eye-tracking data (x, y coordinates), from the original data gathered at 60 Hz, and from the downsampled data at 30 Hz, examining the compatibility of features with low-cost or custom-made eye-trackers. The features were used as inputs to machine learning algorithms, and the best-obtained accuracy was 88.9% for 60 Hz and 87.8% for 30 Hz. The features were also used to analyze the influence of background/overlay color on the quality of reading, and it was shown that the introduced features separate the dyslexic and control groups regardless of the background/overlay color. The colors can, however, influence each subject differently, which implies that an individualistic approach would be necessary to obtain the best therapeutic results. The performed study shows promise in dyslexia detection and evaluation, as the proposed features can be implemented in real time as feedback during reading and show effectiveness at detecting dyslexia with data obtained using a lower sampling rate.
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Affiliation(s)
- Ivan Vajs
- School of Electrical Engineering, University of Belgrade, Bulevar Kralja Aleksandra 73, 11120 Belgrade, Serbia
- Innovation Center, School of Electrical Engineering, Bulevar Kralja Aleksandra 73, 11120 Belgrade, Serbia
- Correspondence: (I.V.); (T.P.); Tel.: +381-11-3218-455 (I.V.); +381-63-1210-489 (T.P.)
| | - Tamara Papić
- Faculty of Technical Sciences, University Singidunum, Danijelova 32, 11000 Belgrade, Serbia
- Correspondence: (I.V.); (T.P.); Tel.: +381-11-3218-455 (I.V.); +381-63-1210-489 (T.P.)
| | - Vanja Ković
- Faculty of Philosophy, University of Belgrade, Čika-Ljubina 18-20, 11000 Belgrade, Serbia
| | - Andrej M. Savić
- School of Electrical Engineering, University of Belgrade, Bulevar Kralja Aleksandra 73, 11120 Belgrade, Serbia
| | - Milica M. Janković
- School of Electrical Engineering, University of Belgrade, Bulevar Kralja Aleksandra 73, 11120 Belgrade, Serbia
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Wissell S, Karimi L, Serry T, Furlong L, Hudson J. "You Don't Look Dyslexic": Using the Job Demands-Resource Model of Burnout to Explore Employment Experiences of Australian Adults with Dyslexia. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:10719. [PMID: 36078435 PMCID: PMC9518213 DOI: 10.3390/ijerph191710719] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/18/2022] [Accepted: 08/24/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Employment and job security are key influences on health and wellbeing. In Australia, little is known about the employment lifecycle of adults with dyslexia. MATERIALS AND METHODS Using a qualitative research design, this study sought to explore the experiences faced by adults with dyslexia seeking and retaining employment. In-depth interviews were conducted with a cohort either currently or previously in the labour market. We used the Job Demands Resource Model of Burnout (JD-R Model) to explore links between workplace characteristics and employee wellbeing. Deductive content analysis attained condensed and broad descriptions of participants' workplace experiences. RESULTS Dyslexic adults (n = 14) participated; majority employed part/full-time and experienced challenges throughout their employment; exhaustion and burnout at work were reported, also fear and indecision about disclosure of dyslexia. A minority reported receiving positive, useful support from team members following disclosure. CONCLUSION The JD-R Model provided a guiding framework. We found participants experienced a myriad of challenges that included risk of mental exhaustion, discrimination, limited access to support and fatigue, leaving them vulnerable to job burn-out. Dyslexia does not have to be a major barrier to success in any occupation. Yet, when in supportive, informed workplace environments, employees with dyslexia thrive.
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Affiliation(s)
- Shae Wissell
- School of Psychology and Public Health, La Trobe University, Bundoora, VIC 3086, Australia
| | - Leila Karimi
- Psychology Department, School of Applied Health, RMIT University, Melbourne, VIC 3001, Australia
- School of Medicine and Healthcare Management, Caucasus University, Tbilisi 0102, Georgia
| | - Tanya Serry
- School of Education, La Trobe University, Bundoora, VIC 3086, Australia
| | - Lisa Furlong
- School of Education, La Trobe University, Bundoora, VIC 3086, Australia
- Child Well-Being Research Institute, University of Canterbury, Christchurch 8140, New Zealand
| | - Judith Hudson
- School of Education, University Tasmania, Hobart, TAS 7001, Australia
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Li M, Kirby JR, Geva E, Koh PW, Zhang H. Profiles of Poor Decoders, Poor Comprehenders, and Typically Developing Readers in Adolescents Learning English as a Second Language. JOURNAL OF LEARNING DISABILITIES 2022; 55:306-324. [PMID: 34151637 DOI: 10.1177/00222194211023200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
This study examined (a) the identification of various reading groups across languages in Chinese (L1) adolescents learning English as a second language (ESL), in terms of their word-reading and reading comprehension skills, (b) overlap in reading group membership across languages, and (c) the performance of the various reading groups on reading-related language comprehension measures in English. The participants were 246 eighth-grade students from an English-immersion program in a middle school in China. Latent profile analysis identified three reading groups in each language: (a) a typically developing reader group with average or above-average word-reading and reading comprehension, (b) a group with poor decoding/word-reading skills and weak reading comprehension, and (c) a group with poor reading comprehension in the absence of poor decoding/word reading. The overlap in profile characteristics across languages for typically developing readers and poor decoders was high (about 68% for typically developing readers and 54% for poor decoders), whereas the overlap for being poor comprehenders in each language was moderate (about 37%). Furthermore, poor decoders in either language performed more poorly than the typically developing and poor comprehender groups on word reading in the other language, while poor comprehenders in either language performed more poorly than the typically developing and poor decoder groups on reading comprehension in the other language. The comparison of the reading groups' performance on English reading-related language comprehension measures showed that poor comprehenders and poor decoders performed worse than typically developing readers. Implications for identification and instruction of ESL children with reading difficulties are discussed.
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Affiliation(s)
- Miao Li
- University of Houston, TX, USA
| | | | | | - Poh Wee Koh
- Texas A&M University, College Station, TX, USA
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Taylor H, Vestergaard MD. Developmental Dyslexia: Disorder or Specialization in Exploration? Front Psychol 2022; 13:889245. [PMID: 35814102 PMCID: PMC9263984 DOI: 10.3389/fpsyg.2022.889245] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 05/24/2022] [Indexed: 11/24/2022] Open
Abstract
We raise the new possibility that people diagnosed with developmental dyslexia (DD) are specialized in explorative cognitive search, and rather than having a neurocognitive disorder, play an essential role in human adaptation. Most DD research has studied educational difficulties, with theories framing differences in neurocognitive processes as deficits. However, people with DD are also often proposed to have certain strengths - particularly in realms like discovery, invention, and creativity - that deficit-centered theories cannot explain. We investigate whether these strengths reflect an underlying explorative specialization. We re-examine experimental studies in psychology and neuroscience using the framework of cognitive search, whereby many psychological processes involve a trade-off between exploration and exploitation. We report evidence of an explorative bias in DD-associated cognitive strategies. High DD prevalence and an attendant explorative bias across multiple areas of cognition suggest the existence of explorative specialization. An evolutionary perspective explains the combination of findings and challenges the view that individuals with DD have a disorder. In cooperating groups, individual specialization is favored when features that confer fitness benefits are functionally incompatible. Evidence for search specialization suggests that, as with some other social organisms, humans mediate the exploration-exploitation trade-off by specializing in complementary strategies. The existence of a system of collective cognitive search that emerges through collaboration would help to explain our species' exceptional adaptiveness. It also aligns with evidence for substantial variability during our evolutionary history and the notion that humans are adapted not to a particular habitat but to variability itself. Specialization creates interdependence and necessitates balancing complementary strategies. Reframing DD therefore underscores the urgency of changing certain cultural practices to ensure we do not inhibit adaptation. Key improvements would remove cultural barriers to exploration and nurture explorative learning in education, academia, and the workplace, as well as emphasize collaboration over competition. Specialization in complementary search abilities represents a meta-adaptation; through collaboration, this likely enables human groups (as a species and as cultural systems) to successfully adapt. Cultural change to support this system of collaborative search may therefore be essential in confronting the challenges humanity now faces.
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Affiliation(s)
- Helen Taylor
- Hunter Centre for Entrepreneurship, Strathclyde Business School, University of Strathclyde, Glasgow, United Kingdom
- Department of Archaeology, Faculty of Human, Social and Political Science, School of the Humanities and Social Sciences, McDonald Institute for Archaeological Research, University of Cambridge, Cambridge, United Kingdom
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Brèthes H, Cavalli E, Denis-Noël A, Melmi JB, El Ahmadi A, Bianco M, Colé P. Text Reading Fluency and Text Reading Comprehension Do Not Rely on the Same Abilities in University Students With and Without Dyslexia. Front Psychol 2022; 13:866543. [PMID: 35615197 PMCID: PMC9125151 DOI: 10.3389/fpsyg.2022.866543] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 02/28/2022] [Indexed: 11/27/2022] Open
Abstract
Developmental dyslexia is a specific learning condition characterized by severe and persistent difficulties in written word recognition, decoding and spelling that may impair both text reading fluency and text reading comprehension. Despite this, some adults with dyslexia successfully complete their university studies even though graduating from university involves intensive exposure to long and complex texts. This study examined the cognitive skills underlying both text reading comprehension and text reading fluency (TRF) in a sample of 54 university students with dyslexia and 63 university students without dyslexia, based on a set of tests adapted for an adult population, including listening comprehension, word reading, pseudoword reading (i.e., decoding), phonemic awareness, spelling, visual span, reading span, vocabulary, non-verbal reasoning, and general knowledge. The contribution of these skills to text reading fluency and text reading comprehension was examined using stepwise multiplicative linear regression analyses. As far as TRF is concerned, a regression model including word reading, pseudoword reading and spelling best fits the data, while a regression model including listening comprehension, general knowledge and vocabulary best fits the data obtained for text reading comprehension. Overall, these results are discussed in the light of the current literature on adults with dyslexia and both text reading fluency and text reading comprehension.
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Affiliation(s)
- Hélène Brèthes
- Aix-Marseille Université, CNRS, Laboratoire de Psychologie Cognitive (UMR 7290, CNRS), Marseille, France
- Brain and Language Research Institute/Institute of Language, Communication and the Brain, Aix-Marseille Université and CNRS, Aix-en-Provence, France
| | - Eddy Cavalli
- Laboratoire d’Etude des Mécanismes Cognitifs, Université Lumière Lyon 2, Lyon, France
| | - Ambre Denis-Noël
- Université Côte d’Azur, CNRS, MSHS Sud-Est, CoCoLab, Nice, France
| | - Jean-Baptiste Melmi
- Aix-Marseille Université, CNRS, Laboratoire de Psychologie Cognitive (UMR 7290, CNRS), Marseille, France
- Brain and Language Research Institute/Institute of Language, Communication and the Brain, Aix-Marseille Université and CNRS, Aix-en-Provence, France
| | - Abdessadek El Ahmadi
- Aix-Marseille Université, CNRS, Laboratoire de Neurosciences Cognitives (UMR 7291, CNRS), Marseille, France
| | | | - Pascale Colé
- Aix-Marseille Université, CNRS, Laboratoire de Psychologie Cognitive (UMR 7290, CNRS), Marseille, France
- Brain and Language Research Institute/Institute of Language, Communication and the Brain, Aix-Marseille Université and CNRS, Aix-en-Provence, France
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14
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Huo MR, Koh P, Cheng Y, Marinova-Todd SH, Chen X. The simple view of reading in French second language learners. LEARNING AND INDIVIDUAL DIFFERENCES 2021. [DOI: 10.1016/j.lindif.2021.102082] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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15
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Rao C, T A S, Midha R, Oberoi G, Kar B, Khan M, Vaidya K, Midya V, Raman N, Gajre M, Singh NC. Development and standardization of the DALI-DAB (dyslexia assessment for languages of India - dyslexia assessment battery). ANNALS OF DYSLEXIA 2021; 71:439-457. [PMID: 33909225 DOI: 10.1007/s11881-021-00227-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 04/06/2021] [Indexed: 06/12/2023]
Abstract
A majority of Indian schoolchildren are biliterate in that they acquire literacy in at least two language systems, necessitating dyslexia assessment in both. The DALI-DAB assesses risk for dyslexia by evaluating reading ability and literacy-learning potential through a battery including literacy tests (letter and word reading, spelling, nonword reading, reading comprehension), and mediator skills (phonological awareness, processing automaticity and executive fluency, oral language) in multiple languages. DALI-DAB was developed in three languages - English, Hindi, and Marathi - and standardized on a sample of 1013 children. Reliability analyses revealed high internal consistency (α > 0.8) in most tests in all three languages. Low standard error of measurement values supported DALI-DAB score stability over repeated testing. Construct validity was variously reinforced through, (i) selection of culture-referenced, research-based tests, (ii) approval of test materials by schoolteachers (face validity) and (iii) grade-correlated performance increases on all DALI-DAB tests, besides robust correlations between (iv) literacy and mediator skill test scores (p < .001, concurrent validity), (v) equivalent tests across languages (p < .01, convergent validity), and (vi) DALI-DAB and WJ III ACH literacy scores (p < .01, criterion validity), in contrast to (vii) low correlation between DALI-DAB and WJ III ACH math scores (p > .05, discriminant validity). Overall, the DALI-DAB represents the first standardized dyslexia assessment tool for bilingual-biliterate children.
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Affiliation(s)
- Chaitra Rao
- National Brain Research Centre, Manesar, Haryana, 122 051, India
- NERD Tools Foundation, 11/1401, Vipul Greens, Sector-48, Gurgaon, 122018, India
| | - Sumathi T A
- National Brain Research Centre, Manesar, Haryana, 122 051, India
- NERD Tools Foundation, 11/1401, Vipul Greens, Sector-48, Gurgaon, 122018, India
| | - Rashi Midha
- National Brain Research Centre, Manesar, Haryana, 122 051, India
- Spandana Nursing Home (Psychiatric Hospital), Bangalore, India
| | - Geet Oberoi
- Orkids Foundation, Kalkaji, New Delhi, Delhi, 110 019, India
| | - Bhoomika Kar
- Centre for Behavioural and Cognitive Sciences, University of Allahabad, Allahabad, Uttar Pradesh, 211 002, India
| | - Masarrat Khan
- Maharashtra Dyslexia Association, Chembur, Mumbai, Maharashtra, 400 088, India
| | - Kshipra Vaidya
- Shanta Vaidya Memorial Foundation, Kothrud, Pune, Maharashtra, 411 038, India
| | - Vishal Midya
- National Brain Research Centre, Manesar, Haryana, 122 051, India
- Pennsylvania State University, State College, PA, USA
| | - Nitya Raman
- Lokmanya Tilak Municipal General Hospital and Medical College, Mumbai, Maharashtra, 400022, India
| | - Mona Gajre
- Lokmanya Tilak Municipal General Hospital and Medical College, Mumbai, Maharashtra, 400022, India
| | - Nandini Chatterjee Singh
- National Brain Research Centre, Manesar, Haryana, 122 051, India.
- UNESCO MGIEP (Mahatma Gandhi Institute of Education for Peace and Sustainable Development), New Delhi, India.
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16
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Ueda R, Kaga Y, Kita Y, Nakagawa E, Okada T, Inagaki M. Clinical profile of reading ability and reading and writing achievement of children with borderline full-scale intellectual quotient: a prospective study. BMC Pediatr 2021; 21:389. [PMID: 34493252 PMCID: PMC8422711 DOI: 10.1186/s12887-021-02865-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 08/28/2021] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Poor reading ability is one of the common causes of low academic performance. In previous studies, children with dyslexia were found to demonstrate poor academic achievement due to poor reading ability. However, the relationship between academic achievement and reading ability in children with a borderline full-scale intellectual quotient (FSIQ) is unknown. This study aimed to clarify the clinical characteristics of children with borderline FSIQ and poor reading ability, and differentiate these characteristics from those of children with higher FSIQ and poor reading ability. METHODS A total of 126 children (aged 6-15 years) identified as having low academic performance were enrolled. The reading ability of children was assessed through their performance on the hiragana (Japanese syllabary) reading task, while their reading and writing achievement was assessed through their reading and writing score on the Kaufman Assessment Battery for Children, Second Edition. Children were categorized into two groups based on their FSIQ score (FSIQ > 85 and 85 ≥ FSIQ ≥ 70). Reading ability in children was evaluated by referring to the linear relationship between FSIQ and the standard deviation value of reading tasks in typically developing children. A one-way analysis of variance (ANOVA) was performed to examine clinical characteristics between higher and lower FSIQ groups. Associations between reading and writing achievement, reading ability, and ages of children were assessed using Pearson's product-moment correlation coefficients for the higher and lower FSIQ groups. RESULTS Poorer reading and writing achievement was associated with poorer reading ability in the higher FSIQ group. Conversely, poorer reading and writing achievement and poor reading ability were associated with older age in the lower FSIQ group. CONCLUSIONS Poor reading and writing achievement were associated with older age, not with poor reading ability in the lower FSIQ group. Children with lower FSIQ need appropriate educational interventions based on independent assessments to further their academic achievement and reading ability. Moreover, they need more frequent evaluations of their academic achievement than do children with higher FSIQ and poor reading ability since they are more likely to be at a lower academic achievement level at an older age.
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Affiliation(s)
- Riyo Ueda
- Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4-1-1 Ogawahigashi-Cho, Kodaira, 187-8553 Tokyo, Japan
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, 4-1-1 Ogawahigashi-Cho, Kodaira, 187-8551 Tokyo, Japan
| | - Yoshimi Kaga
- Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4-1-1 Ogawahigashi-Cho, Kodaira, 187-8553 Tokyo, Japan
- Department of Pediatrics, Faculty of Medicine, Yamanashi University, 1110, Shimokato, Chuo, Yamanashi Kofu, Japan
| | - Yosuke Kita
- Mori Arinori Center for Higher Education and Global Mobility, Hitotsubashi University, 2-1, Kunitachi, 186-8601 Tokyo, Japan
- Cognitive Brain Research Unit (CBRU), Faculty of Medicine, University of Helsinki, Haartmaninkatu 3, FI-00290 Helsinki, Finland
| | - Eiji Nakagawa
- Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry, 4-1-1 Ogawahigashi-Cho, Kodaira, 187-8551 Tokyo, Japan
| | - Takashi Okada
- Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4-1-1 Ogawahigashi-Cho, Kodaira, 187-8553 Tokyo, Japan
| | - Masumi Inagaki
- Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4-1-1 Ogawahigashi-Cho, Kodaira, 187-8553 Tokyo, Japan
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17
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Mazur-Palandre A, Quignard M, Witko A. Confronting Lexical Choice and Error Distribution in Written French: New Insights into the Linguistic Insecurity of Students with Dyslexia. Brain Sci 2021; 11:922. [PMID: 34356156 PMCID: PMC8303547 DOI: 10.3390/brainsci11070922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 07/06/2021] [Accepted: 07/06/2021] [Indexed: 11/16/2022] Open
Abstract
The main goal of this paper is to analyze written texts produced by monolingual French university students, with and without dyslexia. More specifically, we were interested in the linguistic characteristics of the words used during a written production and of the type of word errors. Previous studies showed that students with dyslexia have difficulties in written production, whether in terms of the number of spelling errors, some syntactic aspects, identification of errors, confusion of monosyllabic words, omissions of words in sentences, or utilization of unexpected or inappropriate vocabulary. For this present study, students with dyslexia and control students were asked to produce written and spoken narrative and expository texts. The written texts (N = 86) were collected using Eye and Pen© software with digitizing tablets. Results reveal that students with dyslexia do not censor themselves as regards the choice of words in their written productions. They use the same types of words as the control students. Nevertheless, they make many more errors than the control students on all types of words, regardless of their linguistic characteristics (length, frequency, grammatical classes, etc.). Finally, these quantitative analyses help to target a rather unexpected subset of errors: short words, and in particular determiners and prepositions.
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Affiliation(s)
- Audrey Mazur-Palandre
- Laboratoire d’Excellence ASLAN & Laboratoire CNRS ICAR, University of Lyon, 69007 Lyon, France
| | | | - Agnès Witko
- Laboratoire CNRS DDL, 69007 Lyon, France;
- Institut des Sciences et Techniques de Réadaptation, Université Lyon 1, 69008 Lyon, France
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18
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Levlin M, Nakeva von Mentzer C. An evaluation of systematized phonics on reading proficiency in Swedish second grade poor readers: Effects on pseudoword and sight word reading skills. DYSLEXIA (CHICHESTER, ENGLAND) 2020; 26:427-441. [PMID: 32989836 PMCID: PMC7702055 DOI: 10.1002/dys.1669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 04/23/2020] [Accepted: 09/04/2020] [Indexed: 05/14/2023]
Abstract
The aim of the present study was to evaluate the effect of systematized phonics on word reading in Swedish second grade poor readers. Forty-nine children who performed at or below the 25th percentile on pseudoword reading and/or sight word reading at the beginning of second grade participated in the study. The study had a cross-over design exploring within-and between-group effects of two different conditions: systematized phonics and classroom instruction. Overall, systematized phonics proved more effective than classroom instruction. At pre-intervention, no child performed above the 30th percentile in pseudoword reading or sight word reading. At post-intervention, corresponding numbers were 69% for pseudoword reading and 35% for sight word reading. Implications for a policy change in Sweden towards mandatory systematized phonics in primary school are discussed.
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Affiliation(s)
- Maria Levlin
- Department of Language StudiesUmeå UniversityUmeåSweden
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19
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Lee JAC, Lee S, Yusoff NFM, Ong PH, Nordin ZS, Winskel H. An Early Reading Assessment Battery for Multilingual Learners in Malaysia. Front Psychol 2020; 11:1700. [PMID: 32754104 PMCID: PMC7365852 DOI: 10.3389/fpsyg.2020.01700] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 06/22/2020] [Indexed: 12/02/2022] Open
Abstract
The aim of the study was to develop a new comprehensive reading assessment battery for multi-ethnic and multilingual learners in Malaysia. Using this assessment battery, we examined the reliability, validity, and dimensionality of the factors associated with reading difficulties/disabilities in the Malay language, a highly transparent alphabetic orthography. In order to further evaluate the reading assessment battery, we compared results from the assessment battery with those obtained from the Malaysian national screening instrument. In the study, 866 Grade 1 children from multi-ethnic and multilingual backgrounds from 11 government primary schools participated. The reading assessment battery comprised 13 assessments, namely, reading comprehension, spelling, listening comprehension, letter name knowledge, letter name fluency, rapid automatized naming, word reading accuracy, word reading efficiency, oral reading fluency, expressive vocabulary, receptive vocabulary, elision, and phonological memory. High reliability and validity were found for the assessments. An exploratory factor analysis yielded three main constructs: phonological-decoding, sublexical-fluency, and vocabulary-memory. Phonological-decoding was found to be the most reliable construct that distinguished between at-risk and non-at-risk children. Identifying these underlying factors will be useful for detecting children at-risk for developing reading difficulties in the Malay language. In addition, these results highlight the importance of including a range of reading and reading-related measures for the early diagnosis of reading difficulties in this highly transparent orthography.
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Affiliation(s)
- Julia A C Lee
- Faculty of Cognitive Sciences and Human Development, Universiti Malaysia Sarawak, Kota Samarahan, Malaysia
| | - Seungjin Lee
- Department of Education, Sehan University, Yeongam, South Korea
| | - Nur Fatihah Mat Yusoff
- Faculty of Cognitive Sciences and Human Development, Universiti Malaysia Sarawak, Kota Samarahan, Malaysia
| | | | | | - Heather Winskel
- School of Health and Human Sciences, Southern Cross University, Lismore, NSW, Australia
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20
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Guan CQ, Fraundorf SH, Perfetti CA. Character and child factors contribute to character recognition development among good and poor Chinese readers from grade 1 to 6. ANNALS OF DYSLEXIA 2020; 70:220-242. [PMID: 32100257 DOI: 10.1007/s11881-020-00191-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 02/14/2020] [Indexed: 06/10/2023]
Abstract
In light of the dramatic growth of Chinese learners worldwide and a need for a cross-linguistic research on Chinese literacy development, this study investigated (a) the effects of character properties (i.e., orthographic consistency and transparency) on character acquisition, and (b) the effects of individual learner differences (i.e., orthographic awareness and phonological awareness) on character recognition. Chinese native-speaking children (over N = 100 for each of grade 1 to 6) completed a lexical decision task. Crossed random effects models suggested (a) character-level orthographic and phonological effects contributed to character recognition development in an asymptotic way from grade 1 to 6, with a moderate effect at earlier ages of acquisition and a stronger facilitation after grade 3; (b) child-level effects of orthographic awareness and character-reading level contributed to all types of characters; (c) the interaction between orthographic consistency and orthographic awareness grew more pronounced among typically developing children progressively from grade 1 to grade 6; and (d) this interaction of character- and child-level factors was not significantly associated with literacy development among children with poor reading skills. We discuss theoretical and practical implications for character development among typically and nontypically developing children.
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Affiliation(s)
- Connie Qun Guan
- Beijing Language and Culture University, Beijing, China.
- University of Science and Technology, Beijing, China.
- Carnegie Mellon University, Pittsburgh, PA, USA.
| | - Scott H Fraundorf
- Learning Research and Development Center and Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Charles A Perfetti
- Learning Research and Development Center and Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA
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21
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Nguyen TQ, Pickren SE, Saha NM, Cutting LE. Executive functions and components of oral reading fluency through the lens of text complexity. READING AND WRITING 2020; 33:1037-1073. [PMID: 32831478 PMCID: PMC7437995 DOI: 10.1007/s11145-020-10020-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
As readers struggle to coordinate various reading- and language-related skills during oral reading fluency (ORF), miscues can emerge, especially when processing complex texts. Following a miscue, students often self-correct as a strategy to potentially restore ORF and online linguistic comprehension. Executive functions (EF) are hypothesized to play an interactive role during ORF. Yet, the role of EF in self-corrections while reading complex texts remains elusive. To this end, we evaluated the relation between students' probability of self-correcting miscues-or P(SC)-and their EF profile in a cohort of 143 participants (aged 9-15) who represented a diverse spectrum of reading abilities. Moreover, we used experimentally-manipulated passages (decoding, vocabulary, syntax, and cohesion) and employed a fully cross-classified mixed-effects multilevel regression strategy to evaluate the interplay between components of ORF, EF, and text complexity. Our results revealed that, after controlling for reading and language abilities, increased production of miscues across different passage conditions was explained by worse EF. We also found that students with better EF exhibited greater P(SC) when reading complex texts. While text complexity taxes students' EF and influences their production of miscues, findings suggest that EF may be interactively recruited to restore ORF via self-correcting oral reading errors. Overall, our results suggest that domain-general processes (e.g., EF) are associated with production of miscues and may underlie students' behavior of self-corrections, especially when reading complex texts. Further understanding of the relation between different components of ORF and cognitive processes may inform intervention strategies to improve reading proficiency and overall academic performance.
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Affiliation(s)
- Tin Q. Nguyen
- Vanderbilt University, 1400 18th Avenue South, Nashville, TN 37203, USA
| | - Sage E. Pickren
- Vanderbilt University, 1400 18th Avenue South, Nashville, TN 37203, USA
| | - Neena M. Saha
- Vanderbilt University, 1400 18th Avenue South, Nashville, TN 37203, USA
| | - Laurie E. Cutting
- Vanderbilt University, 1400 18th Avenue South, Nashville, TN 37203, USA
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22
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Cummine J, Villarena M, Onysyk T, Devlin JT. A Study of Null Effects for the Use of Transcranial Direct Current Stimulation (tDCS) in Adults With and Without Reading Impairment. NEUROBIOLOGY OF LANGUAGE (CAMBRIDGE, MASS.) 2020; 1:434-451. [PMID: 36793290 PMCID: PMC9923690 DOI: 10.1162/nol_a_00020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 07/19/2020] [Indexed: 05/09/2023]
Abstract
UNLABELLED There is evidence to support the hypothesis that the delivery of anodal transcranial direct current stimulation (tDCS) to the left temporoparietal junction can enhance performance on reading speed and reading accuracy (Costanzo et al., 2016b; Heth & Lavidor, 2015). Here, we explored whether we could demonstrate similar effects in adults with and without reading impairments. METHOD Adults with (N = 33) and without (N = 29) reading impairment were randomly assigned to anodal or sham stimulation conditions. All individuals underwent a battery of reading assessments pre and post stimulation. The stimulation session involved 15 min of anodal/sham stimulation over the left temporoparietal junction while concurrently completing a computerized nonword segmentation task known to activate the temporoparietal junction. RESULTS There were no conclusive findings that anodal stimulation impacted reading performance for skilled or impaired readers. CONCLUSIONS While tDCS may provide useful gains on reading performance in the paediatric population, much more work is needed to establish the parameters under which such findings would transfer to adult populations. The documentation, reporting, and interpreting of null effects of tDCS are immensely important to a field that is growing exponentially with much uncertainty.
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Affiliation(s)
| | - Miya Villarena
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Canada
| | - Taylor Onysyk
- Communication Sciences and Disorders, University of Alberta, Edmonton, Canada
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23
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Protopapas A. Evolving Concepts of Dyslexia and Their Implications for Research and Remediation. Front Psychol 2019; 10:2873. [PMID: 31920890 PMCID: PMC6930188 DOI: 10.3389/fpsyg.2019.02873] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 12/04/2019] [Indexed: 11/13/2022] Open
Abstract
Aspects of dyslexia definitions are framed as a contrast between the past and the future, focusing on implications for research and remedial education, highlighting assumptions that bias or limit research or clinical practice. A crucial development is evident in understanding dyslexia, moving from its conceptualization as a discrete identifiable condition toward the realization of continuity with the general population with no clear boundaries and no qualitative differences. This conceptual evolution amounts to a transition from considering dyslexia to be some entity that causes poor reading toward considering the term dyslexia to simply label poor reading performance. This renders obsolete any searches for abnormalities and directs efforts toward understanding reading skill as a multifaceted domain following a complex multifactorial developmental course.
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24
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O'Sullivan D, Hammond S. Dyslexia Augusti: Does Suetonius describe a pattern of signs consistent with dyslexia? DYSLEXIA (CHICHESTER, ENGLAND) 2019; 25:335-344. [PMID: 31464353 DOI: 10.1002/dys.1633] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 07/16/2019] [Accepted: 08/06/2019] [Indexed: 06/10/2023]
Abstract
It is generally agreed that Morgan was the first to reliably describe dyslexia with the case of Percy F. However, Suetonius, in "The lives of the twelve Caesars" describes the Emperor Augustus as having a range of language and literacy difficulties that could be consistent with this diagnosis. Using the framework of cognitive psychology, which rarely comments on the historical record, this article argues that Suetonius describes both signs and compensating strategies typical of an adult with remediated developmental dyslexia. If accepted, this analysis would locate a possible coherent description of the condition back to the second century CE.
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Affiliation(s)
- David O'Sullivan
- School of Applied Psychology, University College Cork, Cork, Ireland
| | - Sean Hammond
- School of Applied Psychology, University College Cork, Cork, Ireland
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25
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Wass M, Anmyr L, Lyxell B, Östlund E, Karltorp E, Löfkvist U. Predictors of Reading Comprehension in Children With Cochlear Implants. Front Psychol 2019; 10:2155. [PMID: 31607988 PMCID: PMC6769823 DOI: 10.3389/fpsyg.2019.02155] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 09/06/2019] [Indexed: 11/24/2022] Open
Abstract
Children with a profound hearing loss who have been implanted with cochlear implants (CI), vary in terms of their language and reading skills. Some of these children have strong language skills and are proficient readers whereas others struggle with language and both the decoding and comprehension aspects of reading. Reading comprehension is dependent on a number of skills where decoding, spoken language comprehension and receptive vocabulary have been found to be the strongest predictors of performance. Children with CI have generally been found to perform more poorly than typically hearing peers on most predictors of reading comprehension including word decoding, vocabulary and spoken language comprehension, as well as working memory. The purpose of the current study was to investigate the relationships between reading comprehension and a number of predictor variables in a sample of twenty-nine 11–12-year-old children with profound hearing loss, fitted with CI. We were particularly interested in the extent to which reading comprehension in children with CI at this age is dependent on decoding and receptive vocabulary. The predictor variables that we set out to study were word decoding, receptive vocabulary, phonological skills, and working memory. A second purpose was to explore the relationships between reading comprehension and demographic factors, i.e., parental education, speech perception and age of implantation. The results from these 29 children indicate that receptive vocabulary is the most influential predictor of reading comprehension in this group of children although phonological decoding is, of course, fundamental.
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Affiliation(s)
- Malin Wass
- Department of Business Administration, Technology and Social Sciences, Luleå University of Technology, Luleå, Sweden
| | - Lena Anmyr
- Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden.,Department of Social Work in Health, Karolinska University Hospital, Stockholm, Sweden
| | - Björn Lyxell
- Department of Special Needs Education, University of Oslo, Oslo, Norway.,Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden
| | - Elisabet Östlund
- Department of Otorhinolaryngology, Karolinska University Hospital, Stockholm, Sweden
| | - Eva Karltorp
- Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden.,Department of Otorhinolaryngology, Karolinska University Hospital, Stockholm, Sweden
| | - Ulrika Löfkvist
- Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden.,Department of Special Needs Education, University of Oslo, Oslo, Norway
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26
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Lindeblad E, Nilsson S, Gustafson S, Svensson I. Self-concepts and psychological health in children and adolescents with reading difficulties and the impact of assistive technology to compensate and facilitate reading ability. COGENT PSYCHOLOGY 2019. [DOI: 10.1080/23311908.2019.1647601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Affiliation(s)
- Emma Lindeblad
- Department of Psychology, Linnaeus University, Växjö, Sweden
| | | | | | - Idor Svensson
- Department of Psychology, Linnaeus University, Växjö, Sweden
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27
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Cho E, Capin P, Roberts G, Roberts GJ, Vaughn S. Examining Sources and Mechanisms of Reading Comprehension Difficulties: Comparing English Learners and Non-English Learners within the Simple View of Reading. JOURNAL OF EDUCATIONAL PSYCHOLOGY 2019; 111:982-1000. [PMID: 31435078 PMCID: PMC6703840 DOI: 10.1037/edu0000332] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
In the present study, we compared the extent to which linguistic comprehension (vocabulary and listening comprehension) and word reading explain reading comprehension differentially for English learners (ELs) and non-ELs with reading difficulties, and we investigated whether different mechanisms of reading comprehension failure exist for each group. Using the simple view of reading as our framework, we tested a model in which vocabulary exerts a direct effect on reading comprehension and indirect effects through listening comprehension and word reading. Results from a multigroup structural equation model with a sample of 446 struggling fourth-grade readers (n = 229 for ELs; n = 211 for non-ELs) demonstrated both similarities and differences in the sources and mechanisms of reading comprehension difficulties for ELs and non-ELs with reading problems. Word reading was an important source of reading comprehension difficulty for both groups. For non-ELs, the effect of word reading was larger than the effects of linguistic comprehension (vocabulary and listening comprehension combined); however, for ELs, the effects of linguistic comprehension were greater than the effect of word reading. Vocabulary had indirect effects via both listening comprehension and word reading for ELs, but it demonstrated a direct effect on reading comprehension for non-ELs. These results suggest that developing a range of linguistic comprehension skills (e.g., word-level and sentence-level language skills) may be important for ELs with reading comprehension difficulties in the upper-elementary grades.
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Affiliation(s)
- Eunsoo Cho
- Michigan State University, 620 Farm Lane, East Lansing, MI 48824,
| | - Philip Capin
- The Meadows Center for Preventing Educational, Risk University of Texas at Austin, 1912 Speedway D4900, Austin, TX 78712,
| | - Greg Roberts
- The Meadows Center for Preventing Educational, Risk University of Texas at Austin, 1912 Speedway D4900, Austin, TX 78712,
| | | | - Sharon Vaughn
- The Meadows Center for Preventing Educational, Risk University of Texas at Austin, 1912 Speedway D4900, Austin, TX 78712,
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Giannouli V, Banou M. The intelligibility and comprehension of synthetic versus natural speech in dyslexic students. Disabil Rehabil Assist Technol 2019; 15:898-907. [PMID: 31339391 DOI: 10.1080/17483107.2019.1629111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Introduction-Purpose: Despite the growing amount of data on the 'synthetic speech perception' by people with no disabilities, there has been limited research on the intelligibility and comprehension of synthetic speech systems by dyslexics. This study investigated the intelligibility and comprehension of synthetic versus natural speech in Greek dyslexic students.Method: Forty three dyslexic students were presented with various acoustic stimuli (words, sentences, texts) both in synthetic and natural speech.Results: The data analysis has shown that dyslexic students had identified better words and sentences presented in natural than in synthetic speech. In regards to their levels of performance in text comprehension there was not any significant difference between synthetic and natural speech. Perhaps their observed difficulties in their word/ sentence intelligibility did not manage to restrain their levels of text comprehensibility. It seemed as if the context cues provided by the text each time had assisted dyslexics in comprehending the text more effectively no matter the speech condition used (natural versus synthetic one).Conclusion: Given that the overall purpose of reading is comprehension it is suggested that the text to speech systems could be used after all by the dyslexics as support as scaffolds for the intended purpose of reading comprehension.Implications for rehabilitation This research constitutes a trial to investigate the possibility of text-to-speech technology to serve as an educational aid for students with reading deficits helping them to master reading tasks that they may not have been able to do on their own. Students with reading disabilities need to be more successful in the reading process and managing at the same time to decrease the achievement gap that exists between them and those without disabilities. This work suggests that:• Text-to-speech technology needs further development and improvement to provide a closer to natural speech output in order to be a valuable educational aid for students with dyslexia.• Although there is a deviation, especially, in intelligibility between synthetic and natural speech that kind of assistive technology could provide a useful educational aid for those students that reading tasks appear to be a cumbersome process.• Natural and synthetic speech in combination and in discriminating use (for instance, natural speech in word tasks and synthetic in contextual tasks i.e., reading texts) could be integral tools to numerous educational settings and rehabilitation bodies.
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Affiliation(s)
- Vicky Giannouli
- Department of Special Education & Lifelong Learning, Faculty of Social, Humanities and Arts, School of Social Sciences Humanities and Arts, University of Macedonia, Thessaloniki, Greece
| | - Marianna Banou
- Department of Special Education & Lifelong Learning, Faculty of Social, Humanities and Arts, School of Social Sciences Humanities and Arts, University of Macedonia, Thessaloniki, Greece
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Adlof SM, Hogan TP. Understanding Dyslexia in the Context of Developmental Language Disorders. Lang Speech Hear Serv Sch 2019; 49:762-773. [PMID: 30458538 PMCID: PMC6430503 DOI: 10.1044/2018_lshss-dyslc-18-0049] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 07/15/2018] [Indexed: 11/29/2022] Open
Abstract
Purpose The purpose of this tutorial is to discuss the language basis of dyslexia in the context of developmental language disorders (DLDs). Whereas most studies have focused on the phonological skills of children with dyslexia, we bring attention to broader language skills. Method We conducted a focused literature review on the language basis of dyslexia from historical and theoretical perspectives with a special emphasis on the relation between dyslexia and DLD and on the development of broader language skills (e.g., vocabulary, syntax, and discourse) before and after the identification of dyslexia. Results We present clinically relevant information on the history of dyslexia as a language-based disorder, the operational definitions used to diagnose dyslexia in research and practice, the relation between dyslexia and DLD, and the language abilities of children with dyslexia. Conclusions We discuss 3 clinical implications for working with children with dyslexia in school settings: (a) Children with dyslexia—with and without comorbid DLDs—often have language deficits outside the phonological domain; (b) intervention should target a child's strengths and weaknesses relative to reading outcomes, regardless of diagnostic labels; and (c) those who have dyslexia, regardless of language abilities at the time of diagnosis, may be at risk for slower language acquisition across their lifetime. Longitudinal studies are needed to assess multiple language skills early, at the time of the diagnosis of dyslexia, and years later to better understand the complex development of language and reading in children with dyslexia.
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Colé P, Cavalli E, Duncan LG, Theurel A, Gentaz E, Sprenger-Charolles L, El-Ahmadi A. What Is the Influence of Morphological Knowledge in the Early Stages of Reading Acquisition Among Low SES Children? A Graphical Modeling Approach. Front Psychol 2018; 9:547. [PMID: 29725313 PMCID: PMC5917267 DOI: 10.3389/fpsyg.2018.00547] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 03/30/2018] [Indexed: 11/13/2022] Open
Abstract
Children from low-SES families are known to show delays in aspects of language development which underpin reading acquisition such as vocabulary and listening comprehension. Research on the development of morphological skills in this group is scarce, and no studies exist in French. The present study investigated the involvement of morphological knowledge in the very early stages of reading acquisition (decoding), before reading comprehension can be reliably assessed. We assessed listening comprehension, receptive vocabulary, phoneme awareness, morphological awareness as well as decoding, word reading and non-verbal IQ in 703 French first-graders from low-SES families after 3 months of formal schooling (November). Awareness of derivational morphology was assessed using three oral tasks: Relationship Judgment (e.g., do these words belong to the same family or not? heat-heater … ham-hammer); Lexical Sentence Completion [e.g., Someone who runs is a …? (runner)]; and Non-lexical Sentence Completion [e.g., Someone who lums is a…? (lummer)]. The tasks differ on implicit/explicit demands and also tap different kinds of morphological knowledge. The Judgement task measures the phonological and semantic properties of the morphological relationship and the Sentence Completion tasks measure knowledge of morphological production rules. Data were processed using a graphical modeling approach which offers key information about how skills known to be involved in learning to read are organized in memory. This modeling approach was therefore useful in revealing a potential network which expresses the conditional dependence structure between skills, after which recursive structural equation modeling was applied to test specific hypotheses. Six main conclusions can be drawn from these analyses about low SES reading acquisition: (1) listening comprehension is at the heart of the reading acquisition process; (2) word reading depends directly on phonemic awareness and indirectly on listening comprehension; (3) decoding depends on word reading; (4) Morphological awareness and vocabulary have an indirect influence on word reading via both listening comprehension and phoneme awareness; (5) the components of morphological awareness assessed by our tasks have independent relationships with listening comprehension; and (6) neither phonemic nor morphological awareness influence vocabulary directly. The implications of these results with regard to early reading acquisition among low SES groups are discussed.
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Affiliation(s)
- Pascale Colé
- Laboratoire de Psychologie Cognitive (UMR Centre National de la Recherche Scientifique 7290), Aix-Marseille Université, Marseille, France
| | - Eddy Cavalli
- Laboratoire d'Etude des Mécanismes Cognitifs (EA 3082), Université Lyon 2, Lyon, France
| | - Lynne G Duncan
- Psychology, University of Dundee, Dundee, United Kingdom
| | - Anne Theurel
- Laboratoire du Développement Sensori-Moteur, Affectif et Social (SMAS), University of Geneva, Geneva, Switzerland
| | - Edouard Gentaz
- Laboratoire du Développement Sensori-Moteur, Affectif et Social (SMAS), University of Geneva, Geneva, Switzerland
| | - Liliane Sprenger-Charolles
- Laboratoire de Psychologie Cognitive (UMR Centre National de la Recherche Scientifique 7290), Aix-Marseille Université, Marseille, France
| | - Abdessadek El-Ahmadi
- Laboratoire de Neurosciences Sensorielles et Cognitives (UMR Centre National de la Recherche Scientifique 7260), Aix-Marseille Université, Marseille, France
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Inácio F, Faísca L, Forkstam C, Araújo S, Bramão I, Reis A, Petersson KM. Implicit sequence learning is preserved in dyslexic children. ANNALS OF DYSLEXIA 2018; 68:1-14. [PMID: 29616459 DOI: 10.1007/s11881-018-0158-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 03/19/2018] [Indexed: 06/08/2023]
Abstract
This study investigates the implicit sequence learning abilities of dyslexic children using an artificial grammar learning task with an extended exposure period. Twenty children with developmental dyslexia participated in the study and were matched with two control groups-one matched for age and other for reading skills. During 3 days, all participants performed an acquisition task, where they were exposed to colored geometrical forms sequences with an underlying grammatical structure. On the last day, after the acquisition task, participants were tested in a grammaticality classification task. Implicit sequence learning was present in dyslexic children, as well as in both control groups, and no differences between groups were observed. These results suggest that implicit learning deficits per se cannot explain the characteristic reading difficulties of the dyslexics.
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Affiliation(s)
- Filomena Inácio
- Cognitive Neuroscience Research Group, Center for Biomedical Research (CBMR), University of Algarve, Faro, Portugal.
| | - Luís Faísca
- Cognitive Neuroscience Research Group, Center for Biomedical Research (CBMR), University of Algarve, Faro, Portugal
| | - Christian Forkstam
- Cognitive Neuroscience Research Group, Center for Biomedical Research (CBMR), University of Algarve, Faro, Portugal
| | - Susana Araújo
- Faculdade de Psicologia and Center for Psychological Research, Universidade de Lisboa, Lisbon, Portugal
| | - Inês Bramão
- Cognitive Neuroscience Research Group, Center for Biomedical Research (CBMR), University of Algarve, Faro, Portugal
- Department of Psychology, Lund University, Lund, Sweden
| | - Alexandra Reis
- Cognitive Neuroscience Research Group, Center for Biomedical Research (CBMR), University of Algarve, Faro, Portugal
| | - Karl Magnus Petersson
- Cognitive Neuroscience Research Group, Center for Biomedical Research (CBMR), University of Algarve, Faro, Portugal
- Max Planck Institute for Psycholinguistics, Nijmegen, The Netherlands
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Abstract
Purpose of Review Developmental dyslexia is characterized by an impaired acquisition of fluent and skilled reading ability. Numerous studies have explored the neural correlates of this neurodevelopmental disorder, with most classic accounts strongly focussing on left temporoparietal regions. We will review recent findings from structural and functional MRI studies that suggest a more important role of occipitotemporal cortex abnormalities in dyslexia. Recent Findings Recent findings highlight the role of the occipitotemporal cortex which exhibits functional as well as structural abnormalities in dyslexic readers and in children at risk for dyslexia and suggest a more central role for the occipitotemporal cortex in the pathophysiology of dyslexia. Summary We demonstrate the importance of the occipitotemporal cortex in for understanding impaired reading acquisition and point out how future research might enhance our understanding of functional and structural impairments in the reading network via large-scale data analysis approaches.
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Parrila RK, Protopapas A. Dyslexia and word reading problems. STUDIES IN WRITTEN LANGUAGE AND LITERACY 2017. [DOI: 10.1075/swll.15.19par] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Echegaray-Bengoa J, Soriano-Ferrer M, Joshi RM. Knowledge and Beliefs About Developmental Dyslexia: A Comparison Between Pre-Service and In-Service Peruvian Teachers. ACTA ACUST UNITED AC 2017. [DOI: 10.1177/1538192717697591] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The purpose of this study was to investigate the knowledge, misconceptions, and knowledge gaps of Peruvian pre-service teachers (PSTs) and in-service teachers (ISTs). To do so, 112 PSTs and 113 ISTs completed the Knowledge and Beliefs About Developmental Dyslexia Scale (KBDDS). Results show that ISTs scored significantly higher than PSTs. Moreover, misconceptions and lack of information were higher in PSTs. The most noteworthy misconceptions were that dyslexia is due to poor visual perception and that letter or word reversals are the most important criterion in the identification of dyslexia. Age, years of teaching experience, prior exposure to a child with dyslexia, and self-efficacy were positively correlated with knowledge about dyslexia in ISTs.
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MacCullagh L, Bosanquet A, Badcock NA. University Students with Dyslexia: A Qualitative Exploratory Study of Learning Practices, Challenges and Strategies. DYSLEXIA (CHICHESTER, ENGLAND) 2017; 23:3-23. [PMID: 27892659 DOI: 10.1002/dys.1544] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2015] [Revised: 10/13/2016] [Accepted: 10/21/2016] [Indexed: 06/06/2023]
Abstract
People with dyslexia are vastly under-represented in universities (Katusic et al., , Richardson & Wydell, ; Stampoltzis & Polychronopoulou, ). This situation is of concern for modern societies that value social justice. This study was designed to explore learning experiences of university students with dyslexia and factors that could contribute to their success. Thirteen students with dyslexia and 20 non-dyslexic peers were interviewed about their university learning experiences using a semi-structured qualitative approach. Students with dyslexia described engaging in learning activities intensively, frequently and strategically. They reported challenges and strengths relating to study skills, lectures, assessments, technology and support services. They also described helpful strategies including self-directed adaptive techniques, provisions from lecturers and assistance from the university. These findings suggest that students with dyslexia experience broad challenges at university, but helpful strategies may be available. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Lois MacCullagh
- School of Education, Faculty of Human Sciences, Macquarie University, Sydney, Australia
- ARC Centre of Excellence in Cognition and its Disorders, Department of Cognitive Science, Macquarie University, Sydney, Australia
| | - Agnes Bosanquet
- School of Education, Faculty of Human Sciences, Macquarie University, Sydney, Australia
| | - Nicholas A Badcock
- ARC Centre of Excellence in Cognition and its Disorders, Department of Cognitive Science, Macquarie University, Sydney, Australia
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Cuadro A, von Hagen A, Costa Ball D. Procedural differences in the calculation of the prevalence of reading difficulties in Spanish-speaking school children / Diferencias procedimentales en el cálculo de la prevalencia del retraso lector en escolares hispanoparlantes. STUDIES IN PSYCHOLOGY 2017. [DOI: 10.1080/02109395.2016.1268388] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Lindeblad E, Nilsson S, Gustafson S, Svensson I. Assistive technology as reading interventions for children with reading impairments with a one-year follow-up. Disabil Rehabil Assist Technol 2016; 12:713-724. [PMID: 27924656 DOI: 10.1080/17483107.2016.1253116] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
PURPOSE This pilot study investigated the possible transfer effect on reading ability in children with reading difficulties after a systematic intervention to train and compensate for reading deficiencies by using applications in smartphones and tablets. The effects of using assistive technology (AT) one year after the interventions were completely studied. School related motivation, independent learning and family relations were also considered. METHOD 35 pupils aged 10-12 years participated. They were assessed five times with reading tests. The participants, their parents and teachers were surveyed with questionnaires regarding their experience of using AT. The data from the assessments were analyzed with paired t-tests and Wilcoxon signed-rank tests. The data from the questionnaires were analyzed using content analysis. RESULTS The paper shows that using AT can create transfer effects on reading ability one year after the interventions were finished. This means that reading impaired children may develop at the same rate as non-impaired readers. Also, increased school motivation and an increase in independent learning and family effects have been shown. CONCLUSIONS This paper provides implications in how to facilitate reading impaired pupils' learning process and realizes the need to challenge the concept of reading to change to fit modern means of gaining information. Implications for rehabilitation Children with reading impairment could benefit from assistive technology in regards of their reading development process and increase their chances of not falling behind peers. Assistive technology as applications in smartphones and tablets may aid children with reading impairment to have an equal platform for learning in school as their peers without reading difficulties. Assistive technology could facilitate the information gaining process and subsequently increase motivation to learn and increase interest in reading activities. Assistive technology had wider effects on its users: stigmatizing situations when leaving the classroom for special education were avoided and positive effects on family life were noted.
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Affiliation(s)
- Emma Lindeblad
- a Department of Psychology , Linnaeus University , Växjö , Sweden
| | - Staffan Nilsson
- b Department of Mathematical Sciences , Chalmers Tekniska Högskola , Göteborg , Sweden
| | - Stefan Gustafson
- c Department of Behavioural Sciences and Learning, Education, Teaching and Learning , Linköping University , Linköping , Sweden
| | - Idor Svensson
- a Department of Psychology , Linnaeus University , Växjö , Sweden
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Gelbar NW, Bray M, Kehle TJ, Madaus JW, Makel C. Exploring the Nature of Compensation Strategies in Individuals With Dyslexia. CANADIAN JOURNAL OF SCHOOL PSYCHOLOGY 2016. [DOI: 10.1177/0829573516677187] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Some individuals with developmental dyslexia are able to acquire age-appropriate reading comprehension abilities by the time they reach postsecondary education. This study explored the role that study strategies have with secondary students with dyslexia in achieving age-appropriate reading comprehension skills. The findings of this study indicated that study strategies were not significant predictors of reading comprehension abilities, though cognitive ability was a robust predictor. Furthermore, oral reading fluency was not a significant predictor. These findings further support that as words become more complex, oral reading fluency may not be related to reading comprehension. Practical implications and suggestions for future directions in this area are discussed.
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Long GB, Fox RA, Jacewicz E. Dyslexia Limits the Ability to Categorize Talker Dialect. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2016; 59:900-914. [PMID: 27575597 PMCID: PMC5345562 DOI: 10.1044/2016_jslhr-s-15-0106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Revised: 07/21/2015] [Accepted: 01/08/2016] [Indexed: 06/06/2023]
Abstract
PURPOSE The purpose of this study was to determine whether the underlying phonological impairment in dyslexia is associated with a deficit in categorizing regional dialects. METHOD Twenty adults with dyslexia, 20 school-age children with dyslexia, and 40 corresponding control listeners with average reading ability listened to sentences produced by multiple talkers (both sexes) representing two dialects: Midland dialect in Ohio (same as listeners' dialect) and Southern dialect in Western North Carolina. Participants' responses were analyzed using signal detection theory. RESULTS Listeners with dyslexia were less sensitive to talker dialect than listeners with average reading ability. Children were less sensitive to dialect than adults. Under stimulus uncertainty, listeners with average reading ability were biased toward Ohio dialect, whereas listeners with dyslexia were unbiased in their responses. Talker sex interacted with sensitivity and bias differently for listeners with dyslexia than for listeners with average reading ability. The correlations between dialect sensitivity and phonological memory scores were strongest for adults with dyslexia. CONCLUSIONS The results imply that the phonological deficit in dyslexia arises from impaired access to intact phonological representations rather than from poorly specified representations. It can be presumed that the impeded access to implicit long-term memory representations for indexical (dialect) information is due to less efficient operations in working memory, including deficiencies in utilizing talker normalization processes.
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Alanazi MA, Alanazi SA, Osuagwu UL. Evaluation of visual stress symptoms in age-matched dyslexic, Meares-Irlen syndrome and normal adults. Int J Ophthalmol 2016; 9:617-24. [PMID: 27162739 DOI: 10.18240/ijo.2016.04.24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2015] [Accepted: 07/27/2015] [Indexed: 11/23/2022] Open
Abstract
AIM To examine the prevalence of dyslexia and Meares-Irlen syndrome (MIS) among female students and determine their level of visual stress in comparison with normal subjects. METHODS A random sample of 450 female medical students of King Saud University Riyadh (age range, 18-30y) responded to a wide range of questions designed to accomplish the aims of this study. The detailed questionnaire consisted of 54 questions with 12 questions enquiring on ocular history and demography of participants while 42 questions were on visual symptoms. Items were categorized into critical and non-critical questions (CQ and NCQ) and were rated on four point Likert scale. Based on the responses obtained, the subjects were grouped into normal (control), dyslexic with or without MIS (Group 1) and subjects with MIS only (Group 2). Responses were analysed as averages and mean scores were calculated and compared between groups using one way analysis of variance to evaluate total visual stress score (TVSS=NCQ+CQ), critical and non-critical visual stress scores. The relationship between categorical variables such as age, handedness and condition were assessed with Chi-square test. RESULTS The completion rate was 97.6% and majority of the respondents (92%) were normal readers, 2% dyslexic and 6% had MIS. They were age-matched. More than half of the participants had visited an eye care practitioner in the last 2y. About 13% were recommended eye exercises and one participant experienced pattern glare. Hand preference was not associated with any condition but Group 1 subjects (3/9, 33%) were significantly more likely to be diagnosed of lazy eye than Group 2 (2/27, 7%) and control (27/414, 7%) subjects. The mean±SD of TVSS responses were 63±14 and it was 44±9 for CQ and 19±5 for NCQ. Responses from all three variables were normally distributed but the CQ responses were on the average more positive (82%) in Group 2 and less positive (46%) in Group 1 than control. With NCQ, the responses were equally less positive in Group 1 and 2 than control. Group 2 subjects showed significantly higher TVSS (P=0.002), NCQ (P=0.006) and CQ (P=0.008) visual stress scores than control but no difference between Group 1 and control subjects, was observed for all scores (P>0.05, for all comparisons). CONCLUSION The prevalence of dyslexia and MIS among Saudi female students was 2% and 6%, respectively. Critical questions performed best for assessing visual stress symptoms in dyslexic and MIS subjects. Generally, students with MIS were more sensitive to visual stress than normal students but dyslexics were more likely to present with a lazy eye than MIS and normal readers.
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Affiliation(s)
- Mana A Alanazi
- Department of Optometry & Vision Science, King Saud University, Riyadh 11433, Saudi Arabia
| | - Saud A Alanazi
- Department of Optometry & Vision Science, King Saud University, Riyadh 11433, Saudi Arabia
| | - Uchechukwu L Osuagwu
- Ophthalmic and Visual Optics Laboratory Group, Institute of Health and Biomedical Innovation, Department of Optometry & Vision Sciences, Faculty of Health, Queensland University of Technology, Brisbane 4059, Queensland, Australia
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Soriano-Ferrer M, Echegaray-Bengoa J, Joshi RM. Knowledge and beliefs about developmental dyslexia in pre-service and in-service Spanish-speaking teachers. ANNALS OF DYSLEXIA 2016; 66:91-110. [PMID: 26276680 DOI: 10.1007/s11881-015-0111-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2015] [Accepted: 07/03/2015] [Indexed: 06/04/2023]
Abstract
The present study investigated knowledge, misconceptions, and lack of information about dyslexia among pre-service (PST) and in-service (IST) Spanish-speaking teachers in Spain and Peru. Two hundred and forty-six pre-service teachers and 267 in-service teachers completed the Knowledge and Beliefs about Developmental Dyslexia Scale (KBDDS). In-service teachers scored significantly higher on the total scale, and on the symptoms/diagnosis and general information subscales, than pre-service teachers. The percentages for misconceptions and lack of information ("do not know responses") were higher for PSTs than for ISTs on the general information subscale, the symptoms/diagnosis subscale, and the treatment subscale. Analyses of individual items were conducted to differentiate concepts that teachers did not know from misconceptions. In-service teacher self-efficacy, years of teaching experience, post-graduate training in dyslexia, and prior exposure to a child with dyslexia were positively related to knowledge about dyslexia. Implications for pre-service teacher training and professional development are discussed.
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Affiliation(s)
- Manuel Soriano-Ferrer
- Department of Developmental and Educational Psychology, University of Valencia, Avda. Blasco Ibañez, 21, 46010, Valencia, Spain.
| | - Joyce Echegaray-Bengoa
- Department of Developmental and Educational Psychology, University of Valencia, Avda. Blasco Ibañez, 21, 46010, Valencia, Spain
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Kim YSG. Direct and mediated effects of language and cognitive skills on comprehension of oral narrative texts (listening comprehension) for children. J Exp Child Psychol 2016; 141:101-20. [DOI: 10.1016/j.jecp.2015.08.003] [Citation(s) in RCA: 151] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Revised: 08/10/2015] [Accepted: 08/10/2015] [Indexed: 11/24/2022]
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Suggate SP. A Meta-Analysis of the Long-Term Effects of Phonemic Awareness, Phonics, Fluency, and Reading Comprehension Interventions. JOURNAL OF LEARNING DISABILITIES 2016; 49:77-96. [PMID: 24704662 DOI: 10.1177/0022219414528540] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Much is known about short-term--but very little about the long-term--effects of reading interventions. To rectify this, a detailed analysis of follow-up effects as a function of intervention, sample, and methodological variables was conducted. A total of 71 intervention-control groups were selected (N = 8,161 at posttest) from studies reporting posttest and follow-up data (M = 11.17 months) for previously established reading interventions. The posttest effect sizes indicated effects (dw = 0.37) that decreased to follow-up (dw = 0.22). Overall, comprehension and phonemic awareness interventions showed good maintenance of effect that transferred to nontargeted skills, whereas phonics and fluency interventions, and those for preschool and kindergarten children, tended not to. Several methodological features also related to effect sizes at follow-up, namely experimental design and dosage, and sample attrition, risk status, and gender balance.
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Einarsdottir E, Svensson I, Darki F, Peyrard-Janvid M, Lindvall JM, Ameur A, Jacobsson C, Klingberg T, Kere J, Matsson H. Mutation in CEP63 co-segregating with developmental dyslexia in a Swedish family. Hum Genet 2015; 134:1239-48. [PMID: 26400686 PMCID: PMC4628622 DOI: 10.1007/s00439-015-1602-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Accepted: 09/15/2015] [Indexed: 01/17/2023]
Abstract
Developmental dyslexia is the most common learning disorder in children. Problems in reading and writing are likely due to a complex interaction of genetic and environmental factors, resulting in reduced power of studies of the genetic factors underlying developmental dyslexia. Our approach in the current study was to perform exome sequencing of affected and unaffected individuals within an extended pedigree with a familial form of developmental dyslexia. We identified a two-base mutation, causing a p.R229L amino acid substitution in the centrosomal protein 63 kDa (CEP63), co-segregating with developmental dyslexia in this pedigree. This mutation is novel, and predicted to be highly damaging for the function of the protein. 3D modelling suggested a distinct conformational change caused by the mutation. CEP63 is localised to the centrosome in eukaryotic cells and is required for maintaining normal centriole duplication and control of cell cycle progression. We found that a common polymorphism in the CEP63 gene had a significant association with brain white matter volume. The brain regions were partly overlapping with the previously reported region influenced by polymorphisms in the dyslexia susceptibility genes DYX1C1 and KIAA0319. We hypothesise that CEP63 is particularly important for brain development and might control the proliferation and migration of cells when those two events need to be highly coordinated.
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Affiliation(s)
- Elisabet Einarsdottir
- Department of Biosciences and Nutrition, and Center for Innovative Medicine, Karolinska Institutet, Huddinge, Sweden.
| | - Idor Svensson
- Department of Psychology, Linneaus University, Växjö, Sweden
| | - Fahimeh Darki
- Department of Neuroscience, Karolinska Institutet, Solna, Sweden
| | - Myriam Peyrard-Janvid
- Department of Biosciences and Nutrition, and Center for Innovative Medicine, Karolinska Institutet, Huddinge, Sweden
| | - Jessica M Lindvall
- Department of Biosciences and Nutrition, and Center for Innovative Medicine, Karolinska Institutet, Huddinge, Sweden.,Bioinformatics Infrastructure for Life Sciences (BILS), Stockholm University, Stockholm, Sweden.,Science for Life Laboratory, Stockholm University, Stockholm, Sweden.,Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
| | - Adam Ameur
- Uppsala Genome Center, Uppsala University, Uppsala, Sweden
| | | | - Torkel Klingberg
- Department of Neuroscience, Karolinska Institutet, Solna, Sweden
| | - Juha Kere
- Department of Biosciences and Nutrition, and Center for Innovative Medicine, Karolinska Institutet, Huddinge, Sweden.,Science for Life Laboratory, Stockholm University, Stockholm, Sweden.,Molecular Neurology Research Program, Research Programs Unit, University of Helsinki, Helsinki, Finland.,Folkhälsan Institute of Genetics, Helsinki, Finland
| | - Hans Matsson
- Department of Biosciences and Nutrition, and Center for Innovative Medicine, Karolinska Institutet, Huddinge, Sweden
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45
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Hakkarainen AM, Holopainen LK, Savolainen HK. A Five-Year Follow-Up on the Role of Educational Support in Preventing Dropout From Upper Secondary Education in Finland. JOURNAL OF LEARNING DISABILITIES 2015; 48:408-421. [PMID: 24150709 DOI: 10.1177/0022219413507603] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
In this longitudinal study, we investigated the role of word reading and mathematical difficulties measured in 9th grade as factors for receiving educational support for learning in upper secondary education in Grades 10 to 12 (from ages 16 to 19) and furthermore as predictors of dropout from upper secondary education within 5 years after compulsory education. In addition, we studied the role of school achievement in Grades 9 and 11 in this prediction. The participants of this study were members of one age group of 16-year-old ninth graders (N = 595, females 302, males 293) in a midsized Finnish city, who were followed for 5 years after completing compulsory education. The path model results, where the effects of gender, educational track, and SES were controlled, showed, first, that students with academic learning difficulties received educational support for learning particularly in the 11th grade. Second, academic learning difficulties directly affected school achievement in the 9th grade, but no longer in the 11th grade. Third, mathematical difficulties directly predicted dropout from upper secondary education, and difficulties in both word reading and mathematics had an indirect effect through school achievement in Grades 9 and 11 on dropout.
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46
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Early word decoding ability as a longitudinal predictor of academic performance. EUROPEAN JOURNAL OF PSYCHOLOGY OF EDUCATION 2015. [DOI: 10.1007/s10212-015-0258-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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47
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Kim YS. Language and cognitive predictors of text comprehension: evidence from multivariate analysis. Child Dev 2014; 86:128-44. [PMID: 25174258 DOI: 10.1111/cdev.12293] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Using data from children in South Korea (N = 145, Mage = 6.08), it was determined how low-level language and cognitive skills (vocabulary, syntactic knowledge, and working memory) and high-level cognitive skills (comprehension monitoring and theory of mind [ToM]) are related to listening comprehension and whether listening comprehension and word reading mediate the relations of language and cognitive skills to reading comprehension. Low-level skills predicted comprehension monitoring and ToM, which in turn predicted listening comprehension. Vocabulary and syntactic knowledge were also directly related to listening comprehension, whereas working memory was indirectly related via comprehension monitoring and ToM. Listening comprehension and word reading completely mediated the relations of language and cognitive skills to reading comprehension.
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48
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Predicting reading literacy and its improvement in the Polish national extension of the PISA study: The role of intelligence, trait- and state-anxiety, socio-economic status and school-type. LEARNING AND INDIVIDUAL DIFFERENCES 2014. [DOI: 10.1016/j.lindif.2014.04.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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49
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Zhou Y, McBride-Chang C, Law ABY, Li T, Cheung ACY, Wong AMY, Shu H. Development of reading-related skills in Chinese and English among Hong Kong Chinese children with and without dyslexia. J Exp Child Psychol 2014; 122:75-91. [PMID: 24530801 DOI: 10.1016/j.jecp.2013.12.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2012] [Revised: 12/12/2013] [Accepted: 12/16/2013] [Indexed: 11/29/2022]
Abstract
This 2-year longitudinal study sought to identify a developmental pattern of Chinese and English reading skills in children with and without dyslexia from 6 to 8years of age. Three groups of 15 children each-those with dyslexia, age-matched (AM) controls, and reading-matched (RM) controls-participated. Dyslexia was diagnosed at 8years of age. All children were tested on phonological awareness, rapid automatized naming (RAN), morphological awareness, word reading, and vocabulary knowledge in both Chinese and English and also speed of processing skill. AM controls outperformed the group with dyslexia on all measures except for phonological awareness, English word reading, and vocabulary. However, those with dyslexia and AM controls developed at a similar rate across all reading-related skills from 6 to 8years of age. Compared with the RM controls, the group with dyslexia scored higher in phonological awareness, morphological awareness, and vocabulary knowledge in both Chinese and English and also in English word reading but scored similarly in RAN. Children with dyslexia, thus, manifested clear difficulties in Chinese vocabulary knowledge, morphological awareness, and RAN as well as general speed of processing, representing a developmental lag in cognitive skills. Among these, RAN deficits are likely to be the most severe deficits in Chinese children with dyslexia.
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Affiliation(s)
- Yanling Zhou
- Department of Early Childhood Education, Hong Kong Institute of Education, Tai Po, NT, Hong Kong Special Administrative Region.
| | - Catherine McBride-Chang
- Department of Psychology, The Chinese University of Hong Kong, Shatin, NT, Hong Kong Special Administrative Region
| | - Ada Bui-Yan Law
- Department of Psychology, The Chinese University of Hong Kong, Shatin, NT, Hong Kong Special Administrative Region
| | - Tong Li
- Department of Psychology, The Chinese University of Hong Kong, Shatin, NT, Hong Kong Special Administrative Region
| | - Amelie Cho-Yi Cheung
- Department of Psychology, The Chinese University of Hong Kong, Shatin, NT, Hong Kong Special Administrative Region
| | - Anita M-Y Wong
- Faculty of Education, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
| | - Hua Shu
- State Key Laboratory of Cognitive Neurosciences and Learning, Beijing Normal University, Beijing 100875, People's Republic of China
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50
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Washburn EK, Binks-Cantrell ES, Joshi RM. What do preservice teachers from the USA and the UK know about dyslexia? DYSLEXIA (CHICHESTER, ENGLAND) 2014; 20:1-18. [PMID: 23949838 DOI: 10.1002/dys.1459] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Revised: 06/07/2013] [Accepted: 06/24/2013] [Indexed: 05/25/2023]
Abstract
The purpose of the study was to examine the knowledge base of preservice teachers from the USA and the UK of dyslexia as a language-based learning disability. A survey (both US and UK versions) was constructed using current research-based understandings of dyslexia as a language-based learning disability. One hundred and one preservice teachers from the USA and 70 preservice teachers from the UK were administered the survey. Results indicated that participants in the two groups demonstrated some similar accurate knowledge about dyslexia as well as displaying some common misunderstandings about dyslexia. Recommendations concerning preservice teacher preparation and professional development for in-service teachers about dyslexia as well as future research directions are discussed.
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Affiliation(s)
- Erin K Washburn
- Graduate School of Education, Binghamton University, NY, USA
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