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Botana I, Peralbo M. Influence of socio-family variables on parental assessment of the pragmatic development of children under 4 years of age. Front Psychol 2024; 15:1369949. [PMID: 38873524 PMCID: PMC11169827 DOI: 10.3389/fpsyg.2024.1369949] [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: 01/13/2024] [Accepted: 05/14/2024] [Indexed: 06/15/2024] Open
Abstract
Introduction Interest in pragmatic development and its assessment has increased in recent years, not only because of the predictive value of pragmatic impairments as warning signs in the detection of multiple developmental disorders, but also because of the consideration that pragmatics has received in the field of mental disorders. Current contexts of child development assessment require pragmatic assessment instruments that accurately define profiles and take into account the immediate context in which they develop. Parents' knowledge of their children's abilities is supported by exhaustive observation over time of regularities in their behavior. But it is true that the way a caregiver interprets behavior is mediated by multiple variables. The aim of the present study, therefore, is to shed light on the possible influence of parental belief systems on the assessment of children's pragmatic development by analyzing the relationship between sociofamilial variables and the assessment of pragmatic competence. Method A total of 215 educational centers across Spain participated in the study. The final sample was of 262 parents of boys and girls between 6 and 48 months of age. The parental questionnaire for the evaluation of pragmatic development, The Pragmatics Profile, in an adapted Spanish version, was applied along with a number of items for the evaluation of parental beliefs. Results Analyses confirm the existence of an effect of child development conceptions and other socio-familial variables on the assessment of pragmatic development between 6 and 48 months of age. Furthermore, the results indicate that better scores on pragmatic development are associated with parents with higher socioeconomic and educational levels, greater number of children and more interactionist conceptions and realistic. Conclusion The effect of parental conceptions on the evaluation of pragmatics points to the need to obtain convergent measures in an area as complex as that of communicative development in early childhood, especially taking into account that an evaluation which is neutral and free from context is not possible or indeed desirable. Pragmatic development must be evaluated within this contextual framework and should take into account each of the variables present therein. Hence the complementarity between parental reports and performance-based test.
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Affiliation(s)
- Iria Botana
- Developmental Psychology Laboratory, Department of Psichology, University of La Coruña, A Coruña, Spain
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Byers-Heinlein K, Gonzalez-Barrero AM, Schott E, Killam H. Sometimes larger, sometimes smaller: Measuring vocabulary in monolingual and bilingual infants and toddlers. FIRST LANGUAGE 2024; 44:74-95. [PMID: 38283538 PMCID: PMC10810733 DOI: 10.1177/01427237231204167] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/30/2024]
Abstract
Vocabulary size is a crucial early indicator of language development, for both monolingual and bilingual children. Assessing vocabulary in bilingual children is complex because they learn words in two languages, and there remains significant controversy about how to best measure their vocabulary size, especially in relation to monolinguals. This study compared monolingual vocabulary with different metrics of bilingual vocabulary, including combining vocabulary across languages to count either the number of words or the number of concepts lexicalized and assessing vocabulary in a single language. Data were collected from parents of 743 infants and toddlers aged 8-33 months learning French and/or English, using the MacArthur-Bates Communicative Development Inventories. The results showed that the nature and magnitude of monolingual-bilingual differences depended on how bilinguals' vocabulary was measured. Compared with monolinguals, bilinguals had larger expressive and receptive word vocabularies, similarly sized receptive concept vocabularies and smaller expressive concept vocabularies. Bilinguals' single-language vocabularies were smaller than monolinguals' vocabularies. The study highlights the need to better understand the role of translation equivalents in bilingual vocabulary development and the potential developmental differences in receptive and expressive vocabularies.
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del Hoyo Soriano L, Villarreal J, Abbeduto L. Parental Survey on Spanish‑English Bilingualism in Neurotypical Development and Neurodevelopmental Disabilities in the United States. ADVANCES IN NEURODEVELOPMENTAL DISORDERS 2023; 7:591-603. [PMID: 37997573 PMCID: PMC10664973 DOI: 10.1007/s41252-023-00325-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/24/2023] [Indexed: 11/25/2023]
Abstract
Objectives The cognitive and social benefits of bilingualism for children, including those with neurodevelopmental disabilities (NDDs), have been documented. The present study was designed to characterize and compare English and Spanish use in Hispanic families with and without NDDs residing in the U.S. as well as to understand parental perceptions of their child's bilingualism and of community and professional support. Methods We conducted an online survey of 84 Spanish-speaking parents of 4- to 24-year-olds with (n = 44) and without NDDs (n = 40) who were born in and living in the U.S. Results We found that bilingualism was a desired goal for 95% of our families. We also found, however, that 17.1% of parents of children with NDDs have raised them as monolinguals English-speakers, as they thought there were reasons for that, while all families from the NT group raised their children in both languages. In addition, nearly 40% of the NDD children only speak English, compared to a 5% in the NT group. Finally, parents of children with NDDs cite a lack of support for bilingualism in the community (47.6% do not feel supported, compared to a 7.9% in the NT group) and recommendation from professionals as major factors for not raising their children as bilingual. Conclusions The results suggest a need to educate professionals from many disciplines about the benefits of bilingualism for children with NDDs and for implementation of inclusion policies that provide access to dual-language programs.
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Affiliation(s)
- Laura del Hoyo Soriano
- . MIND Institute, University of California Davis, 50Th Street, Sacramento, CA 2825, USA
- Department of Psychiatry and Behavioral Sciences, University of California, Davis Health, Sacramento, CA, USA
| | - Jennifer Villarreal
- . MIND Institute, University of California Davis, 50Th Street, Sacramento, CA 2825, USA
- . Graduate Program in Human Development, University of California, Davis, CA, USA
| | - Leonard Abbeduto
- . MIND Institute, University of California Davis, 50Th Street, Sacramento, CA 2825, USA
- Department of Psychiatry and Behavioral Sciences, University of California, Davis Health, Sacramento, CA, USA
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Chen Y, Cabrera NJ, Reich SM. Mother-child and father-child "serve and return" interactions at 9 months: Associations with children's language skills at 18 and 24 months. Infant Behav Dev 2023; 73:101894. [PMID: 37866287 PMCID: PMC10873112 DOI: 10.1016/j.infbeh.2023.101894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 08/24/2023] [Accepted: 10/08/2023] [Indexed: 10/24/2023]
Abstract
Infants learn language through the back-and-forth interactions with their parents where they "serve" by uttering sounds, gesturing, or looking and parents "return" in prompt (i.e., close in time) and meaningful (i.e., semantically relevant to the object of interest) ways. In a sample of 9-month-old infants (n = 148) and their mothers and fathers (n = 296 parents) from ethnically and socioeconomically diverse backgrounds, we examined the associations between "serve and return" (SR) parent-child interactions and children's language skills at 18 and 24 months. We also examined the moderation effects between maternal and paternal SR interactions on language outcomes. SR interactions were transcribed and coded from videotaped parent-child toy play activities during home visits. We report three findings. First, mothers who provided more meaningful responses to their child's serves at 9 months had children with higher expressive language scores at 18 months. Second, fathers' prompt responses (i.e., within 3 s) at 9 months were associated with higher receptive language scores at 18 months, but their meaningful responses were negatively associated with receptive language scores at 24 months. Third, the negative association between fathers' meaningful responses and children's receptive language scores was reduced (compensated) when mothers' meaningful responses were high. Findings show that infants in ethnically and socioeconomically diverse families engage in frequent SR interactions with both mothers and fathers, who make unique contributions to infants' language development. We discuss implications for programs and policies that aim to promote early language development and reduce gaps in school readiness.
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Affiliation(s)
- Yu Chen
- University of Maryland, 1145 Cole, College Park, MD 20742, USA.
| | - Natasha J Cabrera
- University of Maryland, 3304E Benjamin, College Park, MD 20742, USA.
| | - Stephanie M Reich
- University of California, Irvin, 3454 Education, Irvine, CA 92697, USA.
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Matrat M, Delage H, Kehoe M. A new dynamic word learning task to diagnose language disorder in French-speaking monolingual and bilingual children. FRONTIERS IN REHABILITATION SCIENCES 2023; 3:1095023. [PMID: 36794270 PMCID: PMC9922851 DOI: 10.3389/fresc.2022.1095023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 12/12/2022] [Indexed: 02/03/2023]
Abstract
Tools to effectively assess the language performance of bilingual children are lacking. Static tests assessing vocabulary knowledge (e.g., naming task) are not appropriate for testing bilingual children due to different types of bias. Alternative methods have been developed to diagnose bilingual children, including measuring language learning (e.g., word learning) through dynamic assessment. Research conducted with English-speaking children indicates that DA of word learning is effective in diagnosing language disorders in bilingual children. In this study, we examine whether a dynamic word learning task, using shared-storybook reading, can differentiate French-speaking (monolingual and bilingual) children with developmental language disorder (DLD) from those with typical development (TD). Sixty children (4-8 years), 43 with TD and 17 with DLD, participated: 30 were monolinguals and 25 were bilinguals. The dynamic word-learning task used a shared-storybook reading context. The children had to learn four non-words, paired with novel objects, as well as their semantic characteristics (a category and a definition) during the reading of a story. Post-tests assessed the recall of the phonological form and the semantic features of the objects. Phonological and semantic prompts were given if the child was unable to name or describe the objects. Results indicated that children with DLD performed less well than those with TD on phonological recall, leading to fair sensitivity and good specificity at delayed post-test for young children (4-6 years). Semantic production did not differentiate the two groups: all children performed well at this task. In sum, children with DLD have more difficulties encoding the phonological form of the word. Our findings suggest that a dynamic word learning task using shared-storybook reading is a promising approach for diagnosing lexical difficulties in young French-speaking, monolingual and bilingual, children.
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Bello A, Ferraresi P, Caselli MC, Perucchini P. The Predictive Role of Quantity and Quality Language-Exposure Measures for L1 and L2 Vocabulary Production among Immigrant Preschoolers in Italy. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:1966. [PMID: 36767333 PMCID: PMC9914832 DOI: 10.3390/ijerph20031966] [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: 11/21/2022] [Revised: 01/15/2023] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
In this study, we investigated the lexical ability in L1 and L2 of 60 immigrant children who were 37 to 62 months old and exposed to minority languages (L1) and Italian (L2). Using the MacArthur-Bates Communicative Development Inventories, we measured children's vocabulary production in L1 and L2. From interviews, we collected data on quantitative language exposure (parental input, child output, length of exposure to L2 at preschool, and parental oral fluency) and qualitative home-language exposure (HLE) practices (active, play, and passive) in L1 and L2. We conducted stepwise regression analyses to explore which factors predicted children's vocabulary production in L1 and L2. The child's chronological age and parental education were not predictors of vocabulary production. L2 parental input, L1 child output, and L1 HLE-active practices explained 42% of the variance in children's L1 vocabulary production. L2 child output and L2 HLE-active practices explained 47% of the variance in children's L2 vocabulary production, whereas length of L2 exposure in preschool was a predictor only when we included quantitative language-exposure factors in the model. The effects of the quantity and quality of language exposure on lexical ability among preschool immigrant children are discussed.
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Affiliation(s)
- Arianna Bello
- Department of Education, Roma Tre University, Via Castro Pretorio 20, 00186 Roma, Italy
| | - Paola Ferraresi
- Department of Education, Roma Tre University, Via Castro Pretorio 20, 00186 Roma, Italy
| | - Maria Cristina Caselli
- Institute of Cognitive Sciences and Technologies, National Research Council, Via Nomentana 56, 00161 Rome, Italy
| | - Paola Perucchini
- Department of Education, Roma Tre University, Via Castro Pretorio 20, 00186 Roma, Italy
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Sun L, Griep CD, Yoshida H. Shared Multimodal Input Through Social Coordination: Infants With Monolingual and Bilingual Learning Experiences. Front Psychol 2022; 13:745904. [PMID: 35519632 PMCID: PMC9066094 DOI: 10.3389/fpsyg.2022.745904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 03/15/2022] [Indexed: 11/13/2022] Open
Abstract
A growing number of children in the United States are exposed to multiple languages at home from birth. However, relatively little is known about the early process of word learning—how words are mapped to the referent in their child-centered learning experiences. The present study defined parental input operationally as the integrated and multimodal learning experiences as an infant engages with his/her parent in an interactive play session with objects. By using a head-mounted eye tracking device, we recorded visual scenes from the infant’s point of view, along with the parent’s social input with respect to gaze, labeling, and actions of object handling. Fifty-one infants and toddlers (aged 6–18 months) from an English monolingual or a diverse bilingual household were recruited to observe the early multimodal learning experiences in an object play session. Despite that monolingual parents spoke more and labeled more frequently relative to bilingual parents, infants from both language groups benefit from a comparable amount of socially coordinated experiences where parents name the object while the object is looked at by the infant. Also, a sequential path analysis reveals multiple social coordinated pathways that facilitate infant object looking. Specifically, young children’s attention to the referent objects is directly influenced by parent’s object handling. These findings point to the new approach to early language input and how multimodal learning experiences are coordinated socially for young children growing up with monolingual and bilingual learning contexts.
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Affiliation(s)
- Lichao Sun
- Department of Psychology, University of Houston, Houston, TX, United States
| | - Christina D Griep
- Department of Psychology, University of Houston, Houston, TX, United States
| | - Hanako Yoshida
- Department of Psychology, University of Houston, Houston, TX, United States
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Scaff C, Fibla L, Cristia A. Factors structuring lexical development in toddlers: The effects of parental education, language exposure, and age. JOURNAL OF CHILD LANGUAGE 2022; 50:1-21. [PMID: 35508901 DOI: 10.1017/s0305000922000186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A growing body of research suggests that individual variation in young children's word comprehension (indexed by response times and accuracy) is structured and meaningful. In this paper, we assess how children's word comprehension correlates with three factors: socio-economic status (indexed by maternal education), lingual status (based on language exposure), and age. We present results from 91 2- to 3-year-old children using a paired forced-choice task built on a child-friendly touch screen. Effects associated with maternal education and exposure to the tested language (French) were small, and they were greater for accuracy than response times. This pattern of results is compatible with an interpretation whereby the greatest effects of these two variables are on cumulative knowledge (vocabulary size) rather than on processing. Effects for age were larger and affected both accuracy and response times. Finally, response time variation did not mediate the effects of socio-economic status on accuracy or vice versa.
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Affiliation(s)
- Camila Scaff
- Human Ecology Group, Institute of Evolutionary Medicine (IEM), University of Zurich, Zurich, Switzerland
- Laboratoire de Sciences Cognitives et de Psycholinguistique, Departement d'Etudes Cognitives, ENS, EHESS, CNRS, PSL University, Paris, France
| | - Laia Fibla
- School of Psychology, The University of East Anglia, Norwich, UK
| | - Alejandrina Cristia
- Laboratoire de Sciences Cognitives et de Psycholinguistique, Departement d'Etudes Cognitives, ENS, EHESS, CNRS, PSL University, Paris, France
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Prentza A, Tafiadis D, Chondrogianni V, Tsimpli IM. Validation of a Greek Sentence Repetition Task with Typically Developing Monolingual and Bilingual Children. JOURNAL OF PSYCHOLINGUISTIC RESEARCH 2022; 51:373-395. [PMID: 35286538 DOI: 10.1007/s10936-022-09853-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] [Accepted: 02/11/2022] [Indexed: 06/14/2023]
Abstract
This study provides a preliminary validation of a Greek Sentence Repetition Task (SRT) with a sample of 110 monolingual and bilingual typically developing (TLD) children and examines the test's ability to distinguish between Greek monolingual children and age-matched Albanian-Greek bilinguals using a Receiver Operating Characteristics (ROC) analysis. This is the first study to report on the psychometric evaluation of a Greek SRT and its discriminatory ability with typical populations. Since most language assessments are standardized with monolinguals and bilingual children tend to underperform on these compared to monolinguals, it is essential to establish the level of bilingual TLD children's ability on the same tests before moving on to diagnose language impairment in bilinguals. Results showed that the Greek SRT had very high validity and reliability scores, with Accuracy measures being more reliable than Grammaticality measures. The school-age monolingual and bilingual TLD children reached different cut-off scores on this task.
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Affiliation(s)
- Alexandra Prentza
- Department of Linguistics, School of Philology, Faculty of Philosophy, University Campus, 1186, 45110, Ioannina, Greece.
| | - Dionysios Tafiadis
- Department of Speech & Language Therapy, School of Health Sciences, University of Ioannina, University Campus, 1186, 45110, Ioannina, Greece
| | - Vasiliki Chondrogianni
- Department of Linguistics and English Language, School of Philosophy, University of Edinburgh, Dugald Stewart Building, 3 Charles Street, EH8 9AD, Edinburgh, United Kingdom
| | - Ianthi-Maria Tsimpli
- Department of Theoretical and Applied Linguistics, Faculty of Modern and Medieval Languages and Linguistics, University of Cambridge, English Faculty Building, Room TR-11, 9 West Road Cambridge, CB3 9DP, Cambridge, United Kingdom
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Peredo TN, Mancilla-Martinez J, Durkin K, Kaiser A. Teaching Spanish-Speaking Caregivers to Implement EMT en Español: A Small Randomized Trial. EARLY CHILDHOOD RESEARCH QUARTERLY 2022; 58:208-219. [PMID: 35058673 PMCID: PMC8765734 DOI: 10.1016/j.ecresq.2021.08.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
PURPOSE The primary purpose of this study was to examine the effects of using the Teach-Model-Coach-Review approach to teach Spanish-speaking caregivers from low-income households to implement EMT en Español with their young children with language delays. A secondary purpose was to explore the effects of the caregiver-implemented intervention on children's vocabulary. A final and more exploratory goal was to gain insight into caregivers' perceptions of the intervention. METHOD 21 caregiver-child dyads participated in the intent-to-treat randomized control trial. Their children were 30-43 months old with language delays. Dyads were randomly assigned to receive 24 caregiver training sessions delivered at home in Spanish or a wait list control group. Pre, post and 3-month follow assessments included observational measures of caregiver-child interactions and child standardized vocabulary assessments. Caregivers completed surveys rating their perception of the intervention. RESULTS Caregivers in the intervention group had significantly higher percentages of matched turns, expansions, and targets at post-assessment and of expansions and targets at follow-up compared to the control group. Overall, children in the intervention condition had significantly higher receptive vocabulary scores and performed better than children in the control condition on observational measure of their lexical diversity, with moderate effect sizes for most outcomes. Caregivers perceived the intervention as effective and culturally appropriate. CONCLUSIONS Teach-Model-Coach-Review is effective in increasing Spanish-speaking caregivers' use of EMT en Español strategies with their young children with language delays. The intervention also appears to be effective for child vocabulary outcomes and acceptable to caregivers.
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Affiliation(s)
| | | | - Kelley Durkin
- Department of Teaching and Learning, Vanderbilt University
| | - Ann Kaiser
- Department of Special Education, Vanderbilt University
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Sanfelici E, Roch M. The Native Speaker in Italian-Dialects Bilingualism: Insights From the Acquisition of Vicentino by Preschool Children. Front Psychol 2021; 12:717639. [PMID: 34725545 PMCID: PMC8556152 DOI: 10.3389/fpsyg.2021.717639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 08/31/2021] [Indexed: 11/13/2022] Open
Abstract
This paper investigates the bilingualism originating from the native competence of a standard language (Italian) and a vernacular non-standardized local dialect (henceforth, bilectalism). We report results on the comprehension and production of narrative stories by 44 3- to 5-year-old typically developing children exposed to both Italian and Vicentino from birth. Our findings show that all children produced and comprehended Italian. As for the dialect, children can comprehend Vicentino, despite not producing any dialectal element. The study further revealed an implicational scale in dialectal competence: if a child exhibits some productions with dialectal syntax, s/he also produces dialects at the phonological, morphological, and lexical levels. These findings are in line with the dialectological studies on adult speakers: dialectal competence should be arranged along a fine-grained continuum and the dialectal speaker should be considered as a multi-factorial notion. Our study extends this observation to children’s dialectal acquisition.
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Affiliation(s)
- Emanuela Sanfelici
- Department of Linguistic and Literary Studies, University of Padua, Padua, Italy
| | - Maja Roch
- Department of Psychology, University of Padua, Padua, Italy
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Halpin E, Prishker N, Melzi G. The Bilingual Language Diversity of Latino Preschoolers: A Latent Profile Analysis. Lang Speech Hear Serv Sch 2021; 52:877-888. [PMID: 34170746 DOI: 10.1044/2021_lshss-21-00015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Purpose This study describes the language diversity (the within-group variability in dual-language skills) of a sample of Latino dual-language learners (preschoolers, 3-5 years of age) and how language diversity is related to home and classroom factors. Method A sample of 161 caregivers and their preschoolers participated in this study. Caregivers and a sample of 19 teachers reported on demographic factors and home and classroom language environments. Children were assessed in various domains of both Spanish and English to evaluate their language proficiency skills in each language. Latent profile analysis was used to generate profiles of the diversity of bilingual skills of young dual-language learners. Results Four profiles of dual-language skills emerged, characterized by balanced versus uneven skills and phonology and morphosyntax domains. The domains within each language served as markers to distinguish the profiles from one another, specifically morphosyntax and phonology. The results underscore the linguistic heterogeneity of preschool Latino dual-language learners. Conclusions Findings reflect the importance of highlighting the strengths of language diversity of preschool Latino dual-language learners instead of employing a monolithic, "one-size-fits-all" approach when considering how to best support them. Furthermore, the home environment plays an important role in supporting Spanish language skills, especially if such support is not necessarily provided at school.
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Affiliation(s)
- Emily Halpin
- Department of Applied Psychology, New York University, NY
| | - Nydia Prishker
- Department of Applied Psychology, New York University, NY
| | - Gigliana Melzi
- Department of Applied Psychology, New York University, NY
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Hoff E, Tulloch MK, Core C. Profiles of Minority-Majority Language Proficiency in 5-Year-Olds. Child Dev 2021; 92:1801-1816. [PMID: 34042172 PMCID: PMC10399634 DOI: 10.1111/cdev.13591] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Children from language minority homes reach school age with variable dual language skills. Cluster analysis identified four bilingual profiles among 126 U.S.-born, 5-year-old Spanish-English bilinguals. The profiles differed on two dimensions: language balance and total language knowledge. Balance varied primarily as a function of indicators of the relative quantity and the quality of their language exposure (amount of home exposure and maternal education in each language). Total language knowledge varied primarily as a function of indicators of children's language learning ability (phonological memory and nonverbal intelligence). English dominance was more prevalent than balanced bilingualism; there was no Spanish dominant profile, despite average Spanish dominance in home language use. There was no evidence of a tradeoff between English and Spanish skills.
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Abstract
All normal children in normal environments acquire language. However, all normal children in normal bilingual environments do not acquire two languages. This chapter asks what makes the simultaneous acquisition of two languages more difficult than the acquisition of one. Focusing on children in immigrant families whose two languages are a minority language used more at home and a majority, societal language, this chapter describes common patterns and individual differences in bilingual development. The most frequently occurring outcome in that circumstance is strong skill in the majority language with more varied and weaker skills in the minority language. This chapter also reviews research that identifies factors that contribute to individual differences in order to identify the experiences and abilities that support bilingual development. Those factors include the quality and quantity of children's exposure to each language, children's use of each language, and the functional value of proficiency in each language. We conclude that two languages are more difficult to acquire than one because language acquisition requires substantial and continued environmental support. It is not easy for children to acquire strong and comparable skills levels in two languages because environments tend not to provide high and comparable levels of support for two languages.
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A Four-Year Longitudinal Comparative Study on the Lexicon Development of Russian and Turkish Heritage Speakers in Germany. LANGUAGES 2021. [DOI: 10.3390/languages6010027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Russian and Turkish are the most frequently spoken and intensively investigated heritage languages in Germany, but contrastive research on their development in early childhood is still missing. This longitudinal study compares the trajectories of expressive lexicon development in Russian (n = 70) and Turkish (n = 79) heritage speakers and identifies predictors for their lexicon size at preschool age. Heritage lexicon size was tested with two comparable tests assessing the expressive lexicon at four test points between the mean ages of 3.3 (range: 25–49 months) and 5.6 (range: 54–78 months) years. The influence of language-related factors, such as input quantity, parents’ heritage language proficiency and age of onset (AoO) of German, and other potential predictors, i.e., intelligence and socio-economic status, is evaluated. Results show that the Turkish group’s abilities grow slower but are similar at the last test point. Common predictors for lexicon size are input quantity from siblings and AoO. Group-specific influences are parental input quantity in the Russian group and siblings’ proficiency in the Turkish group. Our findings emphasize the interplay of input quantity and society language AoO for heritage lexicon development. The relevance of our results for the usage-based theory of language acquisition is discussed.
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Farabolini G, Rinaldi P, Caselli MC, Cristia A. Non-word repetition in bilingual children: the role of language exposure, vocabulary scores and environmental factors. SPEECH, LANGUAGE AND HEARING 2021. [DOI: 10.1080/2050571x.2021.1879609] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Gianmatteo Farabolini
- National Research Council, Institute of Cognitive Sciences and Technologies, Rome, Italy
- Départment d’études cognitives Laboratoire de Sciences Cognitives et Psycholinguistique, Ecole Normale Supérieure, Paris, France
| | - Pasquale Rinaldi
- National Research Council, Institute of Cognitive Sciences and Technologies, Rome, Italy
| | - Maria Cristina Caselli
- National Research Council, Institute of Cognitive Sciences and Technologies, Rome, Italy
| | - Alejandrina Cristia
- Départment d’études cognitives Laboratoire de Sciences Cognitives et Psycholinguistique, Ecole Normale Supérieure, Paris, France
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Riva A, Musetti A, Bomba M, Milani L, Montrasi V, Nacinovich R. Language-Related Skills in Bilingual Children With Specific Learning Disorders. Front Psychol 2021; 11:564047. [PMID: 33551894 PMCID: PMC7859646 DOI: 10.3389/fpsyg.2020.564047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 12/28/2020] [Indexed: 11/13/2022] Open
Abstract
Purpose: The purpose of this study is to better understand the characteristics of the language-related skills of bilingual children with specific learning disorders (SLD). The aim is achieved by analyzing language-related skills in a sample of bilingual (Italian plus another language) and Italian monolingual children, with and without SLD. Patients and methods: A total of 72 minors aged between 9 and 11 were recruited and divided into four groups: 18 Italian monolingual children with SLD, 18 bilingual children with SLD, 18 Italian monolingual children without SLD, and 18 bilingual children without SLD. Each child underwent tests to evaluate different aspects of language skills: lexical and grammar, metalanguage and executive functions. Results: With regard to lexical and grammatical skills, the conditions of SLD and bilingualism both impact naming in terms of total number of errors for words with low frequency of use, while the condition of SLD has an effect on semantic errors for words with low frequency of use. The condition of bilingualism impacts on the total errors for words with high frequency of use and on circumlocution-type errors for words with low frequency of use. There were significant effects of bilingualism and SLD on the metalinguistic test for understanding implicit meaning, and an impact of SLD on phonological awareness was also found. Conclusion: The results suggest that both SLD and bilingualism have an effect on some lexical skills, in particular for words with low frequency of use. Both conditions, bilingualism and SLD, seem to impact on metalinguistic abilities that depend on lexical knowledge. These findings reinforce the importance of improving understanding of the neuropsychological profile of bilingual children with SLD.
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Affiliation(s)
- Anna Riva
- Azienda Socio Sanitaria Territoriale (ASST) di Monza, Monza, Italy.,Department of Medicine and Surgery, University of Milano Bicocca, Monza, Italy
| | - Alessandro Musetti
- Department of Humanities, Social Sciences and Cultural Industries, University of Parma, Parma, Emilia-Romagna, Italy
| | - Monica Bomba
- Azienda Socio Sanitaria Territoriale (ASST) di Monza, Monza, Italy.,Department of Medicine and Surgery, University of Milano Bicocca, Monza, Italy
| | - Lorenzo Milani
- Azienda Socio Sanitaria Territoriale (ASST) di Monza, Monza, Italy.,Department of Medicine and Surgery, University of Milano Bicocca, Monza, Italy
| | | | - Renata Nacinovich
- Azienda Socio Sanitaria Territoriale (ASST) di Monza, Monza, Italy.,Department of Medicine and Surgery, University of Milano Bicocca, Monza, Italy
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D'haeseleer E, Daelman J, Altinkamis F, Smet AS, Ryckaert E, Van Lierde K. Language Development in Turkish-Dutch Bilingual Children. Folia Phoniatr Logop 2021; 73:491-501. [PMID: 33395683 DOI: 10.1159/000512443] [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: 05/01/2020] [Accepted: 10/19/2020] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION In the current literature, there is a well-established necessity for the improvement of bilingual language diagnostics. Nowadays, the majority of clinicians in Belgium still rely on standardized tests with monolingual norm samples. It is therefore fundamental to have a detailed knowledge of the performance of bilingual children on these monolingual normed tests. Furthermore, there is also a need for unambiguous longitudinal research on the language performances of bilingual children. Therefore, this study aims to investigate the language skills of 25 Turkish-Dutch successive bilinguals compared to 25 age- and gender-matched monolingual Dutch children. In 9 bilinguals and 13 monolinguals, longitudinal data of 3 years (at 6 years and at 9 years) were collected and compared. METHODS The subject group consisted of 25 bilingual Turkish-Dutch children with a mean age of 9 years and 6 months (SD 0.26 years, min. 8 years and 11 months to max. 9 years and 10 months) with Turkish as the dominant home language. Language exposure to Dutch was at least 3 years. An age- and gender-matched control group of 25 monolingual Dutch children with same educational backgrounds was compiled. Language skills were investigated using the Dutch version of the CELF. In 22 children, language skills were reassessed 3 years later in a follow-up study. Data were compared using the Mann-Whitney U test and Wilcoxon matched-pairs signed-rank test. RESULTS Language comprehension and production were significantly lower in the bilingual children compared to the monolinguals. After 3 years, the language delay in bilingual Turkish-Dutch children remained the same. Language production in the bilingual children was mainly influenced by the profession of the mother and the home language. CONCLUSION The low performances of typically developing Turkish-Dutch children on language batteries are worrying and have clinical implications. The same language gap was found at the age of 6 and 9 years in Turkish-Dutch bilingual children compared to monolingual Dutch children, implying that the bilingual children did not catch up with their peers.
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Affiliation(s)
- Evelien D'haeseleer
- Department of Rehabilitation Sciences, Ghent University, Gent, Belgium.,Department of Otorhinolaryngology, Ghent University Hospital, Gent, Belgium
| | - Julie Daelman
- Department of Rehabilitation Sciences, Ghent University, Gent, Belgium,
| | - Feyza Altinkamis
- Department of Translation, Interpreting and Communication, Ghent University, Gent, Belgium
| | - Anne-Sophie Smet
- Department of Rehabilitation Sciences, Ghent University, Gent, Belgium
| | - Elise Ryckaert
- Department of Rehabilitation Sciences, Ghent University, Gent, Belgium
| | - Kristiane Van Lierde
- Department of Rehabilitation Sciences, Ghent University, Gent, Belgium.,Faculty of Humanities, Department of Speech-Language Pathology and Audiology, University of Pretoria, Pretoria, South Africa
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Sorenson Duncan T, Paradis J. Home language environment and children's second language acquisition: the special status of input from older siblings. JOURNAL OF CHILD LANGUAGE 2020; 47:982-1005. [PMID: 32223763 DOI: 10.1017/s0305000919000977] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Previous research suggests that increased second language (L2) input at home may not support L2 acquisition in children from migrant backgrounds. In drawing this conclusion, existing work has largely aggregated across family members. This study contrasts the effect of L2 input from older siblings with that from mothers. Participants were 113 child L2 learners of English (mean age = 5;10 [range 4;10-7;2]; mean exposure to L2 in school = 16.7 months [range 2-48 months]). All children had at least one older sibling. Using hierarchical linear regression modelling with controls for age, non-verbal reasoning and phonological short-term memory, we found that greater L2 input from siblings - but not mothers - was associated with stronger L2 abilities in narrative macrostructure, inflectional morphology, and vocabulary. Increased cumulative exposure to the L2 at school and greater maternal L2 fluency were also positively related to children's L2 inflectional morphology and vocabulary scores.
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20
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Zaretsky E. English spelling acquisition by English Language Learners from Spanish-speaking background: The role of cognitive and linguistic resources and L1 reading status. COGNITIVE DEVELOPMENT 2020. [DOI: 10.1016/j.cogdev.2020.100918] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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21
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Jasso J, McMillen S, Anaya JB, Bedore LM, Peña ED. The Utility of an English Semantics Measure for Identifying Developmental Language Disorder in Spanish-English Bilinguals. AMERICAN JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2020; 29:776-788. [PMID: 32315199 PMCID: PMC7842872 DOI: 10.1044/2020_ajslp-19-00202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 04/30/2019] [Accepted: 01/06/2020] [Indexed: 05/26/2023]
Abstract
Purpose We examined the English semantic performance of three hundred twenty-seven 7- to 10-year-old Spanish-English bilinguals with (n = 66) and without (n = 261) developmental language disorder (DLD) with varying levels of English experience to classify groups. Method English semantic performance on the Bilingual English-Spanish Assessment-Middle Extension Experimental Test Version (Peña et al., 2008) was evaluated by language experience, language ability, and task type. Items that best identified DLD for children with balanced and high English experience were selected. Separately, items that best identified children with high Spanish experience were selected. Results Typically developing bilingual children performed significantly higher than their peers with DLD across semantic tasks, with differences associated with task type. Classification accuracy was fair when item selection corresponded to balanced or high level of experience in English, but poor for children with high Spanish experience. Selecting items specifically for children with high Spanish experience improved classification accuracy. Conclusions Tailoring semantic items based on children's experience is a promising direction toward organizing items on a continuum of exposure. Here, classification effectively ruled in impairment. Future work to refine semantic items that more accurately represent the continuum of exposure may help rule out language impairment.
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Affiliation(s)
- Javier Jasso
- Department of Communication Sciences and Disorders, The University of Texas at Austin
- Department of Communication Sciences and Disorders, Temple University, Philadelphia, PA
| | - Stephanie McMillen
- Department of Communication Sciences and Disorders, Syracuse University, NY
| | - Jissel B. Anaya
- Department of Communication Sciences and Disorders, The University of Texas at Austin
| | - Lisa M. Bedore
- Department of Communication Sciences and Disorders, Temple University, Philadelphia, PA
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HOFF E, CORE C, SHANKS KF. The quality of child-directed speech depends on the speaker's language proficiency. JOURNAL OF CHILD LANGUAGE 2020; 47:132-145. [PMID: 31296271 PMCID: PMC7153570 DOI: 10.1017/s030500091900028x] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Many children learn language, in part, from the speech of non-native speakers who vary in their language proficiency. To investigate the influence of speaker proficiency on the quality of child-directed speech, 29 mothers who were native English speakers and 31 mothers who were native speakers of Spanish and who reported speaking English to their children on a regular basis were recorded interacting with their two-year-old children in English. Of the non-native speakers, 21 described their English proficiency as 'good', and eight described their English proficiency as 'limited'. ANCOVAs, controlling for differences in maternal education and child language level, revealed significant effects of group on lexical and grammatical properties of child-directed speech that the literature has identified as positive predictors of child language development. These results suggest that the child-directed speech of native speakers and non-native speakers with good proficiency provide a richer database for language acquisition than the child-directed speech of speakers with limited proficiency.
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Affiliation(s)
- Erika HOFF
- Florida Atlantic University, USA
- Corresponding author: Department of Psychology, Florida Atlantic University.
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Landry SH, Assel MA, Carlo MS, Williams JM, Wu W, Montroy JJ. The effect of the Preparing Pequeños small-group cognitive instruction program on academic and concurrent social and behavioral outcomes in young Spanish-speaking dual-language learners. J Sch Psychol 2019; 73:1-20. [DOI: 10.1016/j.jsp.2019.01.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 11/21/2018] [Accepted: 01/29/2019] [Indexed: 11/16/2022]
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McDaniel J, Benítez-Barrera CR, Soares AC, Vargas A, Camarata S. Bilingual Versus Monolingual Vocabulary Instruction for Bilingual Children with Hearing Loss. JOURNAL OF DEAF STUDIES AND DEAF EDUCATION 2019; 24:142-160. [PMID: 30597033 PMCID: PMC6422237 DOI: 10.1093/deafed/eny042] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 11/12/2018] [Accepted: 11/22/2018] [Indexed: 05/30/2023]
Abstract
Effective vocabulary interventions for children with hearing loss, including children who are bilingual, are needed because of persistent vocabulary deficits in this population. Current instructional practices for children with hearing loss who are bilingual vary in the degree to which they incorporate the language the child uses at home. Unfortunately, there is little direct evidence as to whether bilingual or monolingual instructional practices yield greater benefits for these children. Three Spanish-English-speaking children participated in this single case adapted alternating treatments design study that evaluated the effectiveness and efficiency of bilingual and monolingual teaching procedures for an expressive vocabulary intervention. Contrary to predictions from a monolingual instruction perspective, no evidence of an inhibitory effect of bilingual instruction on English performance was identified. Participants exhibited gains in Spanish for words in the bilingual condition only. Findings suggest more efficient word learning in the bilingual condition as measured by conceptual vocabulary.
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de Diego-Lázaro B, Restrepo MA, Sedey AL, Yoshinaga-Itano C. Predictors of Vocabulary Outcomes in Children Who Are Deaf or Hard of Hearing From Spanish-Speaking Families. Lang Speech Hear Serv Sch 2019; 50:113-125. [DOI: 10.1044/2018_lshss-17-0148] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Purpose
The goal of this study was to identify predictors of expressive vocabulary in young Spanish-speaking children who are deaf or hard of hearing living in the United States.
Method
This cross-sectional study considered 53 children with bilateral hearing loss between 8 and 34 months of age (
M =
24,
SD =
6.9). Demographic variables, variables related to the hearing loss, and intervention variables were included in a hierarchical regression analysis to predict expressive vocabulary quotients from the MacArthur Inventario del Desarrollo de Habilidades Comunicativas (Communicative Development Inventories;
Jackson-Maldonado et al., 2003
).
Results
Chronological age, degree of hearing loss, functional hearing ability ratings, age of enrollment in early intervention, and the interaction between chronological age and age of intervention accounted for 61.5% of the vocabulary variance. Children who received intervention by 6 months of age achieved significantly higher vocabulary outcomes than children who started intervention later.
Conclusion
The children's mean vocabulary outcomes were below average when compared with hearing peers. This was especially true for older children, children with moderately-severe-to-profound hearing loss, and children who began intervention after 6 months of age. This delay in vocabulary outcomes has the potential to interfere with future reading and academic outcomes.
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Affiliation(s)
| | | | - Allison Lee Sedey
- Department of Speech, Language, and Hearing Sciences, University of Colorado–Boulder
- Colorado School for the Deaf and the Blind, Colorado Springs
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26
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Gonzalez SL, Nelson EL. Measuring Spanish Comprehension in Infants from Mixed Hispanic Communities Using the IDHC: A Preliminary Study on 16-Month-Olds. Behav Sci (Basel) 2018; 8:E117. [PMID: 30558314 PMCID: PMC6316703 DOI: 10.3390/bs8120117] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 12/06/2018] [Accepted: 12/12/2018] [Indexed: 11/21/2022] Open
Abstract
The MacArthur Inventario del Desarrollo de Habilidades Comunicativas: Primeras Palabras y Gestos (IDHC) is a widely-used parent report measure for infant Spanish language comprehension. The IDHC was originally created for use with infants of Mexican background. According to the U.S. 2017 census, however, about 37% of U.S. Hispanics are not of Mexican origin. In Miami-Dade, a large county in South Florida, 98% of Hispanics do not identify Mexico as their country of origin. IDHC use in mixed Hispanic communities such as Miami may be problematic due to differences in dialect and object labels. This study explored whether excluding IDHC words flagged as unknown or not commonly used by adults from mixed Hispanic communities affects bilingual infants' vocabulary size. Data were collected from Hispanic 16-month-old infants (N = 27; females = 13) from a mixture of Latin American backgrounds residing in Miami, FL, USA, and compared to archival data from the IDHC Mexican norming sample (N = 60; females = 31). Findings indicate significant differences in the rate of comprehension between the two samples with infants from mixed Latin American backgrounds demonstrating lower rates of comprehension for words flagged as unknown/uncommon. Moreover, Spanish vocabulary scores for infants from mixed Hispanic communities were significantly lower compared to the Mexican norming sample. Use of total vocabulary score (i.e., Spanish + English) attenuated these issues in administrating the IDHC to bilingual infants from mixed Hispanic communities. Results suggest that comprehension of some IDHC words is influenced by Hispanic family background. These preliminary findings highlight potential issues in IDHC administration that require further investigation in additional samples spanning the full age range of the IDHC and from a range of socioeconomic backgrounds to effectively tune how we assess infant Spanish language comprehension to cultural differences.
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Affiliation(s)
- Sandy L Gonzalez
- Department of Psychology, Florida International University, Miami, FL 33199, USA.
| | - Eliza L Nelson
- Department of Psychology, Florida International University, Miami, FL 33199, USA.
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27
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Ribot KM, Hoff E, Burridge A. Language Use Contributes to Expressive Language Growth: Evidence From Bilingual Children. Child Dev 2018; 89:929-940. [PMID: 28245341 PMCID: PMC5573667 DOI: 10.1111/cdev.12770] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The unique relation of language use (i.e., output) to language growth was investigated for forty-seven 30-month-old Spanish-English bilingual children (27 girls, 20 boys) whose choices of which language to speak resulted in their levels of English output differing from their levels of English input. English expressive vocabularies and receptive language skills were assessed at 30, 36, and 42 months. Longitudinal multilevel modeling indicated an effect of output on expressive vocabulary growth only. The finding that output specifically benefits the development of expressive language skill has implications for understanding effects of language use on language skill in monolingual and bilingual development, and potentially, for understanding consequences of cultural differences in how much children are expected to talk in conversation with adults.
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Gibson TA, Oller DK, Jarmulowicz L. Difficulties Using Standardized Tests to Identify the Receptive Expressive Gap in Bilingual Children's Vocabularies. BILINGUALISM (CAMBRIDGE, ENGLAND) 2018; 21:328-339. [PMID: 29731684 PMCID: PMC5931721 DOI: 10.1017/s1366728917000074] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Receptive standardized vocabulary scores have been found to be much higher than expressive standardized vocabulary scores in children with Spanish as L1, learning L2 (English) in school (Gibson et al., 2012). Here we present evidence suggesting the receptive-expressive gap may be harder to evaluate than previously thought because widely-used standardized tests may not offer comparable normed scores. Furthermore monolingual Spanish-speaking children tested in Mexico and monolingual English-speaking children in the US showed other, yet different statistically significant discrepancies between receptive and expressive scores. Results suggest comparisons across widely used standardized tests in attempts to assess a receptive-expressive gap are precarious.
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Peredo TN, Zelaya MI, Kaiser AP. Teaching Low-Income Spanish-Speaking Caregivers to Implement EMT en Español With Their Young Children With Language Impairment: A Pilot Study. AMERICAN JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2018; 27:136-153. [PMID: 29242924 DOI: 10.1044/2017_ajslp-16-0228] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 09/06/2017] [Indexed: 06/07/2023]
Abstract
PURPOSE This study examined the effectiveness of teaching low-income Spanish-speaking caregivers of young children with language impairment a naturalistic language intervention, EMT en Español. METHOD A single-case, multiple-baseline, across-behaviors design replicated across 3 caregiver-child dyads was used to examine the effects of teaching core EMT en Español strategies. The training program utilized the Teach-Model-Coach-Review instructional approach to teach strategies to support children's language development in Spanish. All sessions were at home and in Spanish. RESULTS Caregivers increased their use of matched turns, target talk, expansions, and a communication elicitation procedure following training on each specific skill. Additionally, caregivers generalized increased use of matched turns and target talk to an untrained activity during the intervention period and maintained their behavior 1 month after completing intervention. Two of 3 caregivers generalized their use of expansions, and 1 caregiver generalized her use of a communication elicitation procedure. Modest effects on the child's number of different words were observed for 2 of the 3 target children over the course of the intervention sessions. All 3 children demonstrated increases in total spontaneous words. CONCLUSION Spanish-speaking caregivers were able to implement naturalistic language teaching strategies with their young children with language impairment in a relatively short-term intervention.
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Affiliation(s)
| | | | - Ann P Kaiser
- Department of Special Education, Vanderbilt University, Nashville, TN
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30
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31
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De Houwer A. Chapter 7. The role of language input environments for language outcomes and language acquisition in young bilingual children. STUDIES IN BILINGUALISM 2018. [DOI: 10.1075/sibil.54.07hou] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Belpaeme T, Vogt P, van den Berghe R, Bergmann K, Göksun T, de Haas M, Kanero J, Kennedy J, Küntay AC, Oudgenoeg-Paz O, Papadopoulos F, Schodde T, Verhagen J, Wallbridge CD, Willemsen B, de Wit J, Geçkin V, Hoffmann L, Kopp S, Krahmer E, Mamus E, Montanier JM, Oranç C, Pandey AK. Guidelines for Designing Social Robots as Second Language Tutors. Int J Soc Robot 2018; 10:325-341. [PMID: 30996752 PMCID: PMC6438435 DOI: 10.1007/s12369-018-0467-6] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/11/2018] [Indexed: 11/10/2022]
Abstract
In recent years, it has been suggested that social robots have potential as tutors and educators for both children and adults. While robots have been shown to be effective in teaching knowledge and skill-based topics, we wish to explore how social robots can be used to tutor a second language to young children. As language learning relies on situated, grounded and social learning, in which interaction and repeated practice are central, social robots hold promise as educational tools for supporting second language learning. This paper surveys the developmental psychology of second language learning and suggests an agenda to study how core concepts of second language learning can be taught by a social robot. It suggests guidelines for designing robot tutors based on observations of second language learning in human–human scenarios, various technical aspects and early studies regarding the effectiveness of social robots as second language tutors.
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Affiliation(s)
- Tony Belpaeme
- 1Centre for Robotics and Neural Systems, Plymouth University, Plymouth, UK.,2IDLab - imec, Ghent University, Ghent, Belgium
| | - Paul Vogt
- 3Tilburg Center for Cognition and Communication, Tilburg University, Tilburg, The Netherlands
| | - Rianne van den Berghe
- 5Department of Special Education: Cognitive and Motor Disabilities, Utrecht University, Utrecht, The Netherlands
| | - Kirsten Bergmann
- 4Cluster of Excellence Cognitive Interaction Technology, Bielefeld University, Bielefeld, Germany
| | - Tilbe Göksun
- 6Department of Psychology, College of Social Sciences and Humanities, Koç University, Istanbul, Turkey
| | - Mirjam de Haas
- 3Tilburg Center for Cognition and Communication, Tilburg University, Tilburg, The Netherlands
| | - Junko Kanero
- 6Department of Psychology, College of Social Sciences and Humanities, Koç University, Istanbul, Turkey
| | - James Kennedy
- 1Centre for Robotics and Neural Systems, Plymouth University, Plymouth, UK
| | - Aylin C Küntay
- 6Department of Psychology, College of Social Sciences and Humanities, Koç University, Istanbul, Turkey
| | - Ora Oudgenoeg-Paz
- 5Department of Special Education: Cognitive and Motor Disabilities, Utrecht University, Utrecht, The Netherlands
| | | | - Thorsten Schodde
- 4Cluster of Excellence Cognitive Interaction Technology, Bielefeld University, Bielefeld, Germany
| | - Josje Verhagen
- 5Department of Special Education: Cognitive and Motor Disabilities, Utrecht University, Utrecht, The Netherlands
| | | | - Bram Willemsen
- 3Tilburg Center for Cognition and Communication, Tilburg University, Tilburg, The Netherlands
| | - Jan de Wit
- 3Tilburg Center for Cognition and Communication, Tilburg University, Tilburg, The Netherlands
| | - Vasfiye Geçkin
- 6Department of Psychology, College of Social Sciences and Humanities, Koç University, Istanbul, Turkey
| | - Laura Hoffmann
- 4Cluster of Excellence Cognitive Interaction Technology, Bielefeld University, Bielefeld, Germany
| | - Stefan Kopp
- 4Cluster of Excellence Cognitive Interaction Technology, Bielefeld University, Bielefeld, Germany
| | - Emiel Krahmer
- 3Tilburg Center for Cognition and Communication, Tilburg University, Tilburg, The Netherlands
| | - Ezgi Mamus
- 6Department of Psychology, College of Social Sciences and Humanities, Koç University, Istanbul, Turkey
| | | | - Cansu Oranç
- 6Department of Psychology, College of Social Sciences and Humanities, Koç University, Istanbul, Turkey
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Legacy J, Zesiger P, Friend M, Poulin-Dubois D. Vocabulary size and speed of word recognition in very young French-English bilinguals: A longitudinal study. BILINGUALISM (CAMBRIDGE, ENGLAND) 2018; 21:137-149. [PMID: 29416429 PMCID: PMC5798648 DOI: 10.1017/s1366728916000833] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
A longitudinal study of lexical development in very young French-English bilinguals is reported. The Computerized Comprehension Test (CCT) was used to directly assess receptive vocabulary and processing efficiency, and parental report (CDI) was used to measure expressive vocabulary in monolingual and bilingual infants at 16 months, and six months later, at 22 months. All infants increased their comprehension and production of words over the six-month period, and bilingual infants acquired approximately as many new words in each of their languages as the monolinguals did. Speed of online word processing was also equivalent in both groups at each wave of data collection, and increased significantly across waves. Importantly, significant relations emerged between language exposure, vocabulary size, and processing speed, with proportion of language exposure predicting vocabulary size at each time point. This study extends previous findings by utilizing a direct measure of receptive vocabulary development and online word processing.
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Raudszus H, Segers E, Verhoeven L. Lexical quality and executive control predict children's first and second language reading comprehension. READING AND WRITING 2018; 31:405-424. [PMID: 29386748 PMCID: PMC5768669 DOI: 10.1007/s11145-017-9791-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
This study compared how lexical quality (vocabulary and decoding) and executive control (working memory and inhibition) predict reading comprehension directly as well as indirectly, via syntactic integration, in monolingual and bilingual fourth grade children. The participants were 76 monolingual and 102 bilingual children (mean age 10 years, SD = 5 months) learning to read Dutch in the Netherlands. Bilingual children showed lower Dutch vocabulary, syntactic integration and reading comprehension skills, but better decoding skills than their monolingual peers. There were no differences in working memory or inhibition. Multigroup path analysis showed relatively invariant connections between predictors and reading comprehension for monolingual and bilingual readers. For both groups, there was a direct effect of lexical quality on reading comprehension. In addition, lexical quality and executive control indirectly influenced reading comprehension via syntactic integration. The groups differed in that inhibition more strongly predicted syntactic integration for bilingual than for monolingual children. For a subgroup of bilingual children, for whom home language vocabulary data were available (n = 56), there was an additional positive effect of home language vocabulary on second language reading comprehension. Together, the results suggest that similar processes underlie reading comprehension in first and second language readers, but that syntactic integration requires more executive control in second language reading. Moreover, bilingual readers additionally benefit from first language vocabulary to arrive at second language reading comprehension.
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Affiliation(s)
- Henriette Raudszus
- Behavioural Science Institute, Radboud University, Montessorilaan 3, P.P. Box 9104, 6500 HE Nijmegen, The Netherlands
| | - Eliane Segers
- Behavioural Science Institute, Radboud University, Montessorilaan 3, P.P. Box 9104, 6500 HE Nijmegen, The Netherlands
| | - Ludo Verhoeven
- Behavioural Science Institute, Radboud University, Montessorilaan 3, P.P. Box 9104, 6500 HE Nijmegen, The Netherlands
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Hoff E, Giguere D, Quinn J, Lauro J. The Development of English and Spanish Among Children in Immigrant Families in the United States. PENSAMIENTO EDUCATIVO : REVISTA DE INVESTIGACION EDUCACIONAL LATINOAMERICANA 2018; 55:1-17. [PMID: 31692973 PMCID: PMC6830727 DOI: 10.7764/pel.55.2.2018.1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The variable language skills of children from immigrant families create challenges for families, teachers, and policy makers. A first step toward meeting those challenges is to understand the factors that influence language development in children who hear a language other than the country's majority language at home. We present findings from analyses of longitudinal data on children in immigrant families in the United States that contribute to that understanding. Our findings support four broad conclusions: (1) Children who are exposed to two languages simultaneously will lag behind monolingual children in their rates of single language growth. This is the normal result of distributed language exposure. (2) Language exposure provided by native speakers is more supportive of language growth than exposure provided by nonnative speakers. Therefore, immigrant parents should be encouraged to interact with their children in the language that allows the richest, most meaningful conversations, not necessarily in the majority language. (3) Preschool attendance does not always provide support for majority language skill. Attention needs to be paid to the quality of language support provided in preschool classrooms if they are to benefit language growth. (4) Acquiring the heritage language does not interfere with acquiring the majority language. Rather, it is heritage language acquisition that is vulnerable.
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Hoff E, Ribot KM. Language Growth in English Monolingual and Spanish-English Bilingual Children from 2.5 to 5 Years. J Pediatr 2017; 190:241-245.e1. [PMID: 28803620 PMCID: PMC5690817 DOI: 10.1016/j.jpeds.2017.06.071] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 06/07/2017] [Accepted: 06/29/2017] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To describe the trajectories of English and Spanish language growth in typically developing children from bilingual homes and compare those with the trajectories of English growth in children from monolingual homes, to assess effects of dual language exposure on language growth in typically developing children. STUDY DESIGN Expressive vocabularies were assessed at 6-month intervals from age 30 to 60 months, in English for monolinguals and English and Spanish for bilinguals. Use of English and Spanish in the home was assessed via parental report. RESULTS Multilevel modeling, including parent education as a covariate, revealed that children from bilingual homes lagged 6 months to 1 year behind monolingual children in English vocabulary growth. The size of the lag was related to the relative amount of English use in the home, but the relation was not linear. Increments in English use conferred the greatest benefit most among homes with already high levels of English use. These homes also were likely to have 1 parent who was a native English speaker. Bilingual children showed stronger growth in English than in Spanish. CONCLUSIONS Bilingual children can lag 6 months to 1 year behind monolingual children in normal English language development. Such lags may not necessarily signify clinically relevant delay if parents report that children also have skills in the home language. Shorter lags are associated with 2 correlated factors: more English exposure and more exposure from native English speakers. Early exposure to Spanish in the home does not guarantee acquisition of Spanish.
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Affiliation(s)
- Erika Hoff
- Department of Psychology, Florida Atlantic University, Boca Raton, FL.
| | - Krystal M Ribot
- Department of Psychology, Florida Atlantic University, Boca Raton, FL
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Abstract
Early exposure to two languages is widely thought to guarantee successful bilingual development. Contradicting that belief, children in bilingual immigrant families who grow up hearing a heritage language and a majority language from birth often reach school age with low levels of skill in both languages. This outcome cannot be explained fully by influences of socioeconomic status. In this article, I summarize research that helps explain the trajectories of observed dual language growth among children in immigrant families in terms of the amount and quality of their language exposure as well as their own language use.
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Affiliation(s)
- Erika Hoff
- Department of Psychology, Florida Atlantic University
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Schmidtke J. Home and Community Language Proficiency in Spanish-English Early Bilingual University Students. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2017; 60:2879-2890. [PMID: 28915299 DOI: 10.1044/2017_jslhr-l-16-0341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Accepted: 05/23/2017] [Indexed: 06/07/2023]
Abstract
PURPOSE This study assessed home and community language proficiency in Spanish-English bilingual university students to investigate whether the vocabulary gap reported in studies of bilingual children persists into adulthood. METHOD Sixty-five early bilinguals (mean age = 21 years) were assessed in English and Spanish vocabulary and verbal reasoning ability using subtests of the Woodcock-Muñoz Language Survey-Revised (Schrank & Woodcock, 2009). Their English scores were compared to 74 monolinguals matched in age and level of education. Participants also completed a background questionnaire. RESULTS Bilinguals scored below the monolingual control group on both subtests, and the difference was larger for vocabulary compared to verbal reasoning. However, bilinguals were close to the population mean for verbal reasoning. Spanish scores were on average lower than English scores, but participants differed widely in their degree of balance. Participants with an earlier age of acquisition of English and more current exposure to English tended to be more dominant in English. CONCLUSIONS Vocabulary tests in the home or community language may underestimate bilingual university students' true verbal ability and should be interpreted with caution in high-stakes situations. Verbal reasoning ability may be more indicative of a bilingual's verbal ability.
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Affiliation(s)
- Jens Schmidtke
- German Language Center, German-Jordanian University, Amman, Jordan
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Alt M, Arizmendi GD, DiLallo JN. The Role of Socioeconomic Status in the Narrative Story Retells of School-Aged English Language Learners. Lang Speech Hear Serv Sch 2017; 47:313-323. [PMID: 27420411 DOI: 10.1044/2016_lshss-15-0036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Accepted: 04/26/2016] [Indexed: 11/09/2022] Open
Abstract
Purpose We examined the relationship between maternal level of education as an index of socioeconomic status (SES) on the narrative story retells of school-aged children who are English language learners (ELLs) to guide interpretation of results. Method Using data available from the Systematic Analysis of Language Transcripts database (Miller & Iglesias, 2012), we were able to compare the language samples of 907 ELL students in kindergarten and 2nd grade whose parents had different levels of education. We used a simple linear regression to see if maternal level of education was predictive of measures of vocabulary, syntax, and narrative structure in Spanish and English narrative story retells. Results There were no differences in language measures between children from different SES backgrounds for the Spanish language samples. There were differences with the English language samples in four of the five measures for the kindergarten sample and only three of five measures for the older children, with a smaller percentage of the variance explained. Conclusion Despite common knowledge that SES has a negative influence on language, the actual influence on the narrative productions of school-aged ELLs was less than anticipated for English and absent for Spanish. The implications for assessment are discussed and concluded.
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Legacy J, Reider J, Crivello C, Kuzyk O, Friend M, Zesiger P, Poulin-Dubois D. Dog or chien? Translation equivalents in the receptive and expressive vocabularies of young French-English bilinguals. JOURNAL OF CHILD LANGUAGE 2017; 44:881-904. [PMID: 27377761 PMCID: PMC5531186 DOI: 10.1017/s0305000916000295] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
In order to address gaps in the literature surrounding the acquisition of translation equivalents (TEs) in young bilinguals, two experiments were conducted. In Experiment 1, TEs were measured in the expressive vocabularies of thirty-four French-English bilinguals at 1;4, 1;10, and 2;6 using the MacArthur Bates CDI. Children's acquisition of TEs occurred gradually, with more balanced ratios of exposure and vocabulary associated with larger proportions of TEs at each wave. Experiment 2 compared a direct measure of TE comprehension with parent report of the same set of words. Results showed that parents may over-report children's TE comprehension, as our sample of two-year-old French-English bilinguals (n = 20) comprehended fewer TEs on a direct measure of receptive vocabulary than parents reported on the vocabulary checklist. The present study provides an original contribution to the literature on bilingual vocabulary development by employing both a longitudinal design and a direct measure of TE comprehension.
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Durán LK, Hartzheim D, Lund EM, Simonsmeier V, Kohlmeier TL. Bilingual and Home Language Interventions With Young Dual Language Learners: A Research Synthesis. Lang Speech Hear Serv Sch 2016; 47:347-371. [DOI: 10.1044/2016_lshss-15-0030] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 03/09/2016] [Indexed: 11/09/2022] Open
Abstract
Purpose
The purpose of this systematic review was to determine what bilingual or home language interventions have been found to be effective for 2- to 6-year-old dual language learners who have language impairment (LI) or are at risk for LI.
Method
We conducted ancestral searches and searches of electronic databases, hand-searched article bibliographies, and searched 19 journals for experimental, quasiexperimental, or single-subject studies.
Results
The review yielded 26 studies that were coded for quality, frequency and duration of the intervention, number of participants, location of intervention, interventionist, language(s) of intervention, and reported or calculated effect sizes. Studies were grouped by those that focused specifically on at-risk populations and those that focused on children with LI. Emerging trends provide support for bilingual and/or home language interventions for both children with LI and those at risk for LI.
Conclusions
There were relatively few studies that met inclusion criteria, and the average quality rating for a study was 6.8 out of 9.0 possible points. More high-quality research is needed, particularly with populations that speak languages other than Spanish. Clinicians need more evidence-based recommendations to improve the language and literacy outcomes of the diverse range of dual language learners served in the United States and abroad.
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Paterson SJ, Parish-Morris J, Hirsh-Pasek K, Golinkoff RM. Considering Development in Developmental Disorders. JOURNAL OF COGNITION AND DEVELOPMENT 2016. [DOI: 10.1080/15248372.2016.1200047] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Peredo TN. Supporting Culturally and Linguistically Diverse Families in Early Intervention. ACTA ACUST UNITED AC 2016. [DOI: 10.1044/persp1.sig1.154] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
This report examines two central themes of providing family-centered early intervention services to culturally and linguistically diverse families, including: (a) viewing home language use as a family strength, and (b) learning about family culture and values to provide appropriate caregiver training. Challenges to embedding home language and culture in early intervention are discussed. The importance of supporting home language and how to systematically do so in intervention is explained. The Family Values and Activities Interview, an ethnographic interview, can be used to learn about family culture, values, and activities, and plan for intervention. A protocol of the Family Values and Activities Interview is included.
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Small E, Kim YK, Mengo C. Aggression behavior and substance use among immigrant children: Mediating effect of antisocial attitudes. J Ethn Subst Abuse 2015; 16:3-22. [PMID: 26673481 DOI: 10.1080/15332640.2015.1077761] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
In 2010, approximately one out of four youths in the United States were immigrant children. Hispanics and Asians comprised the largest groups (58% and 16%), respectively. Today, the Hispanic population is the largest ethnic minority in the United States (15%) and is a majority of the U.S. foreign-born population (47%). While immigration is a positive process for most immigrants, resettlement into a new country has challenges, including acculturation adjustments. Youth engage in risky behaviors such as substance use and antisocial behaviors. For immigrant youth with limited supportive opportunities, however, the acculturation process can be difficult. Stress, alienation, and stigma often manifest and cause behavioral problems, including aggression. This pilot study examines the mediating effect of antisocial attitudes using sociocultural, developmental, and environmental factors to understand Hispanic youth problem behaviors. We sampled 136 youths, ages 6-12, from predominantly Hispanic elementary schools in the southwestern United States to ascertain the role of aggression and antisocial behavior in substance use attitudes. The results show significant differences in aggression, antisocial attitudes, and substance use according to (1) age, (2) years in the United States, (3) English level, and (4) relationship with mother. Aggression significantly predicted antisocial attitudes and substance use, with antisocial attitudes having a mediating effect on the relationship between aggression and substance use. In developing social service programs to prevent substance use among children from immigrant families, social work educators and practitioners may consider addressing the role of aggression in Hispanic adolescents' future behavior.
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Affiliation(s)
- Eusebius Small
- a School of Social Work , University of Texas , Arlington , Texas , USA
| | - Youn Kyoung Kim
- a School of Social Work , University of Texas , Arlington , Texas , USA
| | - Cecilia Mengo
- a School of Social Work , University of Texas , Arlington , Texas , USA
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Abstract
Basic research on bilingual development suggests several conclusions that can inform clinical practice with children from bilingual environments. They include the following: (1) Dual language input does not confuse children. (2) It is not necessary for the two languages to be kept separate in children's experience to avoid confusion. (3) Learning two languages takes longer than learning one; on average, bilingual children lag behind monolingual children in single language comparisons. (4) A dominant language is not equivalent to an only language. (5) A measure of total vocabulary provides the best indicator of young bilingual children's language learning capacity. (6) Bilingual children can have different strengths in each language. (7) The quantity and quality of bilingual children's input in each language influence their rates of development in each language. (8) Immigrant parents should not be discouraged from speaking their native language to their children. (9) Bilingual environments vary enormously in the support they provide for each language, with the result that bilingual children vary enormously in their dual language skills. Empirical findings in support of each conclusion are presented.
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Affiliation(s)
- Erika Hoff
- Florida Atlantic University, Boca Raton, Florida
| | - Cynthia Core
- The George Washington University, Washington, District of Columbia
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Hoff E, Welsh S, Place S, Ribot KM. Properties of dual language input that shape bilingual development and properties of environments that shape dual language input. INPUT AND EXPERIENCE IN BILINGUAL DEVELOPMENT 2014. [DOI: 10.1075/tilar.13.07hof] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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