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Zhou Y, Yu NX, Liang Z, Feng S, Zhang Q. Preadolescents' executive functions and resilience development: A cascade model of resilience resources and resilient functioning. J Adolesc 2024. [PMID: 39183384 DOI: 10.1002/jad.12392] [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: 01/03/2024] [Revised: 07/29/2024] [Accepted: 08/04/2024] [Indexed: 08/27/2024]
Abstract
INTRODUCTION Executive functions (EF), encompassing inhibition, updating, and shifting, are widely acknowledged as cognitive factors that promote resilience. However, prior research examining the association between EF and resilience has been hampered by inconsistent conceptualizations of resilience and an overreliance on cross-sectional designs. We embraced a process-oriented conceptualization of resilience and employed a longitudinal approach to investigate how EF components interplay with the dynamic processes of resilience resources and resilient functioning. METHODS A total of 144 Chinese preadolescents (aged 10-12, 53.5% male) completed computer-based EF assessments at baseline and self-reported their resilience at three intervals during 2019-2020. The resilience evaluations encompassed resilience resources at individual, familial, and social levels, as measured by the Resilience Scale for Chinese Adolescents, and resilient functioning, operationalized as the residuals of socioemotional difficulties after accounting for stressful life events. RESULTS The findings emphasized the dynamic nature of resilience, unveiling a developmental cascade from resilience resources to resilient functioning and back to resilience resources. Furthermore, distinct effects of EF components on resilience development were found. Specifically, inhibition was associated with both concurrent and long-term resilience resources and functioning, while updating predicted long-term resilience resources, and shifting predicted long-term resilient functioning. CONCLUSION These results underscored the pivotal role of EF as a cognitive foundation in comprehending the dynamic resilience processes during preadolescence.
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Affiliation(s)
- Yanlin Zhou
- Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou, China
- Department of Social and Behavioural Sciences, City University of Hong Kong, Hong Kong, China
| | - Nancy Xiaonan Yu
- Department of Social and Behavioural Sciences, City University of Hong Kong, Hong Kong, China
| | - Zhanhong Liang
- Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou, China
| | | | - Qiong Zhang
- Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou, China
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Vandecruys F, Vandermosten M, De Smedt B. The role of formal schooling in the development of children's reading and arithmetic white matter networks. Dev Sci 2024:e13557. [PMID: 39129483 DOI: 10.1111/desc.13557] [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: 04/20/2021] [Revised: 03/15/2024] [Accepted: 07/18/2024] [Indexed: 08/13/2024]
Abstract
Children's white matter development is driven by experience, yet it remains poorly understood how it is shaped by attending formal education. A small number of studies compared children before and after the start of formal schooling to understand this, yet they do not allow to separate maturational effects from schooling-related effects. A clever way to (quasi-)experimentally address this issue is the longitudinal school cut-off design, which compares children who are similar in age but differ in schooling (because they are born right before or after the cut-off date for school entry). We used for the first time such a longitudinal school cut-off design to experimentally investigate the effect of schooling on children's white matter networks. We compared "young" first graders (schooling group, n = 34; Mage = 68 months; 20 girls) and "old" preschoolers (non-schooling group, n = 33; Mage = 66 months; 18 girls) that were similar in age but differed in the amount of formal instruction they received. Our study revealed that changes in fractional anisotropy and mean diffusivity in five a priori selected white matter tracts during the transition from preschool to primary school were predominantly driven by age-related maturation. We did not find specific schooling effects on white matter, despite their strong presence for early reading and early arithmetic skills. The present study is the first to disentangle the effects of age-related maturation and schooling on white matter within a longitudinal cohort of 5-year-old preschoolers. RESEARCH HIGHLIGHTS: White matter tracts that have been associated with reading and arithmetic may be susceptible to experience-dependent neuroplasticity when children learn to read and calculate. This longitudinal study used the school cut-off design to isolate schooling-induced from coinciding maturational influences on children's white matter development. White matter changes during the transition from preschool to primary school are predominantly driven by age-related maturation and not by schooling effects. Strong effects of schooling on behavior were shown for early reading and early arithmetic, but not for verbal ability and spatial ability.
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Affiliation(s)
- Floor Vandecruys
- Parenting and Special Education Research Unit, KU Leuven, Belgium
- Leuven Brain Institute, KU Leuven, Belgium
| | - Maaike Vandermosten
- Leuven Brain Institute, KU Leuven, Belgium
- Experimental ORL, Department of Neurosciences, KU Leuven, Belgium
| | - Bert De Smedt
- Parenting and Special Education Research Unit, KU Leuven, Belgium
- Leuven Brain Institute, KU Leuven, Belgium
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Xiao W, Jiang Z. Multiple object tracking training affects the executive function in basketball players: the role of instant feedback. BMC Psychol 2024; 12:417. [PMID: 39085918 PMCID: PMC11293194 DOI: 10.1186/s40359-024-01931-2] [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: 01/26/2024] [Accepted: 07/29/2024] [Indexed: 08/02/2024] Open
Abstract
BACKGROUND The present study aims to investigate the potential impact of eight sessions of Multiple Object Tracking (MOT) training on the executive function in basketball players. The purpose of the study was primarily to observe the effects of MOT training with and without feedback on the executive function of basketball players. METHODS A sample of fifty-eight participants was selected from college students enrolled in a university basketball special selection class. The participants were divided into three equal groups. The first group received MOT training with instant feedback and was called feedback group, the second group received MOT training without instant feedback and was called no feedback group, and the third group did not receive any intervention and was called control group. RESULTS After eight sessions of MOT training, feedback group demonstrated the best performance in the Go/No-go task and the 3-back task. After eight sessions of MOT training, there was no significant difference in test scores on the Stroop task between the feedback and no feedback groups. There was also no significant difference in test scores between the feedback and no feedback groups on the 2-back task after eight sessions of MOT training. The findings of this study suggest that MOT training can effectively enhance the executive function of basketball players. CONCLUSIONS MOT training was found to enhance the executive function of basketball players, irrespective of whether they received instant feedback. However, the feedback group exhibited superior improvements in the Go/No-go task and the 3-back task.
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Affiliation(s)
- Wei Xiao
- School of Physical Education, Yancheng Institute of Technology, Yancheng, China.
| | - Zhidong Jiang
- Aviation Physical Education Department, Aviation University of Air Force, Changchun, China
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Hu Q, Zhou Y, Xu C, Xu C, Hu F, English AS, Buschkuehl M, Jaeggi SM, Zhang Q. The Relationship between Socioeconomic Status and Academic Achievement is Mediated and Moderated by Executive Functions. J Youth Adolesc 2024; 53:1593-1604. [PMID: 38282065 DOI: 10.1007/s10964-024-01941-8] [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: 09/26/2023] [Accepted: 01/10/2024] [Indexed: 01/30/2024]
Abstract
Executive function is an underlying mechanism linking family socioeconomic status (SES) and academic achievement. Previous studies mainly investigated either the mediating or moderating role of executive function within this relationship, which either overlook the individual differences that are independent of the environment or neglect the influence of the environment on shaping personal factors. To avoid a piecemeal approach to theory, the current study aimed to test the mediating and moderating roles of executive function in a single analytic model. Two hundred and thirty-six Chinese fifth graders (Mage = 10.70 years, SD = 0.49, range = 10.23-11.75 years, and 40.30% girls) were recruited. Their executive function performance was measured using eight different tasks, and their Chinese literacy skills and mathematics achievement were assessed by routine school evaluations. One year after the initial assessment, children's academic achievements were evaluated again. Results demonstrated that parental SES positively predicted children's academic achievement when controlling for prior academic achievement, and children's executive function mediated this relationship. Also, executive function moderated the association between SES and academic achievement in that, the negative predictive effect of low SES on academic achievement was only significant for children with lower levels of executive function, which is not shown in children with higher levels of executive function. By demonstrating the dual roles of executive function in the SES-achievement link, this work provides evidence for supporting the optimal development of children from diverse socioeconomic backgrounds and emphasizes the significance of developing individualized intervention strategies on executive function to mitigate the negative effect of low SES on children's academic achievement.
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Affiliation(s)
- Qiong Hu
- Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou, China
| | - Yanlin Zhou
- Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou, China
| | - Canmei Xu
- Faculty of Psychology and Educational Sciences, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Cihua Xu
- School of Philosophy, Zhejiang University, Hangzhou, China
| | | | | | | | | | - Qiong Zhang
- Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou, China.
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Huang Y, Liu Y, Hu Q, Zhang Q. Impaired Reactive Control But Preserved Proactive Control in Hyperactive Children. J Atten Disord 2024:10870547241261536. [PMID: 38915201 DOI: 10.1177/10870547241261536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
OBJECTIVE To examine the manifestation of cognitive control deficit of children with different levels of hyperactivity, an "at risk" dimension for ADHD. METHOD A group of children with high hyperactivity (N = 40) and another group of children with low levels of hyperactivity (N = 38) performed a modified stop-signal anticipation task, a revised Go/NoGo task, and the AX-continuous performance test (AX-CPT). RESULTS Children with higher levels of hyperactivity displayed: (1) significantly prolonged stop signal reaction time (SSRT) in the modified stop-signal anticipation task; (2) no notable differences in commission errors in the revised Go/NoGo task; (3) increased reaction time (RT) in stop-signal task and Go/NoGo task with increased probabilities of stop or NoGo signal; and (4) positive proactive behavioral index scores in AX-CPT. CONCLUSION The results suggested that children with heightened hyperactivity exhibited impaired reactive control, especially for responses already underway, but preserved proactive control. Further studies concerning these children are warranted.
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Affiliation(s)
| | - Yifan Liu
- Zhejiang University, Hangzhou, China
| | - Qiong Hu
- Zhejiang University, Hangzhou, China
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Dai DWT, Brown GTL, Franke N, Gamble GD, McKinlay CJD, Nivins S, Shah R, Wouldes TA, Harding JE. Stability of executive function in children born at risk of neonatal hypoglycemia. Child Neuropsychol 2023:1-20. [PMID: 38010710 PMCID: PMC11128537 DOI: 10.1080/09297049.2023.2285391] [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: 04/26/2023] [Accepted: 11/14/2023] [Indexed: 11/29/2023]
Abstract
Executive function plays an important role in promoting learning and social-emotional development in children. Neonatal hypoglycemia associates with executive function difficulties at 4.5 years, but little is known about the development of executive function over time in children born at risk of neonatal hypoglycemia. We aimed to describe the stability of executive function from early to mid-childhood in children born at risk of neonatal hypoglycemia and its association with neonatal hypoglycemia. Participants in a prospective cohort study of infants born at risk for neonatal hypoglycemia were assessed at ages 2, 4.5, and 9-10 years. We assessed executive function with batteries of performance-based and questionnaire-based measures, and classified children into one of four stability groups (persistent typical, intermittent typical, intermittent difficulty, and persistent difficulty) based on dichotomized scores (typical versus low at each age). Multinomial logistic regression was used to determine the associations between neonatal hypoglycemia and executive function stability groups. Three hundred and nine children, of whom 197 (64%) experienced neonatal hypoglycemia were assessed. The majority of children had stable and typical performance-based (63%) and questionnaire-based (68%) executive function across all three ages. Around one-third (30-36%) of children had transient difficulties, and only a few (0.3-1.9%) showed persistent difficulties in executive function at all ages. There was no consistent evidence of an association between neonatal hypoglycemia and the stability of executive function. Neonatal hypoglycemia does not appear to predict a specific pattern of development of executive function in children born at risk.
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Affiliation(s)
- Darren W T Dai
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Gavin T L Brown
- Faculty of Education and Social Work, University of Auckland, Auckland, New Zealand
| | - Nike Franke
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Gregory D Gamble
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Christopher J D McKinlay
- Department of Paediatrics, Child and Youth Health, University of Auckland, Auckland, New Zealand
- Kidz First Neonatal Care, Counties Manukau Health, Auckland, New Zealand
| | - Samson Nivins
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Rajesh Shah
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Trecia A Wouldes
- Department of Psychological Medicine, University of Auckland, Auckland, New Zealand
| | - Jane E Harding
- Liggins Institute, University of Auckland, Auckland, New Zealand
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Training and asymmetrical transfer effects of working memory and inhibitory control in primary school children. J Exp Child Psychol 2023; 227:105603. [PMID: 36508931 DOI: 10.1016/j.jecp.2022.105603] [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: 06/08/2022] [Revised: 11/18/2022] [Accepted: 11/21/2022] [Indexed: 12/13/2022]
Abstract
Working memory (WM) and inhibitory control (IC) are two fundamental and supportive components of executive function (EF) that are critical for school-age children. However, the direct comparison of the training and transfer effects of WM and IC training in school-age children still needs to be improved. This study adopted a "pre-, post-, and delayed posttest" design to compare the training, near-transfer, and far-transfer effects of WM and IC in school-age children. A total of 60 children aged 8 to 10 years were randomly assigned to the WM training group, IC training group, or control group. Children in the WM and IC training groups completed 12 sessions of multiple adaptive training tasks tapping different subcomponents of WM (visual-spatial and verbal WM) and IC (interference control and response inhibition) separately. In the pretraining, posttraining, and 6-month follow-up stages, we used WM and IC tasks to evaluate training and near-transfer effects and used analogical reasoning tasks to evaluate far-transfer effects. Results showed significant training effects on visual-spatial and verbal WM, near-transfer effects on response inhibition, and far-transfer effects on analogical reasoning for WM training in the posttraining stage. The improvements in verbal WM and analogical reasoning were maintained for 6 months, whereas for IC training only the training effects on response inhibition and the far-transfer effects on analogical reasoning were observed in the posttraining stage and only the training effects on response inhibition were maintained for 6 months. Results suggested positive training and asymmetrical transfer effects of WM and IC training, which provide new evidence for the effectiveness of WM and IC training in school-age children.
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Poon K, Ho MS, Chou KL. Executive functions as mediators between socioeconomic status and academic performance in Chinese school-aged children ☆. Heliyon 2022; 8:e11121. [PMID: 36339996 PMCID: PMC9626878 DOI: 10.1016/j.heliyon.2022.e11121] [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: 04/08/2022] [Revised: 06/09/2022] [Accepted: 10/12/2022] [Indexed: 11/06/2022] Open
Abstract
Background It is well-documented that socioeconomic status (SES) and academic performance in school-aged children are closely related. However, little is known about how the three core executive functions (EFs), inhibition, working memory, and cognitive flexibility, mediate the association between the two. Moreover, most previous studies examined SES disparities in Western countries, how such disparities in EF and academic performance manifest in the Chinese context, where a distinctive EF profile and learning experience are observed, remains uncertain. The current study explored: (1) the mediating effects of the three core EFs in the association between SES and academic performance; and (2) the differences in EF and academic performance in three core subjects between Chinese children who are below and above the poverty line. Methods Of the 385 students sampled, 205 are in the low-SES group and 180 are in the middle-high SES group. Results A structural equation model showed that the SES-academic performance relationship was fully mediated by cognitive flexibility and working memory but not inhibition. Working memory was a much stronger mediator than cognitive flexibility, suggesting that working memory may correlate with childhood SES and academic performance in Chinese children. An analysis of covariance suggested that compared to the middle-high SES group, the low-SES group demonstrated poorer working memory and academic performance in all three subjects after controlling for age and IQ. Interestingly, children with low-SES were found to have better cognitive flexibility than children with middle-high SES. Conclusions These findings suggest that interventions targeting working memory may be an important area to improve children's academic performance. This study examined (1) the mediating effects of executive function in the association between socioeconomic status and academic performance; and (2) the differences in executive function and academic performance in three core subjects between Chinese children who are below and above the poverty line. Both socioeconomic status groups exhibited differences in cognitive flexibility, working memory, and academic performance in all three core subjects. The socioeconomic status-achievement relationship was mediated by cognitive flexibility and working memory but not inhibition. Working memory was a stronger mediator than cognitive flexibility in explaining academic performance.
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Affiliation(s)
- Kean Poon
- School of Education, University of New South Wales, Sydney, Australia,Department of Special Education and Counselling, The Education University of Hong Kong, Hong Kong,Corresponding author.
| | - Mimi S.H. Ho
- Department of Special Education and Counselling, The Education University of Hong Kong, Hong Kong
| | - Kee-Lee Chou
- Department of Asian and Policy Studies, The Education University of Hong Kong, Hong Kong
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Jiang H, Johnstone SJ, Lu J. Comparing the Efficacy of Two School-Based Approaches of Neurocognitive Training for Enhancing Executive Functions. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9101501. [PMID: 36291437 PMCID: PMC9601256 DOI: 10.3390/children9101501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/29/2022] [Accepted: 09/29/2022] [Indexed: 11/16/2022]
Abstract
Neurocognitive training has been shown to improve a range of cognitive/executive functions and behavior in children. Delivering this training in a school context may enhance its ecological validity and improve training outcomes. The current study examined the efficacy of two school-based neurocognitive training approaches for enhancing executive functions (EF) in typically developing children: neurocognitive training with no teacher positive feedback (NCT), and neurocognitive training with teacher positive feedback (NCT-TPF). Using a randomized control design, 45 children were randomly allocated to the no-training control, NCT, or NCT-TPF group and completed pre- and post-training assessments on the core executive function (EF) domains of inhibitory control, working memory, and task switching. Teachers' subjective acceptance of the two training protocols was investigated to explore potential ecological validity. The two training groups completed six sessions of training in a kindergarten over a 3-week period. The results showed significant post-training improvements in an untrained inhibitory control task for both training groups when compared with the control group. Different effects were found for each group for the untrained task switching task. While reduced reaction time (RT) in correct Color and Shape trials at Time 2 were reported for the NCT-TPF group, there was no difference compared to the control group for the NCT group. The NCT group showed increased RT in Switch trials but reduced Shape errors compared to controls at Time 2, while these effects were not significant for the NCT-TPF group. An unexpected outcome was that children in both training conditions did not show a significant improvement in an untrained working memory task. Teachers' subjective acceptance consistently supported including positive feedback as part of NCT. While further research is needed, these results support use of neurocognitive training and/or neurocognitive training with teacher positive feedback for typically developing children in a school context.
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Affiliation(s)
- Han Jiang
- School of Special Education, Zhejiang Normal University, Hangzhou 311231, China
- Correspondence:
| | - Stuart J. Johnstone
- School of Psychology, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Jinjin Lu
- Department of Educational Studies, Xi’an Jiaotong-Liverpool University, Suzhou 215123, China
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Pahor A, Seitz AR, Jaeggi SM. Near transfer to an unrelated N-back task mediates the effect of N-back working memory training on matrix reasoning. Nat Hum Behav 2022; 6:1243-1256. [PMID: 35726054 DOI: 10.1038/s41562-022-01384-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 05/10/2022] [Indexed: 02/04/2023]
Abstract
The extent to which working memory training improves performance on untrained tasks is highly controversial. Here we address this controversy by testing the hypothesis that far transfer may depend on near transfer using mediation models in three separate randomized controlled trials (RCTs). In all three RCTs, totalling 460 individuals, performance on untrained N-back tasks (near transfer) mediated transfer to Matrix Reasoning (representing far transfer) despite the lack of an intervention effect in RCTs 2 and 3. Untrained N-back performance also mediated transfer to a working memory composite, which showed a significant intervention effect (RCT 3). These findings support a model of N-back training in which transfer to untrained N-back tasks gates further transfer (at least in the case of working memory at the construct level) and Matrix Reasoning. This model can help adjudicate between the many studies and meta-analyses of working memory training that have provided mixed results but have not examined the relationship between near and far transfer on an individual-differences level.
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Affiliation(s)
- Anja Pahor
- School of Education, University of California, Irvine, Irvine, CA, USA.
- Department of Psychology, University of California, Riverside, Riverside, CA, USA.
- Department of Psychology, University of Maribor, Maribor, Slovenia.
| | - Aaron R Seitz
- Department of Psychology, University of California, Riverside, Riverside, CA, USA
| | - Susanne M Jaeggi
- School of Education, University of California, Irvine, Irvine, CA, USA
- Department of Cognitive Sciences, University of California, Irvine, Irvine, CA, USA
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Kasneci E, Kasneci G, Trautwein U, Appel T, Tibus M, Jaeggi SM, Gerjets P. Do your eye movements reveal your performance on an IQ test? A study linking eye movements and socio-demographic information to fluid intelligence. PLoS One 2022; 17:e0264316. [PMID: 35349582 PMCID: PMC8963570 DOI: 10.1371/journal.pone.0264316] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 02/08/2022] [Indexed: 11/30/2022] Open
Abstract
Understanding the main factors contributing to individual differences in fluid intelligence is one of the main challenges of psychology. A vast body of research has evolved from the theoretical framework put forward by Cattell, who developed the Culture-Fair IQ Test (CFT 20-R) to assess fluid intelligence. In this work, we extend and complement the current state of research by analysing the differential and combined relationship between eye-movement patterns and socio-demographic information and the ability of a participant to correctly solve a CFT item. Our work shows that a participant’s eye movements while solving a CFT item contain discriminative information and can be used to predict whether the participant will succeed in solving the test item. Moreover, the information related to eye movements complements the information provided by socio-demographic data when it comes to success prediction. In combination, both types of information yield a significantly higher predictive performance than each information type individually. To better understand the contributions of features related to eye movements and socio-demographic information to predict a participant’s success in solving a CFT item, we employ state-of-the-art explainability techniques and show that, along with socio-demographic variables, eye-movement data. Especially the number of saccades and the mean pupil diameter, significantly increase the discriminating power. The eye-movement features are likely indicative of processing efficiency and invested mental effort. Beyond the specific contribution to research on how eye movements can serve as a means to uncover mechanisms underlying cognitive processes, the findings presented in this work pave the way for further in-depth investigations of factors predicting individual differences in fluid intelligence.
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Affiliation(s)
- Enkelejda Kasneci
- Human-Computer Interaction, Department of Computer Science, University of Tübingen, Tübingen, Germany
- * E-mail:
| | - Gjergji Kasneci
- Data Science and Analytics, Department of Computer Science, University of Tübingen, Tübingen, Germany
| | - Ulrich Trautwein
- Hector Research Institute of Education Sciences and Psychology, University of Tübingen, Tübingen, Germany
| | - Tobias Appel
- Hector Research Institute of Education Sciences and Psychology, University of Tübingen, Tübingen, Germany
| | - Maike Tibus
- Hector Research Institute of Education Sciences and Psychology, University of Tübingen, Tübingen, Germany
| | - Susanne M. Jaeggi
- School of Education, University of California, Irvine, CA, United States of America
| | - Peter Gerjets
- Leibniz-Institut für Wissensmedien, Tübingen, Germany
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Cognitive Training in the Domain of Mathematics for Potentially Gifted Children in Primary School. EDUCATION SCIENCES 2022. [DOI: 10.3390/educsci12020127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This study examined auditive and visual working memory and metacognitive knowledge in 92 gifted children (aged between eight and twelve), utilising a pre-test-training-post-test design, known as the cognitive training design. This approach was used to examine the working memory and metacognitive knowledge of gifted children concerning the progression after a cognitive training programme in arithmetical problem solving, taking into account the role of intelligence. Children were allocated to one of two experimental conditions: children received training after the pre-test (cognitive training condition) or were provided with training after the post-test (control condition). The results show that all children made significant improvements in working memory and metacognition. Intelligence significantly predicted verbal and visual working memory. However, we did not find a meaningful relationship between intelligence and metacognitive knowledge. The cognitive training in arithmetical problem solving seems to bring additional measurable changes in metacognitive knowledge, but not in working memory.
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Kim J, Li L, Korous KM, Valiente C, Tsethlikai M. Chronic stress predicts post-traumatic stress disorder symptoms via executive function deficits among urban American Indian children. Stress 2022; 25:97-104. [PMID: 35037551 DOI: 10.1080/10253890.2021.2024164] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
Little is known about how chronic exposure to stress affects mental health among American Indian (AI) children. The current study aimed to fill this gap by exploring if hair cortisol concentration (HCC), an indicator of chronic stress, predicted post-traumatic stress disorder (PTSD) symptoms through deficits in executive function (EF) skills commonly referred to as inhibitory control, working memory, and cognitive flexibility. A total of 163 urban AI children between 8- and 15-years old participated in the study (92 girls, 56.4%; Mage = 11.19, SD = 1.98). Chronic stress was measured as the concentration of cortisol in children's hair. EF deficits and PTSD symptoms were reported by primary caregivers using the Behavior Rating Inventory of Executive Function and the Trauma Symptom Checklist for Young Children. The results demonstrated that higher HCC was indirectly associated with more PTSD symptoms through deficits in EF skills. Specifically, higher levels of HCC were related to more symptoms of PTSD arousal through impaired working memory, and more symptoms of PTSD avoidance and Intrusion through deficits in cognitive flexibility. The findings suggest interventions that reduce or buffer chronic stress, or that focus on improving EF skills, may promote not only cognitive development but also the mental health of AI children.
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Affiliation(s)
- Juyoung Kim
- School of Social and Family Dynamics, Arizona State University, Tempe, AZ, USA
| | - Longfeng Li
- School of Social and Family Dynamics, Arizona State University, Tempe, AZ, USA
| | - Kevin M Korous
- School of Social and Family Dynamics, Arizona State University, Tempe, AZ, USA
| | - Carlos Valiente
- School of Social and Family Dynamics, Arizona State University, Tempe, AZ, USA
| | - Monica Tsethlikai
- School of Social and Family Dynamics, Arizona State University, Tempe, AZ, USA
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Zhou Y, Yu NX, Dong P, Zhang Q. Stressful life events and children's socioemotional difficulties: Conditional indirect effects of resilience and executive function. J Exp Child Psychol 2021; 216:105345. [PMID: 34968743 DOI: 10.1016/j.jecp.2021.105345] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 12/03/2021] [Accepted: 12/03/2021] [Indexed: 11/16/2022]
Abstract
Although the association between life stress and children's socioemotional difficulties has been widely documented, few studies have adopted a cognitive-based resilience framework studying preadolescent psychosocial adjustment. This study examined whether the stress-difficulties associations are mediated by resilience and moderated by executive function (EF). A sample of 144 typically developing Chinese children (aged 10-12 years) completed measures assessing stressful life events, socioemotional difficulties, resilience, and computer-based EF (including working memory [WM] capacity and WM updating, inhibitory control, and cognitive flexibility). The results showed that stressful life events were positively associated with socioemotional difficulties through the mediating effect of diminished resilience. The direct and indirect effects of stressful life events on socioemotional difficulties varied across individual differences in EF. Specifically, compared with low to medium levels, high-level WM capacity and WM updating moderated the association between stressful life events and socioemotional difficulties. Cognitive flexibility moderated both direct and indirect effects, showing that for children with low to medium levels of cognitive flexibility, life stress was positively associated with socioemotional difficulties via the role of lower resilience; however, for those with high levels of cognitive flexibility, the direct and indirect effects were not significant. Inhibitory control showed significant direct associations with resilience and socioemotional difficulties but failed to be a moderator. The characteristics of the low-stress sample might limit the generalizability of this study. Nevertheless, our findings provide a rationale for integrating a cognitive-based resilience process and the multifaceted structure of EF to understand and promote preadolescents' positive adaptation.
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Affiliation(s)
- Yanlin Zhou
- Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou 310028, China; Department of Social and Behavioral Sciences, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region
| | - Nancy Xiaonan Yu
- Department of Social and Behavioral Sciences, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region
| | - Peiqi Dong
- Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou 310028, China
| | - Qiong Zhang
- Department of Psychology and Behavioral Sciences, Zhejiang University, Hangzhou 310028, China.
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15
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Lund T, Pavlova M, Kennedy M, Graham SA, Peterson C, Dick B, Noel M. Father- and Mother-Child Reminiscing About Past Pain and Young Children's Cognitive Skills. J Pediatr Psychol 2021; 46:757-767. [PMID: 33693798 DOI: 10.1093/jpepsy/jsab006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 11/09/2020] [Accepted: 01/15/2021] [Indexed: 11/13/2022] Open
Abstract
Objective Painful experiences are common, distressing, and salient in childhood. Parent-child reminiscing about past painful experiences is an untapped opportunity to process pain-related distress and, similar to reminiscing about other distressing experiences, promotes children's broader development. Previous research has documented the role of parent-child reminiscing about past pain in children's pain-related cognitions (i.e., memories for pain), but no study to date has examined the association between parent-child reminiscing about past painful experiences and children's broader cognitive skills. Design and Methods One hundred and ten typically developing four-year-old children and one of their parents reminisced about a past painful autobiographical event. Children then completed two tasks from the NIH Toolbox Cognitive Battery, the Flanker Inhibitory Control & Attention Test and the Picture Sequence Memory Test, to measure their executive function and episodic memory, respectively. Results Results indicated that the relation between parental reminiscing style and children's executive function was moderated by child sex, such that less frequent parental use of yes-no repetition questions was associated with boys' but not girls', greater performance on the executive function task. Children displayed greater episodic memory performance when their parents reminisced using more explanations. Conclusions The current study demonstrates the key role of parent-child reminiscing about pain in children's broader development and supports the merging of developmental and pediatric psychology fields. Future longitudinal research should examine the directionality of the relation between parent-child reminiscing about past pain and children's developmental outcomes.
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Affiliation(s)
| | | | | | - Susan A Graham
- Owerko Centre and Department of Psychology, Alberta Children's Hospital Research Institute, Hotchkiss Brain Institute, University of Calgary
| | - Carole Peterson
- Department of Psychology, Memorial University of Newfoundland
| | - Bruce Dick
- Department of Anesthesiology and Pain Medicine, University of Alberta
| | - Melanie Noel
- Department of Psychology, University of Calgary; Alberta Children's Hospital Research Institute, Hotchkiss Brain Institute; Owerko Centre
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16
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Kim MH, Ahmed SF, Morrison FJ. The Effects of Kindergarten and First Grade Schooling on Executive Function and Academic Skill Development: Evidence From a School Cutoff Design. Front Psychol 2021; 11:607973. [PMID: 33584442 PMCID: PMC7874223 DOI: 10.3389/fpsyg.2020.607973] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 12/21/2020] [Indexed: 01/08/2023] Open
Abstract
Early executive function (EF) skills reliably predict school readiness and future academic success. While children's skills undergo rapid development during the transition to formal schooling, it remains unclear the extent to which schooling exerts a unique influence on the accelerated development of EF and academic skills during the early years of schooling. In the present study, a quasi-experimental technique known as the school cutoff design was used to examine whether same-aged children who made vs. missed the age cutoff for school entry significantly differed on EF, reading, and math outcomes. Data from 166 pre-k, kindergarten, and first grade children (Range = 3.75-7.58 years, 92 girls) from a longitudinal study of literacy development were analyzed. Children were assessed on EF, reading, and math skills in fall and spring. Results revealed unique effects of kindergarten, but not first grade, on growth in EF and reading over and above the effect of age. Schooling was unrelated to growth in math. Because kindergarten represents the first year of elementary school and children's first exposure to a formal schooling environment, kindergarten schooling may be uniquely positioned to produce greater gains in academic and behavioral outcomes compared to other grades.
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Affiliation(s)
- Matthew H Kim
- Department of Psychology, University of Kentucky, Lexington, KY, United States
| | - Sammy F Ahmed
- Institute for Social Research, University of Michigan, Ann Arbor, MI, United States
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17
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Cao Y, Huang T, Huang J, Xie X, Wang Y. Effects and Moderators of Computer-Based Training on Children's Executive Functions: A Systematic Review and Meta-Analysis. Front Psychol 2020; 11:580329. [PMID: 33324291 PMCID: PMC7726355 DOI: 10.3389/fpsyg.2020.580329] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 10/06/2020] [Indexed: 01/04/2023] Open
Abstract
Computer-based training has attracted increasing attention from researchers in recent years. Several studies have found that computer-based training resulted in improved executive functions (EFs) in adults. However, it remains controversial whether children can benefit from computer-based training and what moderator could influence the training effects. The focus of the present meta-analysis was to examine the effects of computer-based training on EFs in children: working memory, cognitive flexibility, and inhibitory control. A thorough search of published work yielded a sample of 36 studies with 216 effect sizes. The results indicated that computer-based training showed moderate training effects on improving EFs in children (g = 0.35, k = 36, p < 0.001), while training effects of working memory were significantly higher. Furthermore, we found near-transfer effects were marginally significantly higher than far-transfer effects. The standard training method was significantly more effective than training with game elements. In computer-based training, typically developing children had significantly better training effects than atypically developing children. Some additional factors, such as the number of training sessions and age, also modulated the training effects. In conclusion, the present study investigated the effects and moderators of computer-based training for children's EFs. The results provided evidence that computer-based training (especially standard training) may serve as an efficient way to improve EFs in children (especially typically developing individuals). We also discussed some directions for future computer-based training studies.
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Affiliation(s)
- Yifei Cao
- School of Psychology, Northeast Normal University, Changchun, China
| | - Ting Huang
- School of Psychology, Northeast Normal University, Changchun, China
| | - Jipeng Huang
- School of Psychology, Northeast Normal University, Changchun, China
| | - Xiaochun Xie
- School of Psychology, Northeast Normal University, Changchun, China
| | - Yuan Wang
- School of Psychology, Northeast Normal University, Changchun, China
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18
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Poon K, Ho MSH, Chu PCK, Chou KL. Transferability and sustainability of task-switching training in socioeconomically disadvantaged children: a randomized experimental study. JOURNAL OF COGNITIVE PSYCHOLOGY 2020. [DOI: 10.1080/20445911.2020.1839082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Kean Poon
- Department of Special Education and Counselling, The Education University of Hong Kong, Tai Po, Hong Kong
| | - Mimi S. H. Ho
- Department of Special Education and Counselling, The Education University of Hong Kong, Tai Po, Hong Kong
| | - Patrick C. K. Chu
- Department of Special Education and Counselling, The Education University of Hong Kong, Tai Po, Hong Kong
| | - Kee-Lee Chou
- Department of Asian and Policy Studies, The Education University of Hong Kong, Tai Po, Hong Kong
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19
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Abstract
A belief about education that dates back several millennia is that in addition to imparting specific facts, it hones general cognitive abilities that can be leveraged for future learning. However, this idea has been a source of heated debate over the past century. Here, we focus on the question of whether and when schooling hones reasoning skills. We point to research demonstrating cognitive benefits of both broad and specific educational experiences. We then highlight studies that have begun to elucidate underlying mechanisms of learning. Given our society’s substantial investment in education, it behooves us to understand how best to prepare individuals to participate in the modern workforce and tackle the challenges of daily living.
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Affiliation(s)
- Silvia A. Bunge
- Department of Psychology, University of California, Berkeley
- Helen Wills Neuroscience Institute, University of California, Berkeley
| | - Elena R. Leib
- Department of Psychology, University of California, Berkeley
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20
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Scionti N, Cavallero M, Zogmaister C, Marzocchi GM. Is Cognitive Training Effective for Improving Executive Functions in Preschoolers? A Systematic Review and Meta-Analysis. Front Psychol 2020; 10:2812. [PMID: 31998168 PMCID: PMC6965160 DOI: 10.3389/fpsyg.2019.02812] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 11/29/2019] [Indexed: 11/13/2022] Open
Abstract
In the present meta-analysis, we examined the effect of cognitive training on the Executive Functions (EFs) of preschool children (age range: 3–6 years). We selected a final set of 32 studies from 27 papers with a total sample of 123 effect sizes. We found an overall effect of cognitive training for improving EF (g = 0.352; k = 123; p < 0.001), without significant difference between near and far transfer effects on executive domains. No significant additional outcome effects were found for behavioral- and learning-related outcomes. Cognitive training programs for preschoolers are significantly more effective for developmentally at-risk children (ADHD or low socio-economic status) than for children with typical development and without risks. Other significant moderators were: individual vs. group sessions and length of training. The number of sessions and computerized vs. non-computerized training were not significant moderators. This is the first demonstration of cognitive training for transfer effects among different executive processes. We discuss this result in relationship to the lower level of modularization of EFs in younger children.
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Affiliation(s)
- Nicoletta Scionti
- Department of Psychology, University of Milan - Bicocca, Milan, Italy
| | - Marina Cavallero
- Department of Psychology, University of Milan - Bicocca, Milan, Italy
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21
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Arfé B, Vardanega T, Montuori C, Lavanga M. Coding in Primary Grades Boosts Children's Executive Functions. Front Psychol 2019; 10:2713. [PMID: 31920786 PMCID: PMC6917597 DOI: 10.3389/fpsyg.2019.02713] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Accepted: 11/18/2019] [Indexed: 11/13/2022] Open
Abstract
Several programs have been developed worldwide to improve children’s executive functions (EFs). Yet, the role played in EF development by learning activities embedded in the school curriculum has received scarce attention. With two studies, we recently tested the effects of computational thinking (CT) and coding—a new element of the primary school curriculum—on the development of children’s EFs. CT stimulates the ability to define a clear and orderly sequence of simple and well-specified steps to solve a complex problem. We conjecture that CT skills are associated to such EF processes as response inhibition and planning. In a first between-group cluster-randomized controlled trial, we tested the effects of 1-month coding activities on 76 first graders’ planning and response inhibition against those of 1-month standard STEM activities of a control group. In a second study, we tested the effects of 1-month coding activities of 17 second graders in two ways: within group (longitudinally), against 7 months of standard activities experienced by the same children (experimental group); and between groups, in comparison to the effects of standard STEM activities in a control group of 19 second graders. The results of the two studies show significant benefits of learning to code: children exposed to coding improved significantly more in planning and inhibition tasks than control children did. The longitudinal data showed that improvements in planning and inhibition skills after 1 month of coding activities (eight lessons) were equivalent to or greater than the improvement attained after 7 months of standard activities. These findings support the hypothesis that learning CT via coding can significantly boost children’s spontaneous development of EFs.
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Affiliation(s)
- Barbara Arfé
- Department of Developmental Psychology and Socialization, University of Padova, Padua, Italy
| | | | - Chiara Montuori
- Department of Developmental Psychology and Socialization, University of Padova, Padua, Italy
| | - Marta Lavanga
- Department of Developmental Psychology and Socialization, University of Padova, Padua, Italy
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22
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Ramani GB, Daubert EN, Lin GC, Kamarsu S, Wodzinski A, Jaeggi SM. Racing dragons and remembering aliens: Benefits of playing number and working memory games on kindergartners' numerical knowledge. Dev Sci 2019; 23:e12908. [PMID: 31587470 DOI: 10.1111/desc.12908] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 08/21/2019] [Accepted: 09/27/2019] [Indexed: 11/28/2022]
Abstract
Sources that contribute to variation in mathematical achievement include both numerical knowledge and general underlying cognitive processing abilities. The current study tested the benefits of tablet-based training games that targeted each of these areas for improving the mathematical knowledge of kindergarten-age children. We hypothesized that playing a number-based game targeting numerical magnitude knowledge would improve children's broader numerical skills. We also hypothesized that the benefits of playing a working memory (WM) game would transfer to children's numerical knowledge given its important underlying role in mathematics achievement. Kindergarteners from diverse backgrounds (n = 148; 52% girls; Mage = 71.87 months) were randomly assigned to either play a number-based game, a WM game, or a control game on a tablet for 10 sessions. Structural equation modeling was used to model children's learning gains in mathematics and WM across time. Overall, our results suggest that playing the number game improved kindergarten children's numerical knowledge at the latent level, and these improvements remained stable as assessed 1 month later. However, children in the WM group did not improve their numerical knowledge compared to children in the control condition. Playing both the number game and WM game improved children's WM at the latent level. Importantly, the WM group continued to improve their WM for at least a month after playing the games. The results demonstrate that computerized games that target both domain-specific and domain-general skills can benefit a broad range of kindergarten-aged children.
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Affiliation(s)
- Geetha B Ramani
- Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD, USA
| | - Emily N Daubert
- Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD, USA
| | - Grace C Lin
- School of Education, University of California, Irvine, Irvine, CA, USA
| | - Snigdha Kamarsu
- School of Education, University of California, Irvine, Irvine, CA, USA
| | - Alaina Wodzinski
- Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD, USA
| | - Susanne M Jaeggi
- School of Education, University of California, Irvine, Irvine, CA, USA
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23
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Morrison FJ, Kim MH, Connor CM, Grammer JK. The Causal Impact of Schooling on Children’s Development: Lessons for Developmental Science. CURRENT DIRECTIONS IN PSYCHOLOGICAL SCIENCE 2019. [DOI: 10.1177/0963721419855661] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Entry into formal schooling is a signature developmental milestone for young children and their families and represents an important period of cognitive, social, and emotional development. Until recently, few researchers have attempted to isolate the unique impact of schooling on children’s developmental and academic outcomes. The application of quasiexperimental methods has provided researchers with the tools to examine when and how schooling shapes children’s development. In this article, we summarize three main insights from this work: (a) Schooling produces major, unique changes in children’s growth across a wide range of psychological processes important for learning; (b) the effects of schooling are not universal across all domains; and (c) schooling impacts cognitive processes that are not explicitly taught. We also propose that a deeper look at classroom instruction and brain development can expand our understanding of how schooling influences academic success and positive life outcomes and provide a model for developmental science more broadly.
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Affiliation(s)
| | - Matthew H. Kim
- Institute for Learning and Brain Sciences, University of Washington
| | - Carol M. Connor
- School of Social Sciences, Department of Language Science, University of California, Irvine
| | - Jennie K. Grammer
- Department of Education, Graduate School of Education and Information Studies, University of California, Los Angeles
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24
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Narrowing the achievement gap in low-achieving children by targeted executive function training. JOURNAL OF APPLIED DEVELOPMENTAL PSYCHOLOGY 2019. [DOI: 10.1016/j.appdev.2019.06.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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25
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Duckworth AL, Milkman KL, Laibson D. Beyond Willpower: Strategies for Reducing Failures of Self-Control. Psychol Sci Public Interest 2018; 19:102-129. [PMID: 30760176 DOI: 10.1177/1529100618821893] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Almost everyone struggles to act in their individual and collective best interests, particularly when doing so requires forgoing a more immediately enjoyable alternative. Other than exhorting decision makers to "do the right thing," what can policymakers do to reduce overeating, undersaving, procrastination, and other self-defeating behaviors that feel good now but generate larger delayed costs? In this review, we synthesize contemporary research on approaches to reducing failures of self-control. We distinguish between self-deployed and other-deployed strategies and, in addition, between situational and cognitive intervention targets. Collectively, the evidence from both psychological science and economics recommends psychologically informed policies for reducing failures of self-control.
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Affiliation(s)
| | - Katherine L Milkman
- 2 Operations, Information and Decisions Department, The Wharton School of the University of Pennsylvania
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