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Vukovic, Rose K.; Fuchs, Lynn S.; Geary, David C.; Jordan, Nancy C.; Gersten, Russell; Siegler, Robert S. – Child Development, 2014
Longitudinal associations of domain-general and numerical competencies with individual differences in children's understanding of fractions were investigated. Children (n = 163) were assessed at 6 years of age on domain-general (nonverbal reasoning, language, attentive behavior, executive control, visual-spatial memory) and numerical (number…
Descriptors: Children, Individual Differences, Mathematics, Arithmetic
Jordan, Nancy C.; Hansen, Nicole; Fuchs, Lynn S.; Siegler, Robert S.; Gersten, Russell; Micklos, Deborah – Grantee Submission, 2013
Developmental predictors of children's fraction concepts and procedures at the end of fourth grade were investigated in a 2-year longitudinal study. Participants were 357 children who started the study in third grade. Attentive behavior, language, nonverbal reasoning, number line estimation, calculation fluency, and reading fluency each…
Descriptors: Elementary School Mathematics, Elementary School Students, Grade 4, Grade 3
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Fuchs, Lynn S.; Malone, Amelia S.; Schumacher, Robin F.; Namkung, Jessica; Hamlett, Carol L.; Jordan, Nancy C.; Siegler, Robert S.; Gersten, Russell; Changas, Paul – Journal of Educational Psychology, 2016
The main purposes of this study were to test the effects of teaching at-risk 4th graders to provide explanations for their mathematics work and examine whether those effects occur by compensating for limitations in cognitive processes. We randomly assigned 212 children to 3 conditions: a control group and 2 variants of a multicomponent fraction…
Descriptors: Grade 4, Elementary School Mathematics, Elementary School Students, Cognitive Processes
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Fuchs, Lynn S.; Malone, Amelia; Schumacher, Robin F.; Namkung, Jessica; Hamlett, Carol L.; Jordan, Nancy C.; Siegler, Robert S.; Gersten, Russell; Changas, Paul – Grantee Submission, 2015
The main purposes of this study were to test the effects of teaching at-risk 4th graders to provide explanations for their mathematics work and examine whether those effects occur by compensating for limitations in cognitive processes. We randomly assigned 212 children to 3 conditions: a control group and 2 variants of a multi-component fraction…
Descriptors: At Risk Students, Elementary School Students, Grade 4, Mathematics Instruction
Fuchs, Lynn S.; Schumacher, Robin F.; Sterba, Sonya K.; Long, Jessica; Namkung, Jessica; Malone, Amelia; Hamlett, Carol L.; Jordan, Nancy C.; Gersten, Russell; Siegler, Robert S.; Changas, Paul – Grantee Submission, 2014
This study investigated whether individual differences in working memory (WM) moderate effects of 2 variations of intervention designed to improve at-risk 4th graders' fraction knowledge. We also examined the effects of each intervention condition against a business-as-usual control group and assessed whether children's measurement interpretation…
Descriptors: Short Term Memory, Mathematics, Intervention, Mathematics Instruction
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Fuchs, Lynn S.; Schumacher, Robin F.; Sterba, Sonya K.; Long, Jessica; Namkung, Jessica; Malone, Amelia; Hamlett, Carol L.; Jordan, Nancy C.; Gersten, Russell; Siegler, Robert S.; Changas, Paul – Journal of Educational Psychology, 2014
This study investigated whether individual differences in working memory (WM) moderate effects of 2 variations of intervention designed to improve at-risk 4th graders' fraction knowledge. We also examined the effects of each intervention condition against a business-as-usual control group and assessed whether children's measurement interpretation…
Descriptors: Short Term Memory, Mathematics, Intervention, Mathematics Instruction
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Fuchs, Lynn S.; Schumacher, Robin F.; Long, Jessica; Namkung, Jessica; Hamlett, Carol L.; Cirino, Paul T.; Jordan, Nancy C.; Siegler, Robert; Gersten, Russell; Changas, Paul – Journal of Educational Psychology, 2013
The purposes of this study were to investigate the effects of an intervention designed to improve at-risk 4th graders' understanding of fractions and to examine the processes by which effects occurred. The intervention focused more on the measurement interpretation of fractions; the control condition focused more on the part-whole interpretation…
Descriptors: Mathematics, At Risk Students, Student Improvement, Intervention