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Rhodes, Katherine T.; Lukowski, Sarah; Branum-Martin, Lee; Opfer, John; Geary, David C.; Petrill, Stephen A. – Journal of Educational Psychology, 2019
The strategy choice model (SCM) is a highly influential theory of human problem-solving. One strength of this theory is the allowance for both item and person variance to contribute to problem-solving outcomes, but this central tenet of the model has not been empirically tested. Explanatory item response theory (EIRT) provides an ideal approach to…
Descriptors: Learning Strategies, Addition, Problem Solving, Item Response Theory
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Hecht, Steven A.; Vagi, Kevin J. – Journal of Educational Psychology, 2010
Results from a 2-year longitudinal study of 181 children from 4th through 5th grade are reported. Levels of growth in children's computation, word problem, and estimation skills by means of common fractions were predicted by working memory, attentive classroom behavior, conceptual knowledge about fractions, and simple arithmetic fluency.…
Descriptors: Student Behavior, Short Term Memory, Grade 4, Grade 5
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Hanich, Laurie B.; Jordan, Nancy C.; Kaplan, David; Dick, Jeanine – Journal of Educational Psychology, 2001
Performance of 210 2nd graders in different areas of mathematical cognition was examined. Children were divided into 4 achievement groups. Although children with difficulties in mathematics performed worse than normally achieving groups in most areas of mathematical cognition, those with difficulty only in mathematics showed an advantage over the…
Descriptors: Academic Ability, Academic Achievement, Children, Cognitive Ability