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Rozencwajg, Paulette; Schaeffer, Olivier; Lefebvre, Virginie – Learning and Individual Differences, 2010
The main objective of this study was to examine how quantitative knowledge ("Gq" in the CHC model) and processing speed ("Gs" in the CHC model) affect scores on the WAIS-III Arithmetic Subtest (Wechsler, 2000) with aging. Two age groups were compared: 30 young adults and 25 elderly adults. For both age groups, "Gq" was an important predictor of…
Descriptors: Young Adults, Older Adults, Arithmetic, Computation
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Seethaler, Pamela M.; Fuchs, Lynn S.; Star, Jon R.; Bryant, Joan – Learning and Individual Differences, 2011
The purpose of the present study was to explore the 3rd-grade cognitive predictors of 5th-grade computational skill with rational numbers and how those are similar to and different from the cognitive predictors of whole-number computational skill. Students (n=688) were assessed on incoming whole-number calculation skill, language, nonverbal…
Descriptors: Numbers, Short Term Memory, Concept Formation, Grade 5
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Desoete, Annemie; Gregoire, Jacques – Learning and Individual Differences, 2006
A longitudinal study was conducted on 82 children to investigate, firstly the numerical competence of young children and the predictive value of (pre)-numerical tests in kindergarten, and, secondly, whether children's knowledge of the numerical system and representation of the number size is related to their computation and logical knowledge and…
Descriptors: Grade 1, Grade 3, Kindergarten, Young Children