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Peer reviewedHoard, Mary K.; Geary, David C.; Hamson, Carmen O. – Mathematical Cognition, 1999
Uses neuropsychological and developmental models of number, counting, and arithmetical skills as well as supporting working memory and speed of articulation systems as the theoretical framework for comparing groups of low- and average-IQ children. Indicates that low-IQ children's conceptual understanding of counting did not differ from that of…
Descriptors: Arithmetic, Computation, Intelligence Differences, Intelligence Quotient
Peer reviewedReilly, Thomas F.; Bullock, Lyndal M. – Behavioral Disorders, 1979
One hundred eighty-eight randomly selected case studies of adjudicated adolescents were analyzed to determine their intellectual levels and the scholastic achievement levels in reading and arithmetic. (CL)
Descriptors: Academic Achievement, Adolescents, Arithmetic, Delinquency
Download full textHolzman, Thomas G.; And Others – 1980
The cognitive determinants of number analogy performance were studied by systematically manipulating the processing demands imposed by the items. To explore sources of developmental differences in analogical reasoning, subjects were included from two age levels, grades 4 and 5 and college. To allow the investigation of individual differences in…
Descriptors: Age Differences, Arithmetic, Cognitive Processes, College Students
