This study investigated intellectual development in 4-7 years old Greek and Chinese children. They were examined on speeded performance, working memory, reasoning, and self-awareness tasks in order to investigate possible effects of learning the Chinese logographic system on possible differences in intellectual development between these ethnic…

A study involving 90 children (50 preterm and 40 full-term) found continuity in visual recognition memory from early infancy (7 months) to later childhood (11 years), even when other measures of memory at 11 years were controlled. Implications for the study of other types of infant memory are discussed. (SLD)

When adult versions of tests of spatial ability were modified and administered to 94 boys and 99 girls in Norway, results indicated that spatial ability is a more unified trait in boys than in girls, in whom spatial abilities are more heterogeneously organized. (SLD)

Results from a study in which 25 deaf children and 25 hearing children completed a vocabulary test and a compound stimulus visual information task support the hypothesis that performance on cognitive tasks is dependent on compatibility of task demands with a coding orientation. (SLD)

Results of a study involving 15 mentally retarded and 15 nonretarded control subjects matched for mental age suggest that some low-level aspects of person-related (and probably object-related) perception may not involve the same high-level symbolic functions typically employed in intelligence-quotient related functions. (SLD)