The influence of culture on cognitive development is well established for school age and older children. But almost nothing is known about how different parenting and socialization practices in different cultures affect infants' and young children's earliest emerging cognitive and social-cognitive skills. In the current monograph, we report a…

In 2 studies, subjects between 7 and 16 years of age indicated predictions for the water level in a tilted container or the position of a plumb line. Found that sex differences were evident at all ages; task performance improved with age according to a discrete stage process; and task performance was determined by field effects and rule strategy.…

Presents a theory of cognitive development that postulates a general cognitive processing system, a hypercognitive system governing self-regulation, and specialized structural systems responsible for processing different reality domains. Suggests five principles that serve as organizational pivots of developing cognition. Reports the results of…

Examined the development of sex typing among 558 children aged 5-12 years. Several measures gathered information on sex typing, children's cognitive maturity, and children's exposure to sex-typed models at home. Found that children's knowledge of stereotypes, flexibility, and sex-typed personal preferences increased with age. Concludes that…

Describes a cross-cultural comparative study of recall memory among children from two Guatemalan towns and one American city. (CM)

Compared the performance of two groups of subjects on psychoeducational tests taken during adolescence and early adulthood. Adolescents who had received a protein supplement when they were infants scored higher on tests of knowledge, numeracy, reading, and vocabulary and showed faster reaction times in information-processing tasks than adolescents…