Behavioral differences have often been noted between blacks and whites. These differences seem to be associated with the perception and interpretation of the environment and the subsequent selection of the appropriate adapting strategies. This is a socialized difference which is best explained by the concept of psychological differentiation or…

This book describes the major differences between men and women in cognitive or problem-solving abilities and discusses the possible biological contributions to such differences. The book argues that sex differences in cognitive patterns and in motor skills arose out of complementary evolutionary histories of men and women and that evidence for…