Eighty-four 11-year-olds were grouped in three levels of extraversion on the basis of their Junior Eysenck Personality Inventory score. They were then given an arithmetic test consisting of addition, subtraction, division, and multiplication. A significant interaction between extraversion, sex, and type of operation was found. (Author/CH)

Recent research on sex differences in aggressive styles is reviewed. The concept of indirect aggression in particular is presented and discussed, and it is argued that it is nonsensical to claim that males are more aggressive than females. A theory about development of aggressive behavior styles is presented. (SLD)

A construct labeled "self-silencing" or "loss of voice" as an aspect of female social development is emerging in current literature, and it is postulated that suppression of expression prescribes a more passive and muted role for women and lies at the root of depression in women. This study was a longitudinal project examining earlier parenting…