The category breadth indexes of 128 children at each age (4 and 11) were related to personality data available at ages 3, 4, 7, 11, and 14 in form of independent California Child Q-Sort (CCQ) description. Results suggested that breadth of categorization at age four correlated negatively with intelligence, while at age 11 it correlated positively…

Analyzed attachment relationships of 22 maltreated and 21 nonmaltreated infants of 12 months. Findings indicated a preponderance of disorganized/disoriented (Type D) attachments in the maltreatment group, with boys more likely than girls to be Type D. (RJC)

Studied the enjoyment and comprehension of riddles and nonriddles by first, third, and fifth grade normal children. Also investigated the relationship of sex to the enjoyment of humor. (SDH)

Compared children's cognitive abilities at four years and their prenatal amniotic fluid testosterone levels. For girls, prenatal testosterone levels were related in a curvilinear manner to language comprehension and classification abilities, and inversely related to counting and knowledge of number facts. For boys, no relationships were found. (BC)

Describes differences in the socialization setting provided by all-boy and all-girl play groups, and explores possible reasons for children's tendency to congregate in same-sex groups. Considers three classes of possible explanatory processes: biological factors, socialization pressures from adults, and gender cognitions. (RH)

Examined in six experiments toddlers' use of syntactic cues to learn proper names and count nouns. Found that by 24 months, both girls and boys were significantly more likely to select a labeled object if they had heard a proper name than if they had heard a count noun. At 20 months, neither girls nor boys demonstrated this effect. (Author/KB)