A study of 700 children (ages 5-12) investigated whether children's conceptions of and expectations of friendship are determined by chronological age or by mental age. Results found children of differing intellectual abilities pass through the five conception stages of friendship at different ages and at different rates. (Contains 4 references.)…

Results show that the retarded group was significantly more cooperative than the nonretarded group, and the 6-7 year retarded group was more cooperative than the 11-12-year retarded group. (Authors/CB)

Evaluates fourth-to seventh-grade children on two aspects of social cognition: interpersonal understanding and means-ends problem-solving ability. Relates the two variables to sex, age, IQ, social class, and multiple dimensions of competence. Both variables significantly correlated with I.Q. while interpersonal understanding also correlated with…

This study focuses on the effects of family size and spacing on intellectual, social, and personality development of children. The sample consisted of 533 suburban, middle class, large family (five or more) and small two child family children. The children, 233 boys and 300 girls, were teenagers attending either junior or senior high school.…