This study demonstrated the effectiveness of a reliable, inexpensive method for observing fathers interacting with their preschool children in the home. Fathers in 180 white families were interviewed about their child rearing attitudes and practices, and observed while playing games with their four-year old children. When a factor analysis of the…

The purpose of this study was to investigate the relationship between the achievement of some abstract concepts in "molecular genetics" and prior knowledge, formal reasoning ability, and sex. The major findings of the study were: (1) prior knowledge had a high significant correlation with the achievement of abstract concepts; (2) the…

Matrix tasks designed to assess the logical properties of multiple classification and multiple seriation were administered to 105 first, third, and fifth grade children. The tasks included cross-class and double series matrices, each of which had a reproduction and a transposition instructional set, and a revised set of cross-class and double…

Adolescents, ages 11-12 and 13-14, were tested for maturity of judgment about stability-change situations and about time perspective. (CP)

Overall correlations between personality/motivation and verbal reasoning, divergent thinking, and creative writing in 1,416 children, aged 10-13 were low, suggesting that classroom climate and teaching methods may affect this relationship. (Tests are appended.) (Available in microfiche from: Carfax Publishing Company, Haddon House,…