Presents a study of the acquisition and development of information coordination ability. Examines students' composition of texts comparing two cultural groups after reading either one text describing both or a separate text on each. Concludes that older students used more complex information integration levels, whereas all subjects performed…

Examines relationships between student interests and aptitude in selected academic fields and their success in intensive courses on these subjects. Discusses a two-year study of 33 mathematics students and 32 literature students in the eighth and ninth grades in the Soviet Union. Shows that differentiated, intensive study did not strengthen…