Two studies were conducted to clarify the influence of experiences and aptitudes on male-female differences in formal thought. Participants were 788 seventh-, ninth-, and eleventh-graders in three school districts differing in location, socioeconomic composition, and course offerings. Formal thought was measured with tasks involving proportional…

A theoretical perspective is presented for examining conceptual change in adolescence and the social context of learning. A case study of the Computer as Lab Partner project illustrates the following: (1) conceptual and cognitive changes in eighth graders' understanding of physical science concepts; (2) ways concepts are constructed; and (3)…

The article discusses two interrelated aspects of computer education: the computer's potential for developing cognitive skills and ways in which the differential participation of males and females in computer experiences may lead to inequitable outcomes. The Assessing the Cognitive Consequences of Computer Environments for Learning Project…