The relationship between maternal employment and adolescent development is enormously complex, and no simple generalizations are possible. Many intervening variables alter the impact that maternal employment has on adolescent development. There is an urgent need to discover what impact this arrangement has on adolescent development. (CJ)

In order to ensure the effectiveness of instruction on a new topic, teachers must help students recall prior "prerequisite" learning. The type of learning to be recalled varies with the type of learning outcome expected. (RJG)

This paper advocates a philosophy of science teaching that embraces intellectual conflict, suggesting that it is important to engage students in productive intellectual conflict in order to teach for conceptual change. Presents two approaches that could actualize the philosophy of "teaching the conflicts" within science instruction. (SM)

The educational implications of Piaget's concept of intelligence provide a framework for the application of theory to educational practice. The uniqueness of individual learning is compared to stage-based teaching. Social interaction is viewed as one of the major forces in cognitive development. (JN)