An approach to intelligence which emphasizes domain-specific constraints on knowledge structures is compared to information processing approaches. The evaluation of any cognitive ability as being intelligent crucially depends on prior specification of the formal constraints on the domains of knowledge from which that ability originates. (Author/RD)

Claims in "The Bell Curve" that Head Start and other early intervention programs are a failure and a waste of funds depend on a notion of cognitive ability reduced to IQ. They ignore other studies that demonstrate the success of such programs and that, consistent with Piagetian views, recognize the interrelationships of cognitive,…

This three-part report discusses the concept of intelligence and its importance for educators. Part 1 considers the basic question of what intelligence is. Part 2 discusses the implications of notions of intelligence for schooling, dealing with both the training of content knowledge and the training of intellectual skills. Each of these first two…