Brief case studies of three projects are presented to illustrate the steps which open "Wonderful Programs" to evaluation research. The evaluator is provided with the perspective needed to believe the evaluation is worth doing. The project staff is then redirected to the need for a new type of evidence. An ongoing review of the commitment…

This study, with 26 deaf and 26 pair-matched hearing preschool children, first assessed their cognitive modifiability using dynamic and static-convention instruments, and then compared the factorial pattern of the cognitive measures in both groups. Results are interpreted according to the Structural Cognitive Modifiability and Mediated Learning…