Elusive developmental processes are most often examined in the context of the philosophic problem of scientific determinism. The Markov process model, enhancing a probabilistic viewpoint for the explanation of developmental data, should be restricted. Attention should be focused on the immediate context and situational setting of a subject. The…

A second year of experimental research on young children examined the instructional power of television in facilitating the acquisition of cognitive skills. In addition, researchers investigated the efficiency of an instructional support system designed to maximize the results of educational television. Subjects were three- to five-year-old Native…