Head Start children were matched into two groups on the basis of disruptive behavior during rest periods. Attempts were made to modify their behavior using either instructions or token reinforcement procedures. Results suggest that a combination of reinforcement together with instructions is much more effective than either of these alone. (Author)

Two hundred seventh grade Ss were administered a paired comparison scale for the purpose of predicting reinforcer effectiveness of fifteen stimuli. (Authors)

Study found that nonlearners, as well as learners, were unquestionably utilizing strategies at a rate greater than that expected on the basis of chance alone. (Authors)

Four hypotheses were derived from the proposition that positive self-concept is due partly to an ability to utilize self-initiated verbal reinforcement. (Authors)

The internal development of the child and the way in which he learns as well as the outside influnces on his learning capacity are the subjects of discussion. The role of the psychologist in this development is analyzed. (CK)