The present study was concerned with demonstrating that schedule of knowledge of results may enhance resistance to extinction" on the pursuit rotor in a manner analogous to the partial reinforcement effect in conditioning. (Author)

The effects of role playing and repetition of persuasive communication on opinion change were studied by means of a 2 x 2 factorial design (N = 296). Active role playing was superior to passive listening, and three presentations of the persuasive communications were superior to a single presentation. Role playing and repetition did not interact.…

It was tentatively concluded that identification may contribute to the recognition that moral principles and not external sanctions form the basis of right and wrong, but not to the application of these principles to one's own behavior in the absence of authority. (Author)

When high anxious mothers administered tasks to their children, they facilitated the task performance of their daughters but were strongly detrimental to that of their sons. Low anxious mothers chose more difficult tasks for sons than for daughters, and they facilitated the task performance of sons more than that of daughters. (Authors/RY)