Two experiments were designed to detect frustration phenomena hitherto only observed in subhuman animals, frustration being defined as the omission of the response item after a correct anticipation in a partial reinforcement schedule. (Authors)

Isolation of optimal instructional processes to provide information feedback and to motivate disadvantaged children was the goal of this comparative study of reinforcement contigencies. The subjects were 21 black children from 45 to 65 months of age. Children were ranked on the PPVT and a learning program pretest, then randomly assigned to three…

In a test of H. Quay's model of differential response tendencies in three basic dimensions of discordant behavior, 36 delinquent boys (10 to 16 years old) divided into three behavior groups-Conduct Disorder, Personality Disorder, Inadequate-Immature-were compared on a verbal paired-associate task under four conditions of task structure: neutral…

A new hypothesis is proposed to account for both superior and equal performances under the study-test method as compared with the anticipation method. (Author)