Evaluates the effects of a training procedure based on the organizational disequilibrium model of cognitive development. Subjects were children who displayed pretest structural profiles of varying levels of structural elaboration. (DP)

This paper questions the assumption that a central processing deficit exists in the speed of performing mental operations by children as compared to adults. Two hypotheses are proposed and data are cited as evidence. (JMB)

The social deprivation-satiation effect" is characterized by an inverse relation between the frequency of social reinforcement received in a standard treatment period and the effectiveness of that reinforcer in a subsequent test. (Author)