Results supported the hypothesis that increasing numbers of coactors results in increasing impairment of motor performance. (Authors)

Much research in the field of moral behaviour is vitiated by the prevalence among researchers of a behaviouristic conception of motivation which ignores the importance of reasons in guiding behaviour. Its is argued that this neglect is dangerous and that researchers must take more account of them if their work is to have real relevance for moral…

A six-month-old infant who can remove a transparent cloth from his hand when it is covered after he grasps a toy may not be able to remove an opaque cover. Alternative interpretations of the phenomenon, that is, degree of bimanual coordination and focus of attention, are discussed. (Author/MB)

The purpose of the article is to examine the developmental theory of intelligence as it was dealt with by Piaget. (Author)

Sequential effects in 2CRT are due to the structure of the sequence of stimuli, rather than due to local response biasing resulting from the sequence of required responses. (Author)

The purpose of this paper is to examine, from a sociopsychological standpoint, some of the elements which account for the success of behavior therapy and to comment on the meaning of its emergence in modern society. Behavior therapy is seen as an indicator and consequence of major cultural trends. (Author/CG)

A review of The Social Psychology of Education" (Holt, Rinehart and Winston), by David W. Johnson, Associate Professor of the Psychological Foundations of Education, University of Minnesota. (RY)

The author relates contemporary work on imitation and training to the historic contributions of Itard and Sequin. (RD)