In this study, the relevance of striving situations to intrinsic and extrinsic motivation was manipulated by varying the degree of involvement in the child's performance displayed by the experimenter. (Authors)

Investigates the relationship between self-reinforcement behavior and psychological adjustment (Maslow's need hierarchy) in 93 college students. (CM)

A total of 540 college students were run in two verbal discrimination learning studies (the second, a replication of the first) with one of three verbal reward conditions. In both studies, equal numbers of male and female subjects were run in each reward condition by each male and female experimenter. (MS)

Results indicated that verb emission increased significantly across time for experimental group subjects as compared with control groups subjects when the operant level procedure was omitted. (Author)

In this study, the authors investigated the relation between early social contingency experiences and infants' competencies to detect nonsocial contingencies. In this study of 87 three-month-old infants, the authors operationalized early social contingencies as prompt, contingent maternal responses and coded microanalytically on the basis of…

Results of an experiment with preschoolers and adolescents indicated that aggression by females toward females was relatively stable over age, while aggression by males toward other males increased markedly. The implication of findings for reinforcement explanations of sex differences in aggression are discussed. (Author/SB)

Study is an experimental investigation of developmental aspects of the valence theory. (Authors)

Research examined three independent variables: type of reinforcement given to examinee, sex of examinee, and sex of reinforcer. (Author/MB)

This study compared the perceptions of male and female high school students concerning selected aspects of parent-child relationships. One major conclusion of this study is that parents have a decidedly different effect on the lives of their sons and daughters. (Author/CS)

Eighty-three children from grades 2 through 5 were administered measures of social egocentrism and moral judgment. Methodological improvements in the moral judgment measure were introduced. (Author/MP)