Describes some obdurate problems and issues in personality theory and research and the shortcomings of attempts to resolve them. Assesses the trans-situational consistency of behavioral persistence of 22 second graders (10 males, 12 females) in east Vancouver by intercorrelating the rank orders of their behavioral persistence scores from three…

Presents literature relevant to initial group structure and advances a model of group development based upon personal construct theory. The proposed model illuminates the relationship between initial structure and the psychological processes underlying group development. Research questions are posited to advance empirical tests of the model. (RC)

This review covers the psychological literature of the last 30 years regarding the personality and motivational characteristics of individuals with mental retardation. The first section is a brief historical review and critical examination of the various conceptual models and theories regarding personality and motivational processes in persons…