This volume, first published in 1999, provides a single resource for all those working in mental retardation.

Part I: 1. The individual with mental retardation as a whole person Edward Zigler; 2. Intrinsic motivation and motivational self-system processes in persons with mental retardation: a theory of motivational orientation Harvey N. Switzky; 3. Cognitive performance and learned helplessness in mentally retarded persons John R. Weisz; 4. Developmental and experiential variables in the self-images of people with mild mental retardation Marion Glick; Part II: 5. Motivation for social reinforcement: positive and negative reaction tendency Dianne Bennett-Gates and Edward Zigler; 6. Expectancy of success in individuals with mental retardation Dianne Bennett-Gates and Shulamith Kreitler; 7. The effectance motivation and the performance of individuals with mental retardation Dianne Bennett-Gates; 8. Outerdirectedness Jane Bybee and Edward Zigler; 9. Assessing personality traits of individuals with mental retardation Edward Zigler, Dianne Bennett-Gates and Robert M. Hodapp; Part III: 10. Parenting, etiology, and personality-motivational functioning in children with mental retardation Robert M. Hodapp and Deborah J. Fidler; 11. Personality-motivation: new ties to Psychopathology, etiology, and intervention Elisabeth M. Dykens.