This volume, first published in 1999, provides a single resource for all those working in mental retardation.By consolidating 40 years of Zigler's research with the work of other major researchers in the field of personality, this book provides a single resource for students, researchers, and professionals working in the field of mental retardation. The basic focus is that although cognitive impairment is a defining feature, personality, emotions, and motivation play a significant role in the behavior of individuals with mental retardation. The comprehensive overview of the theory, research, and practical considerations provided in this book has relevance in identifying, educating and integrating, mentally retarded individuals into society.By consolidating 40 years of Zigler's research with the work of other major researchers in the field of personality, this book provides a single resource for students, researchers, and professionals working in the field of mental retardation. The basic focus is that although cognitive impairment is a defining feature, personality, emotions, and motivation play a significant role in the behavior of individuals with mental retardation. The comprehensive overview of the theory, research, and practical considerations provided in this book has relevance in identifying, educating and integrating, mentally retarded individuals into society.By consolidating forty years of Zigler's research with the work of other major researchers in the field of personality, this book provides a single resource for students, researchers, and professionals working in the field of mental retardation. The basic focus is that although cognitive impairment is a defining feature, personality, emotions, and motivation play a significant role in the behavior of individuals with mental retardation. The comprehensive overview of the theory, research, and practical considerations provided in this book has relevance in identifying, educating, and integrating mental$