This book examines theoretical considerations in the study of decision making as well as practical applications in social interpersonal domains for adolescents and adults with intellectual and developmental disabilities (IDD). It provides a history of the study of decision making in individuals with IDD and examines emerging views on decision making from a positive psychology perspective. The book explores the role of decision making in self-determination as well as offers global perspectives on the rights and responsibilities of individuals with IDD to engage in independent decision making....