Using a novel organizational framework, one that emphasizes domains of knowledge about human nature, this trusted text presents the field of contemporary personality psychology as a collection of interrelated topics and themes. The emphasis, as always, is on the scientific basis of understanding human nature. The fourth edition continues to answer the needs of instructors by covering topics that do not fit into the framework of theory-based texts. It features updates on cutting edge trends in personality psychology in relation to culture, gender, evolution, genetics, emotion, self, health psychology, and personality disorders, while providing a solid foundation in the more traditional areas of trait psychology, psychoanalysis, and cognitive and social approaches to personality. Presented in a colorful and accessible format, the provides exercises, personality questionnaires, "Closer Look" boxes, current news boxes, and many charts, graphs, and photos to engage students in the material.