Research findings have been summarized throughout the text in "Highlights" boxes; this new feature presents bullet point lists to help the student organize and compare the results of research studies. * The text contains biographical material for the theorists, to suggest, where warranted, how the development of their theory may have been influenced by events in their personal and professional lives. * Material on the effects of gender, ethnicity, and culture on the issues of personality development, test performance, and the broader conceptions of human nature appears in this edition. It also highlights considerable cross-cultural research and a diversity of samples of research participants from European, African, and Asian nations. * The chapters have all been extensively revised to include the most recent studies and findings that reflect the field of personality research today. * The authors" engaging style makes it easy for students to analyze and compare theories.