This textbook introduces the fundamental principles and current research within the field of psychology. It is structured to cover the scope and sequence of a single-semester introductory course, integrating classic studies with contemporary findings and emerging research. The authors address psychological disorders with reference to the DSM-5, and emphasize diversity within the discipline, cultures, and global communities. The second edition features significant updates to research currency, diversity and representation, and the relevance of examples, with expanded explanations and clarifications on key concepts.

As an introductory textbook, Psychology 2e is designed to provide a comprehensive and up-to-date overview of the field for students. Its structure aims to balance foundational knowledge with current research, while also incorporating discussions on diversity and the DSM-5. The emphasis on updated content and clarifications suggests an effort to enhance pedagogical effectiveness and address common student and instructor feedback. The inclusion of discussions on replication issues indicates a commitment to presenting a nuanced view of contemporary psychological science.