The document provides an overview of the evolution of psychology, tracing its history through five key waves: introspection, Gestalt psychology, psychoanalysis, behaviorism, and eclecticism. It outlines the seven schools of thought in contemporary psychology, including biopsychology, evolutionary, psychoanalytic, behavioral, humanist, cognitive, and social-cultural perspectives. Additionally, it highlights three major debates in psychology: nature versus nurture, stability versus change, and continuity versus discontinuity.