This document provides an overview of personal development and key concepts in psychology. It discusses developing the whole person through understanding how physiological, cognitive, psychological, spiritual, and social factors influence thoughts, feelings, and behaviors. Important psychologists discussed include Sigmund Freud, who developed concepts of the psyche and life/death drives; Carl Jung, who studied archetypes and extraversion/introversion; William James, who studied emotion; Carl Rogers, who studied self-actualization; and Alfred Adler, who developed individual psychology. The document also defines psychology, areas it concerns like cognition and relationships, distinguishes it from psychiatry which treats mental disorders, and lists branches of psychiatry. Homework assignments are provided to research important psychological concepts.