Psychology employs the scientific method to investigate the many complexities of human existence. This unit is a comprehensive examination of the basic topics covered by high school or introductory college courses in psychology. Lessons are organized into the following parts: Learning; Brain/Body Relationship to Behavior; Consciousness; Human Development; Emotion/Motivation; Personality, Adjustment, and Stress; Mental Disorders; Social Psychology; and Research. Students study the learning process, beginning with classical operant conditioning; how the brain and body produce behavior; sleep, dreams, and the harmful effects of certain drugs; physical, intellectual, social, and moral development; personality theories and coping strategies; documenting and recording research and statistics; causes and treatments of mental disorders; and more.

Lessons provide a comprehensive manual for teachers as a primary teaching tool or as a supplementary resource. The unit may be used with any high school text.