Psychology is the science of human behavior and mental processes. It uses scientific methods to describe, predict, understand, and explain human behavior. Combined with appropriate related courses, the major provides students with strong preparation for entrance into graduate programs in psychology, medicine, law, and other professions. In addition, it provides a broad, basic liberal arts background for a wide range of other pursuits. The major in Psychology requires a total of eleven (4-credit) courses: a prerequisite course, nine principal courses, and a course in statistics. Those courses are distributed as follows: Prerequisite CAS PS 101 General Psychology, or equivalent Principal Courses (9) Principal courses in psychology are those listed in the Bulletin and numbered at the 200-level or above, excluding PS 211. A grade of C or higher is required in all principal courses. Nine are required, including: CAS PS 231 Physiological Psychology Two courses chosen from broad Content Group A below (which includes courses in perception, physiological psychology*, learning, and cognition) Two courses chosen from broad Content Group B below (which includes courses in development, personality, and social and abnormal psychology) Four of the nine principal courses must be selected from offerings at the 300-level or higher, including one experimental course selected from CAS PS 322, 323, 324, 325, 326, 327, or 328