Peterson Academy on Instagram: "Dr. W. Keith Campbell’s nine-hour course on Peterson Academy: Intro to Psychology. Enroll now for immediate access to petersonacademy.com. In this course, Dr. Campbell takes us on an exploration of the diverse field of psychology, from its historical roots to its modern applications. We examine how humans make sense of the world through mental models, cognitive biases, and social influences, and delve into the psychology of human development, motivation, personali