In years past, psychology had been criticized as the stuff of "head-shrinkers" and "quacks." Now the study of human behavior is universally accepted as a means for better understanding one's self and achieving inner peace and happiness. The Everything Psychology Book is an easy-to-follow guide to the experiments, theories, and principles that have shaped modern psychology and given us insights into human behavior. From learning and personality development to dreams and the unconscious, this straightforward primer explains how the brain works and how our enviroment affects thinking and behavior. In addition to the sceintific information, readers learn how to apply what we know about psychology to improve everyday lives.