The Complete Idiot's Guide® to Psychology, Fourth Edition provides an easy-to-understand look at both this history and modern practice of psychology.  Interest in psychology extends well beyond the walls of academia. Sigmund Freud, Carl Jung, and William James are just a few examples of the many people in psychology whose works remain popular sellers, demonstrating an ongoing popular interest in this field.  In the Fourth Edition of The Complete Idiot's Guide® to Psychology, readers will find: -  What treatment works best for what problem. - How to use positive psychology to make one's life even better (one doesn't have to have a problem to use psychology). - Alternative mental health treatments (for example, some parts of meditation can improve one's self-esteem and ward off depression). - How the mind and the body work with each other-and how one can improve their communication.