Sigmund Freud was the first major social scientist to propose a unified theory to understand and explain human behavior. No theory that has followed has been more complete, more complex, or more controversial. Some psychologists treat Freud's writings as a sacred text - if Freud said it, it must be true. On the other hand, many have accused Freud of being unscientific, proposing theories that are too complex ever to be proved true or false. …showed first 75 words of 1493 total…

…showed last 75 words of 1493 total…thought that women had penis envy and were jealous of men. Other people challenged the theory that patients' memories of early sexual abuse reflected fantasies rather than actual experiences. As a result of such criticism, most scholars and psychoanalysts now take a more balanced approach to Freud's theories. They use the ideas and techniques from Freud that they find most useful without strictly following all of his teachings. No one, however, disputes Freud's enormous influence.