This week we discuss psychology and its more recent ideas about the causes of human behavior, including Gestalt, Neobehaviorism and Freud. Freud's work is a popular topic of discussion in the field of psychology. While most do not accept his work as 'scientific,' many of his principles and theories are considered valid. Watch the Id, Ego and Super Ego video and assigned reading about Freud's ideas.

Identify two of Freud's principles or theories that you believe are valid. Support your perspective with at least three everyday examples.