People direct their attention to those aspects of what they see that stand out rather than blend. This is known as _______________

Sigmund Freud's primary research approach was __________

a) the naturalistic study. b) survey research. c) experimental study. d) the case study.

Which of the following disorders was once the most frequently diagnosed disorder among soldiers in World War I?

a. acute anxiety disorder b. conversion disorder c. dissociative identity disorder d. hypochondriasis