Psychological tests used to infer motives, conflicts, and unconscious dynamics on the basis of a person's interpretations of ambiguous stimuli are called:

Which of these would decrease stress for a hospital patient awaiting surgery?

a. Keep the person with someone else awaiting a different surgery. b. Tell the person exactly what to expect c. Avoid discussing the surgery. d. Keep the room as dark and quiet as possible.

For a particular population, a sample of n = 4 scores has a standard error of 6 . For the same population, a sample of n = 16 scores would have a standard error of _____

a. 8 c. 3 b. 6 d. 2