Sandy scores a perfect 100 on a test that everyone else fails. If we were to graph this distribution it would be

A. symmetrical.
B. normal.
C. positively skewed.
D. negatively skewed.

(more…)

Tamar scored 145 on an IQ test with a mean of 100 and a standard deviation of 15. What is her z

score?
A. −1.5
B. +0.67
C. 1.5
D. +3

(more…)

Some psychologists consider Stanley Milgram’s obedience studies to be unethical because of which ethical consideration?

A. improper sampling procedure
B. risk of long-term harm
C. clear scientific purpose
D. debriefing

(more…)

Which of the following hypotheses would be most difficult to test experimentally?

A. Exercise improves mood.

B. Exposure to violent television increases aggression.

C. Studying leads to better grades.

D. Divorce makes children more independent

(more…)