What percentage of U.S. students taking the TIMSS were confident of their math ability?

As the degree of genetic similarity increases between an individual and a schizophrenic patient, the risk of developing schizophrenia for that person _______.

A. Increase B. Remains constant C. Is zero D. Decrease

What was Dr. Zimbardo's role in the Stanford Prison Experiment?

a. clergy b. warden c. parole officer d. guard