According to Donald Super, during what stage do young adults establish themselves in their careers?

According to Albert Ellis, we become unhappy and depressed about events because of

a) our behaviors. b) our irrational beliefs. c) the events that happen to us. d) other people's irrational beliefs.

Your roommate is an only child. What percentage of people in industrialized countries have at least one sibling?

a. 100% b. 80% c. 60% d. 40%