Which one of the following best describes Skinner's image of human nature?

A) We have individual free choice.
B) We are totally controlled by the environment.
C) We are determined by childhood experiences.
D) We are controlled by the environment, but we can control ourselves by changing the environment.

The phenomenon whereby groups tend to shift and make more extreme the initial position of the majority of the members is referred to as ______.

A) risky shift
B) groupthink
C) normative influence
D) group polarization

Which of the following propositions uses punctuation to indicate whether a relative clause is restrictive or nonrestrictive?

A) The fear of cannibals, who are quite rare today, still haunts many people.
B) Acid rain contains carbonic acid (H₂CO₃) .
C) The Great Depression affected economies in North America, Europe, and beyond.
D) Economics, finance, business administration, and accounting are all majors in the university's College of Business.
E) The Klingons are winning, but the battle is not yet lost.