Capuchin monkeys refuse to exchange pebbles for a slice of cucumber after seeing another monkey receive a more highly valued grape for its pebble (Brosnan & De Waal, 2003). This suggests that nonhuman primates have a ____.
a. sense of competition
b. preference for free riding
c. sense of fair play
d. preference for retaliation
Question 2
Consider the prisoners dilemma (Poundstone, 1992). In which of the following pairings would the participants likely cooperate the least?
a. two participants from the United Kingdom
b. one participant from China and one participant from the United States
c. one participant from China and one participant from the United States
d. two participants from Korea