In 1975, Cialdini and Colleagues Asked College Students to Spend

Multiple Choice

In 1975, Cialdini and colleagues asked college students to spend two hours chaperoning a group of children on a field trip to the zoo. Only __________ agreed to this request. However, after first asking another group of college students to volunteer every week, for a minimum of two years, __________ agreed to the second request to chaperon the zoo trip because of the door-in-the-face technique.

A) 50 percent; 17 percent
B) 17 percent; 100 percent
C) 100 percent; 50 percent
D) 17 percent; 50 percent