Dutton and Aron Discuss Two Major Problems with Their First

Multiple Choice

Dutton and Aron discuss two major problems with their first experiment that led them to refine their procedure in Experiment 2. Which of the following was one of those two problems?

A) Experimental subjects may have been less likely to contact the female interviewer for a date because they were more likely to be local residents who knew about the experiments.
B) A difference in subject populations-that is, people who crossed the suspension bridge may have been different from those who crossed the control bridge.
C) The suspension bridge tended to attract tourists, many of whom were foreign visitors who were unable to communicate properly with the female interviewer.
D) The fact that the male and female interviewers in Experiment 1 obtained an identical pattern of results suggested to Dutton and Aron that something was wrong with their procedures in the first experiment.