Barry Was Sitting on a Bench near the Center of the Shopping

Barry was sitting on a bench near the center of the shopping mall waiting for his wife to finish her shopping when he was approached by a woman holding a clipboard with a dress shirt laid over her arm.She asked if Barry had the time to answer a few questions about the shirt.After Barry examined the shirt,the woman asked him to assess the quality of the shirt and to state how much he would be willing to pay for the shirt.Barry participated in a(n) .

A) traditional aggregation of information research program
B) focus group
C) online interview
D) chat room
E) mall intercept