John Was Stopped at the Local Shopping Centers and Asked

Multiple Choice

John was stopped at the local shopping centers and asked if he would be willing to participate in a research study.Because John was alone and mainly doing window-shopping,he agreed to participate.John was taken to a room and shown four new advertisements and asked various questions related to the ads.This type of technique is called?

A) Person-on-the-street interview
B) Mall-intercept interview
C) Drop-off survey
D) Ad recall interview
E) None of these are correct.