A Marketing Manager Wants to Know If a "2 for 1

Multiple Choice

A marketing manager wants to know if a "2 for 1" coupon will attract new customers.He will get the most persuasive results if he uses

A) a focus group to ask consumers if they like the idea.
B) an experimental method in which only some consumers get the coupon and the purchases of the two groups (with and without coupons) are compared.
C) personal interviewers to ask consumers how they will react.
D) a mail survey to ask consumers if they use coupons and why.
E) none of these would allow the manager to determine if the coupon will help get new customers.