A Marketing Executive for a Company That Manufacturers Mobile Telephones

A marketing executive for a company that manufacturers mobile telephones wonders if a new line of phones in bright colours like tangerine and shocking pink will attract current nonusers of her products and cause them to become users.To research this problem,what should she do?

A) Ask the sales force to interview each of their clients to see what their responses to the new colours are.
B) Conduct a focus group and ask users and nonusers what they think about each of the new colours.
C) Conduct an experiment that exposes some nonusers to the old product and others to the new product colours,and measure the difference in responses between the two groups.
D) Conduct in-store personal interviews to ask potential buyers how they will respond to the new colours.