A Major Reason That Marketers Are Concerned with What People

Multiple Choice

A major reason that marketers are concerned with what people say about a product is that word-of-mouth communication:

A) tends to be more powerful than information received on formal promotion channels.
B) is easier to control by the marketer than other means of communication.
C) is not as effective as advertising.
D) can be purchased relatively inexpensively by the marketer.