Question

Which survey type is usually biased because those likely to respond have had especially positive or negative experiences with a given product, service, or brand?

A telephone Correct Answer Incorrect Answer
B personal interviews Correct Answer Incorrect Answer
C focus groups Correct Answer Incorrect Answer
D mail Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

Mail surveys are usually biased because those likely to respond have had especially positive or negative experiences with a given product, service, or brand.

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