A researcher who wants to survey a special sample of a small subgroup of the population would be advised to use a
A)mail panel.
B)telephone interview.
C)personal door-to-door interview.
D)shopping center intercept interview.
E)none of the above.

Question

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The Answer of A researcher who wants to survey a special sample of a small subgroup of the population would be advised to use a
A)mail panel.
B)telephone interview.
C)personal door-to-door interview.
D)shopping center intercept interview.
E)none of the above.

A Researcher Who Wants to Survey a Special Sample of a Small