Question

Focus groups are most useful
a. when precise generalization to a larger population is essential and the focus groups' participants and the larger
population are relatively heterogeneous
b. when precise generalization to a larger population is essential and the focus groups' participants and the larger
population are relatively homogeneous
c. when precise generalization to a larger population is not necessary and the focus groups' participants and the
larger population are relatively homogeneous
d. when precise generalization to a larger population is not necessary and the focus group participants and the larger population are relatively heterogeneous

Answer

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