Does empirical research suggest:
A) interviewing is more cost-effective than focus groups.
B) focus groups and interviewing are roughly equivalent in cost.
C) focus groups are more cost-effective than interviewing.
D) cost-effectiveness comparisons are inappropriate.

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The Answer of Does empirical research suggest:
A) interviewing is more cost-effective than focus groups.
B) focus groups and interviewing are roughly equivalent in cost.
C) focus groups are more cost-effective than interviewing.
D) cost-effectiveness comparisons are inappropriate.

Does Empirical Research Suggest