The Community Intervention Trial for Smoking Cessation asked whether acommunity-wide
Chapter 0, Problem 9.22(choose chapter or problem)
The Community Intervention Trial for Smoking Cessation asked whether acommunity-wide advertising campaign would reduce smoking. The researcherslocated 11 pairs of communities, each pair similar in location, size, economic status, and so on. One community in each pair participated in the advertisingcampaign and the other did not. This is(a) an observational study.(b) a matched pairs experiment.(c) a completely randomized experiment.
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