The Community Intervention Trial for Smoking Cessation asked whether a community-wide advertising campaign would reduce smoking. The researchers located 11 pairs of communities, each pair similar in location, size, economic status, and so on. One community in each pair participated in the advertising campaign and the other did not.
To decide which community in each pair should get the advertising campaign, it is best to
A. toss a coin.
B. choose the community that will help pay for the campaign.
C. choose the community with a mayor who will participate.

Question

The Community Intervention Trial for Smoking Cessation asked whether a community-wide advertising campaign would reduce smoking. The researchers located 11 pairs of communities, each pair similar in location, size, economic status, and so on. One community in each pair participated in the advertising campaign and the other did not. 
To decide which community in each pair should get the advertising campaign, it is best to
A.	toss a coin.
B.	 choose the community that will help pay for the campaign.
C.	 choose the community with a mayor who will participate.

konradzuse · Answer

Not too sure on this one.  From what I read it should be "random" so I would think Coin Toss, but that seems kinda .....  YOu would tyink you would want the one who helped participate....