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Breaking The Matches In A Paired T-Test For Community Interventions When The Number Of Pairs Is Small, Paula Diehr
Breaking The Matches In A Paired T-Test For Community Interventions When The Number Of Pairs Is Small, Paula Diehr
Paula Diehr
There is considerable interest in community interventions for health promotion, where the community is the experimental unit. Because such interventions are expensive, the number of experimental units (communities) is usually small. Because of the small number of communities involved, investigators often match treatment and control communities on demographic variables before randomization to minimize the possibility of a bad split. Unfortunately, matching has been shown to decrease the power of the design when the number of pairs is small, unless the matching variable is very highly correlated with the outcome variable (in this case, with change in the health behaviour). We …
Below The Belt Cigarette Advertising, Richard W. Pollay
Below The Belt Cigarette Advertising, Richard W. Pollay
Richard W. Pollay
No abstract provided.
Targeting Tactics In Selling Smoke: Youthful Aspects Of 20th Century Cigarette Advertising, Richard W. Pollay
Targeting Tactics In Selling Smoke: Youthful Aspects Of 20th Century Cigarette Advertising, Richard W. Pollay
Richard W. Pollay
No abstract provided.