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Title
How to find nothing.
Authors
Hemenway, David
Abstract
Hypothesis testing can be misused and misinterpreted in various ways. Limitations in the research design, for example, can make it almost impossible to reject the null hypothesis that a policy has no effect. This article discusses two examples of such experimental designs and analyses, in which, unfortunately, the researchers touted their null results as strong evidence of no effect.
Publication
Journal of public health policy, 2009, Vol 30, Issue 3, p260