How to assess the validity of an analysis and a data collection

18 Nov
Psychological Science (journal)

Psychological Science (journal) (Photo credit: Wikipedia)

This article about the methodological concerns in psychological science should inspire the health services authors. It is amazing how easily one can obtain false positive results in a survey when the researchers use all the degrees of freedom that they dispose.
The article:
http://people.psych.cornell.edu/~jec7/pcd%20pubs/simmonsetal11.pdf

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