How Valid Is This Test?

2013年07月22日 60122次浏览
No business wants to spend time and money on a measurement method that does not work. This is why most businesses know to ask this basic question: “How valid is this method or test?” The challenge only begins here, though, because you then need to be able to understand and evaluate the answer. To help you, try following these seven tactics.
(Excerpted with permission from the publishe
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