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URL http://www.acatoday.org/JacaDisplay1.cfm?CID=1886
Journal JACA Online. 2006 Sep-oct;43(7):Online access only p 19-22
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Peer Review Yes
Publication Type Article
Abstract/Notes Testing is still an inexact science. This column gives readers a description of what researchers really mean when they apply the terms “validity” and “reliability”— and why such terms are important. Can a test be worthwhile if it is valid, but not reliable? What if it's reliable, but not valid?

This abstract is reproduced with permission of the publisher. Full text is available by subscription.

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