Starting at the Beginning: An Introducti
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Streiner, David L.
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Article
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2003
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Lawrence Erlbaum Associates, Inc.
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English
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Cronbach's a is the most widely used index of the reliability of a scale. However, its use and interpretation can be subject to a number of errors. This article discusses the historical development of a from other indexes of internal consistency (split-half reliability and Kuder-Richardson 20) and d