articlePsychological MethodsMay 30, 2017Closed access

Thanks coefficient alpha, we’ll take it from here.

Utrecht University

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Abstract

Empirical studies in psychology commonly report Cronbach's alpha as a measure of internal consistency reliability despite the fact that many methodological studies have shown that Cronbach's alpha is riddled with problems stemming from unrealistic assumptions. In many circumstances, violating these assumptions yields estimates of reliability that are too small, making measures look less reliable than they actually are. Although methodological critiques of Cronbach's alpha are being cited with increasing frequency in empirical studies, in this tutorial we discuss how the trend is not necessarily improving methodology used in the literature. That is, many studies continue to use Cronbach's alpha without regard…

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Topics & keywords

Keywords
  • Cronbach's alpha
  • PsycINFO
  • Reliability (semiconductor)
  • Alpha (finance)
  • Psychology
  • Empirical research
  • Consistency (knowledge bases)
  • Psychometrics
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