The reliability of a two-item scale: Pearson, Cronbach, or Spearman-Brown?
Hints & Kinks
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KeywordsCoefficient Alpha True Score Local Dependence Classical Test Theory True Reliability
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
The authors are grateful to William Revelle and an anonymous reviewer for helpful comments on a previous version of this manuscript and suggestions for improvements.
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