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.
- Bollen KA (1989) Structural equations with latent variables. Wiley, New YorkGoogle Scholar
- Embretson SE, Reise SP (2000) Item response theory for psychologists. Lawrence Erlbaum Associates, MahwahGoogle Scholar
- Hancock GR, Mueller RO (2001) Rethinking construct reliability within latent variable systems. In Cudeck R, Du Toit S, Sörbom D (Eds), Structural equation modeling: present and future. A festschrift in honor of Karl Jöreskog. Scientific Software International, Lincolnwood, pp 195–216Google Scholar
- Lord FM, Novick MR (1968) Statistical theories of mental test scores. Reading, Addison-WesleyGoogle Scholar
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