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The reliability of a two-item scale: Pearson, Cronbach, or Spearman-Brown?

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  • Rob Eisinga
  • Manfred Grotenhuis
  • Ben Pelzer

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  • Rob Eisinga & Manfred Grotenhuis & Ben Pelzer, 2013. "The reliability of a two-item scale: Pearson, Cronbach, or Spearman-Brown?," International Journal of Public Health, Springer;Swiss School of Public Health (SSPH+), vol. 58(4), pages 637-642, August.
    • Handle: RePEc:spr:ijphth:v:58:y:2013:i:4:p:637-642
    DOI: 10.1007/s00038-012-0416-3
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    References listed on IDEAS

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    1. François Sainfort & Bridget C. Booske, 2000. "Measuring Post-decision Satisfaction," Medical Decision Making, , vol. 20(1), pages 51-61, January.
    2. William Revelle & Richard Zinbarg, 2009. "Coefficients Alpha, Beta, Omega, and the glb: Comments on Sijtsma," Psychometrika, Springer;The Psychometric Society, vol. 74(1), pages 145-154, March.
    3. Klaas Sijtsma, 2009. "On the Use, the Misuse, and the Very Limited Usefulness of Cronbach’s Alpha," Psychometrika, Springer;The Psychometric Society, vol. 74(1), pages 107-120, March.
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