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[Internal validation of a measurement scale: relation between principal component analysis, Cronbach's alpha coefficient and intra-class correlation coefficient].

Abstract : The objective is to establish a simple relationship between two frequently used validation techniques which have been developed in the literature along the same lines: Principal Component Analysis and Cronbach's alpha. We have shown that under certain conditions, it is possible to estimate the reliability by using the results of a Principal Component Analysis only. Moreover, we report the relation between Cronbach's alpha and intraclass correlation coefficient, which are both used to estimate the reliability of continuous measures.
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http://hal.univ-nantes.fr/hal-03242927
Contributor : Leila Moret <>
Submitted on : Monday, May 31, 2021 - 12:36:57 PM
Last modification on : Thursday, June 3, 2021 - 3:23:58 AM

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  • HAL Id : hal-03242927, version 1
  • PUBMED : 8493397

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Leila Moret, M Mesbah, J Chwalow, J Lellouch. [Internal validation of a measurement scale: relation between principal component analysis, Cronbach's alpha coefficient and intra-class correlation coefficient].. Epidemiology and Public Health / Revue d'Epidémiologie et de Santé Publique, Elsevier Masson, 1993, 41 (2), pp.179-86. ⟨hal-03242927⟩

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