J Psychosom Res. 2001 May;50(5):255-61.

Factorial structure of the 20-item Toronto Alexithymia Scale: confirmatory factorial analyses in nonclinical and clinical samples.

Loas G, Corcos M, Stephan P, Pellet J, Bizouard P, Venisse JL, Perez-Diaz F, Guelfi JD, Jeammet P; Réseau INSERM no. 494013.

Source

University Department of Psychiatry of Amiens, Amiens, France. gloas@francenet.fr

Abstract

OBJECTIVE:

The 20-item Toronto Alexithymia Scale (TAS-20) measures three intercorrelated dimensions of alexithymia: (1) difficulties identifying feelings (DIF), (2) difficulties describing feelings (DDF), and (3) externally oriented thinking (EOT). The aim of the study was to test the three-factor model of the TAS-20 using confirmatory factorial analyses (CFA).

METHOD:

769 healthy subjects and 659 patients meeting the DSM-IV criteria for substance use disorders or eating disorders completed the TAS-20. The correlation matrices for each of the samples were analyzed with LISREL 7.16.

RESULTS:

In each sample, the three-factor model was found to be replicable.

CONCLUSION:

The three TAS-20 subcales can be used to explore the distinct facets of the alexithymia construct.

PMID:: 11399282; [PubMed - indexed for MEDLINE]

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