Title

A confirmatory factor analysis of the Toronto Alexithymia Scale (TAS-20) in an alcohol-dependent sample

Date of this Version

1-1-2010

Document Type

Journal Article

Publication Details

Citation only.

Thorberg, F.A., Young, R.M., Sullivan, K.A., Lyvers, M., Hurst, C., Connor, J.P., Feeney, G.F.X. (2010). A confirmatory factor analysis of the Toronto Alexithymia Scale (TAS-20) in an alcohol-dependent sample. Psychiatry research, 178(3), 565-567.

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2010 HERDC submission. FoR Code: 170200

© Copyright Elsevier Ireland Ltd., 2009

Abstract

Objective: To explore the factorial validity of the Toronto Alexithymia Scale (TAS-20) in an alcohol dependent population. Methods: Confirmatory factor analyses were conducted using structural equation modelling to evaluate the stability of the factor structure of the TAS-20. Based on previously reported factor structures, 1-factor, 2-factor and 3-factor models were examined, using maximum likelihood estimation. Results: Four of the five fit indices considered indicated a superior fit for the 3-factor model compared to the 2-factor and 1-factor models. Conclusion: This study demonstrates that the original 3-factor model of the TAS-20 was a more plausible fit to the data compared to other competing models in a sample with alcohol dependence. Limitations with the EOT factor indicate a need for refinement and a possible revision of the TAS-20 in populations with alcohol dependence.

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This document has been peer reviewed.