doi: 10.1016/0022-3999(94)90005-1.
The twenty-item Toronto Alexithymia Scale--I. Item selection and cross-validation of the factor structure
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- PMID: 8126686
- DOI: 10.1016/0022-3999(94)90005-1
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The twenty-item Toronto Alexithymia Scale--I. Item selection and cross-validation of the factor structure
J Psychosom Res.
1994 Jan.
Abstract
Addressing shortcomings of the self-report Toronto Alexithymia Scale (TAS), two studies were conducted to reconstruct the item domain of the scale. The first study resulted in the development of a new twenty-item version of the scale--the TAS-20. The TAS-20 demonstrated good internal consistency and test-retest reliability, and a three-factor structure theoretically congruent with the alexithymia construct. The stability and replicability of this three-factor structure were demonstrated in the second study with both clinical and nonclinical populations by the use of confirmatory factor analysis.
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