Test-retest reliability of the state-trait personality inventory and the anger expression scale

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Abstract
The State-Trait Personality Inventory and the Anger Expression Scale have been attracting increasing attention in research involving personality assessment, but no data regarding the test-retest reliability of these instruments have been published. The 14-day test-retest correlation coefficients for the subscales of these instruments reflect appropriately low stability for the state scales of the STPI and moderate stability for the STPI trait scales as well as the AX subscales.