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Psihologija 2022 Volume 55, Issue 1, Pages: 107-122
https://doi.org/10.2298/PSI200820005P
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Psychometric characteristics of a Serbian translation of the unconditional self-acceptance questionnaire and the development of a short form

Popov Stanislava (Faculty of Sport and Tourism, Educons University, Serbia), stanislava.popov@tims.edu.rs
Sokić Jelena (Faculty of Sport and Tourism, Educons University, Serbia)

The Unconditional Self-Acceptance Questionnaire is extensively used in the assessment of one’s ability to evaluate their skills, actions, thoughts, and feelings, without a generalized evaluation of one’s worth or value. However, it has often been criticized for being contaminated with self-esteem items and, hence, theoretically incongruent. We evaluated the psychometric properties of the instrument and provided the first validation of the short Serbian adaptation of the USAQ. In Study 1 (n = 288), we examined the latent structure of the original USAQ translated to the Serbian language and found a three-factor solution, consisting of Conditional Self-Acceptance, Unconditional Self-Acceptance, and Attitudes About Human Worth. In Study 2 (n = 354), we sought to validate the shorter version of the scale. The twofactor solution, comprising Unconditional and Conditional Self-Acceptance, explained 51 % of the variance. Re-testing the two-factor structure on a different sample, the CFA revealed satisfactory fit indices. Apart from good internal consistency, the shortened scale showed comparable associations with appropriate convergent and discriminant constructs (e.g., explicit self-esteem, positive and negative state/trait affectivity, and the states of anxiety and depression), supporting the construct validity of the Serbian version. Further implications for research and therapeutic practice are discussed.

Keywords: conditional self-acceptance, unconditional self-acceptance, questionnaire, validation

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