Body Acceptance by Others: Refinement of the Construct, and Development and Psychometric Evaluation of a Revised Measure – the Body Acceptance by Others Scale-2

Swami, Viren and Todd, Jennifer and Stieger, Stefan and Furnham, Adrian and Horne, George and Tylka, Tracy (2021) Body Acceptance by Others: Refinement of the Construct, and Development and Psychometric Evaluation of a Revised Measure – the Body Acceptance by Others Scale-2. Body Image, 36. pp. 238-253. ISSN 1873-6807

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Official URL: https://doi.org/10.1016/j.bodyim.2020.11.007

Abstract

The Body Acceptance by Others Scale (BAOS) measures the degree to which individuals perceive body acceptance by others, but its factor structure is questionable. Here, we developed a revision of the BAOS (i.e., the BAOS-2) by designing novel items reflective of generalised perceptions of body acceptance by others. In three studies, we examined the psychometrics of the 13-item BAOS-2. Study 1, with United Kingdom adults (N = 601), led to the extraction of a unidimensional model of BAOS-2 scores and provided evidence of 4-week test-retest reliability. Study 2, with United Kingdom adults (N = 423), indicated that the unidimensional model of BAOS-2 scores had adequate fit and that scores were invariant across gender. Study 2 also provided evidence of convergent, construct, criterion, discriminant, and incremental validity. Study 3 cross-validated the fit of the unidimensional model in adults from the United State (N = 503) and provided evidence of invariance across gender and national group. Internal consistency coefficients of BAOS-2 scores were adequate across all three studies. There were no significant gender differences in BAOS-2 scores and a significant national difference had a negligible effect size. Thus, the BAOS-2 is a psychometrically-sound measure that can be utilised in future research.

Item Type: Journal Article
Keywords: Body acceptance by others, Scale development, Psychometrics, Positive body image, Measurement invariance
Faculty: Faculty of Science & Engineering
SWORD Depositor: Symplectic User
Depositing User: Symplectic User
Date Deposited: 17 Nov 2020 10:18
Last Modified: 20 Jan 2021 11:33
URI: https://arro.anglia.ac.uk/id/eprint/706055

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