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Title: Validation of the Spanish version of the body image acceptance and action questionnaire (BI-AAQ-Spanish): Measurement invariance across cultures.
Authors: Hernández-López, Mónica
Cepeda-Benito, Antonio
Geist, Thomas
Torres-Dotor, Paula
Pomichter, Emily
Rodríguez-Valverde, Miguel
Abstract: The purpose of this study was to assess the psychometric properties of a Spanish version of the Body Image Acceptance and Action Questionnaire (BI-AAQ) and its recently developed 5-item version, the BI-AAQ-5. The BI-AAQ measures psychological flexibility/inflexibility regarding body image. A sample of Spanish adults (n = 938) completed the BI-AAQ and a battery of measures (including body mass index, psychological flexibility, exposure to and internalization of sociocultural body image expectations, body dissatisfaction, and eating disorder symptoms). Measurement invariance was tested against a U.S. American adult sample (n = 866) that completed the English version of the BI-AAQ. The unidimensional factor structure of the BI-AAQ and BI-AAQ-5 was replicated in both samples using confirmatory factor analysis, with model fit indexes ranging from adequate (e.g., CFI = 0.95) to excellent (e.g., CFI = 0.99). Internal consistency was good for both instruments across samples (α = 0.90 to 0.97). Measurement invariance analyses confirmed full configural and metric invariance and scalar partial invariance. The Spanish BI-AAQ and BI-AAQ-5 showed clear evidence of convergent and incremental construct validity. Both instruments’ scores correlated substantively with theoretically related variables. In addition, the results of a conditional process analysis showed that body-image psychological flexibility measured with either instrument moderated the mediated effect of pressure to conform to cultural ideals of body image on disordered eating through internalization of body image ideals and body dissatisfaction. We concluded both instruments are likely suitable for conducting cross-cultural research with Spanish and English-speaking samples.
Keywords: BI-AAQ
psychological flexibility
psychological inflexibility
Body image
Body satisfaction
Body dissatisfaction
Eating disorders
Thin ideal
Fit ideal
Issue Date: Mar-2024
metadata.dc.description.sponsorship: Funding for open access charge: Universidad de Jaén.
Publisher: Elsevier - Association for Contextual Behavioral Science
Citation: Hernández-López, M., Cepeda-Benito, A., Geist, T., Torres-Dotor, P., Pomichter, E., & Rodríguez-Valverde, M. (2024). Validation of the Spanish version of the body image acceptance and action questionnaire (BI-AAQ-Spanish): Measurement invariance across cultures. Journal of Contextual Behavioral Science, 32, 100755
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