Metaanálisis de generalización de la fiabilidad de la Bergen Shopping Addiction Scale (BSAS)
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La Bergen Shopping Addiction Scale (BSAS) es una escala ampliamente utilizada para evaluar las compras compulsivas como conducta adictiva. El objetivo de este estudio fue analizar la fiabilidad de la versión de 7 ítems del BSAS y examinar posibles variables moderadoras. Se realizó un metaanálisis con 15 estudios que incluían 17 muestras independientes. El valor medio del alfa fue 0,88 (95 % CI [0,86 a 0,90]), con alta heterogeneidad (I2 = 97,99 %). Las variables que más contribuyeron a dicha heterogeneidad fueron la edad media de la muestra (R2 = 0,50) y la desviación típica de la edad (R2 = 0,36). En conjunto, los resultados indican que el BSAS es una escala fiable y consistente para evaluar las compras compulsivas. Estos hallazgos subrayan la importancia de reportar la fiabilidad en los estudios empíricos y sirven como base para futuras investigaciones sobre la versión de 28 ítems y sus propiedades psicométricas.
The Bergen Shopping Addiction Scale (BSAS) is a widely used instrument for as-sessing compulsive buying as an addictive behavior. This study aimed to examine the reliability of the 7-item version of the BSAS and explore potential moderat-ing variables. A meta-analysis was conducted, including 15 studies with 17 inde-pendent samples. The average Cronbach’s alpha was .88 (95% CI [.86 to .90]), with high heterogeneity (I² = 97.99%). The variables contributing most to this heterogeneity were the mean age of the sample (R² = .50) and the standard de-viation of age (R² = .36). Overall, the findings indicate that the BSAS is a reliable and consistent measure for assessing compulsive buying. These results highlight the importance of reporting reliability estimates in empirical research and pro-vide a foundation for future studies on the 28-item version and its psychometric properties.
The Bergen Shopping Addiction Scale (BSAS) is a widely used instrument for as-sessing compulsive buying as an addictive behavior. This study aimed to examine the reliability of the 7-item version of the BSAS and explore potential moderat-ing variables. A meta-analysis was conducted, including 15 studies with 17 inde-pendent samples. The average Cronbach’s alpha was .88 (95% CI [.86 to .90]), with high heterogeneity (I² = 97.99%). The variables contributing most to this heterogeneity were the mean age of the sample (R² = .50) and the standard de-viation of age (R² = .36). Overall, the findings indicate that the BSAS is a reliable and consistent measure for assessing compulsive buying. These results highlight the importance of reporting reliability estimates in empirical research and pro-vide a foundation for future studies on the 28-item version and its psychometric properties.
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Carrasco-Reig, M., Martí-Vilar, M., González-Sala, F., & Esparza-Reig, J. (2026). Metaanálisis de generalización de la fiabilidad de la Bergen Shopping Addiction Scale (Bsas). Quaderns de Psicologia, 28(2), e2317. https://doi.org/10.5565/rev/qpsicologia.2317




