Problematic shopping behavior: an item response theory examination of the seven-item Bergen Shopping Addiction Scale

Zarate, D., Fullwood, L., Prokofieva, M., Griffiths, M.D. ORCID: 0000-0001-8880-6524 and Stavropoulos, V., 2023. Problematic shopping behavior: an item response theory examination of the seven-item Bergen Shopping Addiction Scale. International Journal of Mental Health and Addiction, 21 (6), pp. 4108-4126. ISSN 1557-1874

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Abstract

There has been an increasing amount of research examining problematic shopping behavior (PSB), often referred to in the psychological literature as “compulsive buying” or “shopping addiction.” A popular scale for assessing the risk of PSB is the seven-item Bergen Shopping Addiction Scale (BSAS). To expand our knowledge of the psychometric properties of this instrument, the present study employed Item Response Theory (IRT) and differential item functioning analyses (DIF) while concurrently attempting to determine a preliminary cut-off point. A relatively large community sample completed the BSAS online (N = 968, Mage = 29.5 years, SDage = 9.36, 32.5% women). IRT analyses showed differences regarding the BSAS items’ discrimination, difficulty, and precision, with a raw score exceeding 23 (out of 28) indicating a higher risk of shopping addiction. Finally, while most BSAS items operated equally among males and females, Item 2 (mood modification) required a higher level of shopping addiction behaviors to be endorsed by males. The BSAS functions as a reliable assessment of the risk of shopping addiction, particularly between average and high levels of the trait. Clinical implications are discussed in light of these findings.

Item Type: Journal article
Publication Title: International Journal of Mental Health and Addiction
Creators: Zarate, D., Fullwood, L., Prokofieva, M., Griffiths, M.D. and Stavropoulos, V.
Publisher: Springer
Date: December 2023
Volume: 21
Number: 6
ISSN: 1557-1874
Identifiers:
NumberType
10.1007/s11469-022-00844-8DOI
1557140Other
Rights: © the author(s) 2022. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
Divisions: Schools > School of Social Sciences
Record created by: Jonathan Gallacher
Date Added: 24 Jun 2022 12:56
Last Modified: 08 Jan 2024 14:18
URI: https://irep.ntu.ac.uk/id/eprint/46474

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