Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/80237
Title: Adaptation and validation of Richmond Compulsive Buying Scale in Chinese population
Authors: Lam, SC 
Chan, ZSL
Chong, ACY
Wong, WWC
Ye, JW
Keywords: Adaptation
Translation
Compulsive buying
Behavioral addiction
Psychometric testing
Chinese
Issue Date: 2018
Publisher: Akademiai Kiado Rt
Source: Journal of behavioral addictions, Sept. 2018, v. 7, no. 3, p. 760-769 How to cite?
Journal: Journal of behavioral addictions 
Abstract: Background and aims: Compulsive buying (CB) is a behavioral addiction that is conceptualized as an obsessive- compulsive and impulsive-control disorder. The Richmond Compulsive Buying Scale (RCBS), a six-item self-reporting instrument that has been validated worldwide, was developed based on this theoretical background. This study aimed to adapt RCBS to the Chinese population (RCBS-TC) to guide future national and international prevalence studies.
Methods: This methodological study was conducted in two phases. Phase 1 involved the forward and backward translation of RCBS, the content and face validation of the RCBS, and the evaluation of its translation adequacy. Phase 2 involved the psychometric testing of RCBS-TC for its internal consistency, stability, and construct validity using confirmatory factor analysis (CFA).
Results: In Phase 1, RCBS-TC obtained satisfactory item-level (I-CVI = 83.3%-100%) and scale-level content validity index (CVI/AVE = 97.2%), comprehensibility (100%), and translation adequacy [intraclass correlation coefficient (ICC) = 0.858]. In Phase 2, based on data collected from 821 adults, RCBS-TC demonstrated a satisfactory internal consistency (Cronbach's alpha =.88; corrected item-total correlation coefficients = 0.61-0.78) 2-week test-retest reliability (ICC = 0.82 based on 61 university students). For construct validation, the CFA results indicated that the corrected first-order two-factor models were acceptable with the same goodness-of-fit indices (chi(2)/df = 8.56, CFI = 0.99, NFI = 0.98, IFI = 0.99, and RMSEA = 0.09). The 2-week test-retest reliability of RCBS-TC (n = 61) was also satisfactory (ICC = 0.82).
Discussion and conclusions: This methodological study adopted appropriate and stringent procedures to ensure that the translation and validation of RCBS-TC was of quality. The results indicate that this scale has a satisfactory reliability and validity for the Chinese population.
URI: http://hdl.handle.net/10397/80237
ISSN: 2062-5871
EISSN: 2063-5303
DOI: 10.1556/2006.7.2018.94
Rights: This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (https://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted use, distribution, and reproduction in any medium for non-commercial purposes, provided the original author and source are credited, a link to the CC License is provided, and changes – if any – are indicated.
The following publication Lam, S.C., Chan, Z.S.L., Chong, A.C.Y., Wong, W.W.C., & Ye, J.W. (2018). Adaptation and validation of Richmond Compulsive Buying Scale in Chinese population. Journal of behavioral addictions, 7 (3), 760-769 is available at https://dx.doi.org/10.1556/2006.7.2018.94
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