- Title
- Test-retest measurement invariance of the nine-item internet gaming disorder scale in two countries : a preliminary longitudinal study
- Creator
- Stavropoulos, Vasileios; Bamford, Luke; Beard, Charlotte; Gomez, Rapson; Griffiths, Mark
- Date
- 2021
- Type
- Text; Journal article
- Identifier
- http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/180959
- Identifier
- vital:15877
- Identifier
-
https://doi.org/10.1007/s11469-019-00099-w
- Identifier
- ISBN:1557-1874 (ISSN)
- Abstract
- The reliable longitudinal assessment of Internet Gaming Disorder (IGD) behaviors is viewed by many as a pivotal clinical and research priority. The present study is the first to examine the test-retest measurement invariance of IGD ratings, as assessed using the short-form nine-item Internet Gaming Disorder Scale (IGDS9-SF) over an approximate period of 3 months, across two normative national samples. Differences referring to the mode of the data collection (face-to-face [FtF] vs. online) were also considered. Two sequences of successive multiple group confirmatory factor analyses (CFAs) were calculated to longitudinally assess the psychometric properties of the IGDS9-SF using emergent adults, gamers from (i) the United States of America (USA; N = 120, 18–29 years, Meanage = 22.35, 51.6% male) assessed online and; and (ii) Australia (N = 61, 18–31 years, Meanage = 23.02, 75.4% male) assessed FtF. Configural invariance was established across both samples, and metric and scalar invariances were supported for the USA sample. Interestingly, only partial metric (factor loadings for Items 2 and 3 non-invariant) and partial scalar invariance (i.e., all thresholds of Items 1 and 2, and thresholds 1, 3, for Items 4, 6, 8, and 9 non-invariant) were established for the Australian sample. Findings are discussed in the light of using IGDS9-SF to assess and monitor IGD behaviors over time in both in clinical and non-clinical settings. © 2019, The Author(s).
- Publisher
- Springer
- Relation
- International Journal of Mental Health and Addiction Vol. 19, no. 6 (2021), p. 2003-2020
- Rights
- All metadata describing materials held in, or linked to, the repository is freely available under a CC0 licence
- Rights
- http://creativecommons.org/licenses/by/4.0/
- Rights
- Copyright @ The Author(s) 2019
- Rights
- Open Access
- Subject
- 5201 Applied and Developmental Psychology; 5203 Clinical and Health Psychology; 4206 Public Health; Gaming addiction; Gaming psychology; Internet gaming disorder; Longitudinal; Measurement invariance; Test-retest
- Full Text
- Reviewed
- Funder
- This work was funded by Nottingham Trent University
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