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GamTest: Psychometric Evaluation and the Role of Emotions in an Online Self-Test for Gambling Behavior
Stockholm University, Faculty of Social Sciences, Department of Psychology, Clinical psychology.
Stockholm University, Faculty of Social Sciences, Department of Psychology, Clinical psychology.
Number of Authors: 4
2017 (English)In: Journal of Gambling Studies, ISSN 1050-5350, E-ISSN 1573-3602, Vol. 33, no 2, 505-523 p.Article in journal (Refereed) Published
Abstract [en]

Recent increases in the number of online gambling sites have made gambling more available, which may contribute to an increase in gambling problems. At the same time, online gambling provides opportunities to introduce measures intended to prevent problem gambling. GamTest is an online test of gambling behavior that provides information that can be used to give players individualized feedback and recommendations for action. The aim of this study is to explore the dimensionality of GamTest and validate it against the Problem Gambling Severity Index (PGSI) and the gambler's own perceived problems. A recent psychometric approach, exploratory structural equation modeling (ESEM) is used. Well-defined constructs are identified in a two-step procedure fitting a traditional exploratory factor analysis model as well as a so-called bifactor model. Using data collected at four Nordic gambling sites in the autumn of 2009 (n = 10,402), the GamTest ESEM analyses indicate high correspondence with the players' own understanding of their problems and with the PGSI, a validated measure of problem gambling. We conclude that GamTest captures five dimensions of problematic gambling (i.e., overconsumption of money and time, and monetary, social and emotional negative consequences) with high reliability, and that the bifactor approach, composed of a general factor and specific residual factors, reproduces all these factors except one, the negative consequences emotional factor, which contributes to the dominant part of the general factor. The results underscore the importance of tailoring feedback and support to online gamblers with a particular focus on how to handle emotions in relation to their gambling behavior.

Place, publisher, year, edition, pages
2017. Vol. 33, no 2, 505-523 p.
Keyword [en]
Gambling, Behavior self-diagnostic test, GamTest, Validation, Exploratory structural equation modeling (ESEM), Online gambling
National Category
Psychology
Identifiers
URN: urn:nbn:se:su:diva-144665DOI: 10.1007/s10899-017-9676-4ISI: 000402186400012PubMedID: 28265831OAI: oai:DiVA.org:su-144665DiVA: diva2:1128246
Available from: 2017-07-24 Created: 2017-07-24 Last updated: 2017-07-24Bibliographically approved

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