Measuring Self-efficacy in Gambling: The Gambling Refusal Self-Efficacy Questionnaire |
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Authors: | Leanne M Casey Tian P S Oei Katherine M Melville Emily Bourke Peter A Newcombe |
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Institution: | (1) School of Psychology, Griffith University, Mt Gravatt Campus, Brisbane, 4111, QLD, Australia;(2) School of Psychology, University of Queensland, Brisbane, QLD, Australia |
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Abstract: | This paper reports on the development and psychometric properties of a Gambling Refusal Self-Efficacy Questionnaire (GRSEQ).
Two hundred and ninety-seven gamblers from both normal and clinical populations completed an initial set of 31-items of which
26 were selected for inclusion in the final version of the GRSEQ. A series of factor analyses showed four clear factors accounting
for 84% of the variance. These factors can be summarised as situations and thoughts associated with gambling, the influence
of drugs on gambling, positive emotions associated with gambling and negative emotions associated with gambling. The GRSEQ
total score and factors scores showed high internal consistency (Cronbach’s alpha ranging from 0.92 to 0.98). Participants
experiencing problems with gambling scored significantly lower on the GRSEQ, and discriminant analyses showed that the scale
is able to correctly classify the non-problem (i.e., community and student samples) and problem gamblers (i.e., clinical sample).
Furthermore, the GRSEQ showed significant negative relationships with other gambling-related variables (gambling urge and
gambling-related cognitions) and negative mood states (depression, anxiety and stress) and was shown to be sensitive to change
in treatment of pathological gambling. The results suggest that the GRSEQ is a useful measure of gambling refusal self-efficacy
that is suitable for assessment of gamblers from both normal and clinical populations. |
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Keywords: | Assessment Gambling Problem gambling Psychometric Self-efficacy |
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