The Effect of Including a Monetary Motive Item on the Gambling Motives Questionnaire in a Sample of Moderate Gamblers
by:Kristianne Dechant, Michael Ellery
This study explored the factor structure of the Gambling Motives Questionnaire (GMQ) with a large stratified sample of 839 moderate gamblers (49% female; median age category = 45–54 years) and examined the effect of including a monetary motive item on GMQ factor structure. Participants responded to a telephone survey in which they were asked how often they gamble for each of 16 reasons, including the 15 GMQ motives and an additional motive: “to win money”. Exploratory principal components analysis of the 15 GMQ items revealed three factors, together accounting for 49.04% of the total variance in GMQ scores. The factors tapped enhancement, coping and social motives, although only the coping subscale displayed strong internal consistency. A second exploratory principal components analysis of the 15 GMQ items and the monetary motive item continued to reveal three factors tapping enhancement, coping and social motives. The addition of the monetary motive item strengthened the independence of the components and dramatically improved the internal consistency of the enhancement factor. The results suggest that the psychometric properties of the GMQ, when used with a population of moderate gamblers, may be considerably strengthened with only minor modifications.
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