Measuring Gambling Outcome Expectancies in Adolescents: Testing the Psychometric Properties of a Modified Version of the Gambling Expectancy Questionnaire

• DOI: 10.1007/s10899-021-10053-y
• Publication Date: 2021-07-07T17:27:01Z
• Authors: Maria Anna Donati; Jeffrey L. Dereve...; Beatrice Cipollini; Laura Di Leonardo; Giuseppe Iraci Sa...; Caterina Primi
• Keywords: Adolescents, Gambling, Outcome expectancies, Gambling Expectancy Questionnaire—Modifed, Invariance; Male; Original Paper; Adolescent; Psychometrics; Reproducibility of Results; 3. Good health; 03 medical and health sciences; Surveys and Questionnaires; Gambling; Humans; Female; Factor Analysis, Statistical; 0305 other medical science

The Gambling Expectancy Questionnaire (GEQ; Gillespie et al. 2007a) is a 23-item scale assessing three positive outcome expectancies (Enjoyment/Arousal, Money, Self-Enhancement) and two negative (Over-Involvement, Emotional Impact) related to gambling. It the most used instrument assess gambling in adolescents it has good psychometric properties. To allow greater more useful application of scale, present study aimed modify GEQ make usable with all adolescents, regardless their behaviour verify its that aim, items were modified response was reduced from seven-point five-point Likert scale. adequacy studies conducted among Italian adolescents. In first (n = 501, 75% males, Mage 16.74, SD .88), after having removed four relocating another through explorative factor analysis, original five-factor structure confirmed by applying confirmatory analysis. Reliability validity evidence also provided. second 1894, 61% 15.68, .71) attested invariance across status gender. version (GEQ - MOD) can be profitably for research preventive purposes youth.