What question did this study set out to answer?

Aim to develop and validate a brief multidomain questionnaire to assess Gambling Dual Disorder (GDD) severity.

Building a Brief Multidomain Questionnaire for Gambling Dual Disorder: Psychometric Validation and RDoC‐Based Dimensional Structure

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Randomized trial developed a brief multidomain questionnaire assessing Gambling Dual Disorder severity, indicating a reliable tool for intervention.

Aim to develop and validate a brief multidomain questionnaire to assess Gambling Dual Disorder (GDD) severity.
Developed a 55-item questionnaire validated in three phases: feasibility, reliability, and validity.
Participants included 30, 57, and 223 treatment-seeking adults with DSM-5-TR Gambling Disorder.
Assessed internal consistency, test-retest reliability, and convergent validity against established instruments.
Internal consistency was excellent (α = 0.93); test-retest reliability moderate (ICC = 0.29-0.62).
Strong convergent validity was observed (r ≈ 0.51-0.72); ROC-derived cutoffs generally showed negative predictive values above 0.80.
Identified a four-factor structure related to emotional distress, impulsivity, social anxiety, and executive dysfunction.

Basurte-Villamor et al. (2026) studied this question.

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Randomized trial developed a brief multidomain questionnaire assessing Gambling Dual Disorder severity, indicating a reliable tool for intervention.