Psychometric Validation of the Chinese Version of Gambling Symptom Assessment Scale (C-GSAS)

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Abstract
Reliable tools for assessing gambling symptom severity in gambling disorder (GD) are critical for both research and clinical intervention. The Gambling Symptom Assessment Scale (GSAS) is widely used but lacks validation in Chinese-speaking populations. Our study aimed to evaluate the psychometric properties of the Chinese version of GSAS (C-GSAS) among 186 treatment-seeking GD patients. Internal consistency was excellent (Cronbach’s α = 0.93), and exploratory factor analysis revealed a two-factor model: Cognitive-Preparatory and Emotional-Consequential Factors. Confirmatory factor analysis supported the two-factor structure with satisfactory model fit indices. Concurrent validity was established through significant correlations with the Chinese version of Problem Gambling Severity Index (β = 0.32, p < 0.01) and a Visual Analog Scale for gambling craving (β = 0.67, p < 0.01). The C-GSAS is a reliable and valid measure for assessing gambling severity in patients with GD.
Funding Information
  • National Science and Technology Council (NSTC 111-2314-B-532-008)
  • National Science and Technology Council (NSTC -112-2314-B-532-003)
  • Taipei City Government (TPECH 11401-62-022)
  • Taipei City Government (TPECH 11401-62-024)
  • Taipei City Hospital (TPCH-113-56)

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