The Gambling Symptom Assessment Scale (G-SAS): A reliability and validity study

Won Kim Suck Won Kim, Jon E. Grant, Marc N. Potenza, Carlos Blanco, Eric Hollander

Research output: Contribution to journalArticlepeer-review

149 Scopus citations


Two hundred seven patients with DSM-IV Pathological Gambling Disorder completed both the Gambling Symptom Assessment Scale (G-SAS) and the Yale-Brown Obsessive-Compulsive Scale - modified for Pathological Gambling (PG-YBOCS) at baseline visit and weekly or biweekly thereafter during the 12-week study period. The week 1 to week 2 visit data were used to assess test-retest reliability. Weekly or biweekly data were used for the G-SAS validity. The PG-YBOCS reliability and validity data have been published previously. We used the PG-YBOCS as the established scale and compared the G-SAS performance with the PG-YBOCS. Test-retest reliability was statistically significant. The correlations between the G-SAS and the PG-YBOCS and Clinical Global Impression rating were excellent. Findings suggest that the G-SAS is reliable and valid in assessing changes in symptoms during a drug treatment study.

Original languageEnglish (US)
Pages (from-to)76-84
Number of pages9
JournalPsychiatry Research
Issue number1
StatePublished - Mar 31 2009
Externally publishedYes


  • Gambling Symptom Assessment Scale (G-SAS)
  • Pathological Gambling Disorder
  • Rating scale
  • Reliability
  • Validity
  • Yale-Brown Obsessive-Compulsive Scale-Pathological Gambling (PG-YBOCS)

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry


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