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Screening tools

People with problem gambling tend to keep their problems hidden due to stigma, shame or their own perception that it is not a problem. Screening is key to improving detection of problem gambling. Short and easy-to-administer screening tools are available.


The NODS-CLiP is a brief, three-question screening instrument that is derived from the DSM-IV (Toce-Gersten, et al., 2009; Volberg, et al., 2011).

Problem Gambling Severity Index (PGSI)

The PGSI is a validated, nine-question screener, which was developed in Canada (Ferris & Wynne, 2001).