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Screening and assessment tools are used as part of an ongoing, collaborative process between client and counsellor to determine whether a problem exists and the degree of severity and impact.​

Please note that this section is currently under revision and new information will be coming soon.

Clipboard with screener 
Gambling, Gaming & Technology Use
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Problem Gambling Severity Index (PGSI)

The PGSI is an abbreviated version of the original tool called the Canadian Problem Gambling Index, consisting of nine items rather than 31. Clients can use it as a self-assessment tool, or you can use it as part of your screening process.

​The original 31-item tool, which measures gambling involvement, problem gambling behaviour and consequences, was initially developed to measure the prevalence of gambling and problem gambling in the general population. Research is currently being done to test its use with a treatment population.

The Gambling Quiz​ is an online version of the PGSI, and a ​​PDF version is downloadable below.

​​Problem Gambling Severity Index​ - English

​​Problem Gambling Severity Index​ - French

​DSM-5 Diagnostic Criteria: Gambling Disorder

The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) is the primary system used to classify and diagnose mental health disorders. The DSM-5 classifies "Gambling Disorder" as an addictive disorder and describes it as ongoing and repetitive engagement in gambling activities that leads to significant distress or impairment. Learn more about the diagnostic criteria for "Gambling Disorder" in the DSM-5.

Inventory of Gambling Situations (IGS)

The IGS is a treatment planning ​and/or relapse prevention tool developed by researchers at the Centre for Addiction and Mental Health. Learn more about the IGS.



The NODS-CLiP is a three-question assessment tool that is effective in identifying people who have gambling problems. If one or more of the three questions is answered with a "yes," the person may have a problem with gambling, which then needs to be further explored (e.g., using the PGSI). Learn more about the NODS-CLiP.