CUDIT-R: Cannabis Use Disorder Identification Test. Reflect on the past six months and select the answers that best fit your experience.
1. How often do you use cannabis?
2. How many hours were you 'stoned' on a typical day you used cannabis?
3. How often during the last six months did you find that you were not able to stop using cannabis once you had started?
4. How often during the last six months did you fail to do what was normally expected from you because of using cannabis?
5. How often in the last six months have you devoted a great deal of time to getting, using or recovering from cannabis?
6. How often in the last six months have you had a problem with your memory or concentration after using cannabis?
7. How often do you use cannabis in situations which could be physically hazardous?
8. Have you ever thought you needed to reduce or stop your use of cannabis?