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Personality and Drug Use

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Are different personality types attracted to different drugs? Different use patterns? Do drugs play a role in altering our personalities? This study will be available soon!
Time Commitment
Time Commitment:
17 minutes
Study Type
Study Type:
Quantified Citizen
Quantified Citizen
Why We Are Doing This Study

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Historically, personality was believed to be a construct that matures in early adulthood and stabilizes shortly thereafter.

Recently, reports on significant changes in personality after the use of psychedelics in various age groups, have started to emerge in the scientific literature. In addition, studies have also suggested that certain personality types may help predict an individual’s response to psychedelic-assisted psychotherapies (for specifics, see References section). This simple, correlational study will explore the potential relationship between one’s history of drug use and their personality profile. Specifically, the main goal of this study is to help you learn more about yourself by completing the personality assessment. Additionally, we will also explore the correlations between personality types and past experience with drugs. Lastly, we will assess changes in personality that might have occurred over time and how they relate to reports on drug use.


Team Headshot -  (1)                

Dr. Kim Kuypers

Principal Investigator




Sarah Paschall                

Sarah Paschall





Maggie Kiraga                

Maggie Kiraga





Sonia Brodie                

Sonia Brodie





Eesmyal Santos-Brault                

Eesmyal Santos-Brault






With special thanks to:

Dr. Jim Fadiman                

Dr. Jim Fadiman






Inclusion criteria

  • the age of 18 or older
  • participants with full legal and mental capacity
  • access to a smartphone with internet (iOS or Android)

Exclusion criteria

  • lack of fluency in English
  • illiteracy

We are committed to data privacy, including encryption, anonymity and transparent policies. Your personal information stays on your device. No sign up, no email, no Facebook connection required.

Read our Privacy Policy here.


Check back for updates soon!


Mental Health & Substance Use

  • Wellness Together Canada: Call 1-866-585-0445

This is a free, confidential, 24/7 hotline providing free mental health and substance use support. Their platform offers various services ranging from basic wellness information, to one-on-one sessions with a counselor, to participating in a community of support. Whatever it is you’re looking for, visit https://wellnesstogether.ca

These are 24-hour, free, support lines (via text medium) for people experiencing all kinds of crises, including suicidal thoughts. 

  • National Suicide Prevention Lifeline (USA): Call 800-273-TALK (8255)

This is a 24-hour, toll-free, confidential suicide prevention hotline available to anyone in suicidal crisis or emotional distress. For Spanish (Español), dial 1-888-628-9454.  You can also use the Lifeline Chat on the web https://suicidepreventionlifeline.org/chat

  • Substance Abuse and Mental Health Services Administration National Helpline (USA): Call 800-662-HELP (4357)

This is a free, confidential, 24/7, 365-day-a-year treatment referral and information service (in English and Spanish) for individuals and families facing mental health and/or substance use challenges.

  • Fireside Project (USA): Call or text (3pm to 3am PST) 62-FIRESIDE > 623-473-7433

This is a peer support for those in the midst of psychedelic experiences, those sitting for others, and those integrating past psychedelic experiences. You can also access support via an app: https://firesideproject.org/app

  • Psychedelic Support Therapy

This an online directory of experienced providers, information about integration groups/circles, and online education in the psychedelic space, for more information, visit https://psychedelic.support

  • Organization of Psychedelic and Entheogenic Nurses

This organization represents nurses, at all levels of training, who work with patients utilizing therapeutic psychedelic medicines. They offer a list of clinical resources for those seeking integration and harm reduction, as well as psychedelic societies/communities, and professional organizations. If you want to learn more, visit https://openurses.org/clinical-resources.


Who is this study for? 

→ Anyone who would like to learn more about their personality.


Do I need to have past/current experience with substance use to be able to participate? 

→ Not at all.


Will this study be available in languages other than English?

→ No, unfortunately this version of the study will only be available in English. 


What will I be asked to do? 

→ You will be asked once to fill in a brief demographic survey, one standardized survey assessing your personality, and two custom questionnaires regarding substance use and the potential changes in your personality. 


How will I benefit?

→ Within 12 months from the date of study closing, you will be provided with a statistical summary report (including analytic test, visualizations, and interpretation of findings) not only on your personal scores but also on how your scores compare to participants with similar and different substance use histories. 


How will my privacy be protected?

→ All information obtained during the study will be entirely anonymous. You will never be asked to provide your real name, address, or date of birth. The Quantified Citizen app will not have access to any of your personal identifying information. You will get a unique, 12 word, randomly generated username when you sign up to the QC app and your identity will remain anonymous. Please write down this username and keep it in a secure location. If for any reason you no longer have access to your QC account, and you do not remember your username, QC will not be able to regenerate your account. 


Who will have access to my data?

→ All of the data you enter into the Quantified Citizen app will be encrypted and stored on servers located in Canada. Only authorized QC staff can access server logs based on their role and a need-to-know basis in order to fulfill their duties. Anonymous data will be made accessible to all researchers involved with this study. The anonymous data may be accessible to other researchers in the future. 


Can I withdraw from the study? 

→ Your participation in this study is strictly voluntary. You may decline to enter or withdraw from the study at any time without any consequences or explanation. Should you choose to leave the study, you will be given the option to complete a final assessment and then be logged out of your account. No new data will be collected. Data that has already been collected will still be used in the study and cannot be deleted because it will already be anonymized and encrypted.