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Dr. Joseph A. De Leo, Ph.D., C.Psych.
Dr. Joseph A. De Leo, Ph.D., C.Psych.
Verified email at uottawa.ca - Homepage
Title
Cited by
Cited by
Year
Problematic Internet use and other risky behaviors in college students: An application of problem-behavior theory.
JA De Leo, E Wulfert
Psychology of addictive behaviors 27 (1), 133, 2013
1972013
Subtypes of Attention Deficit-Hyperactivity Disorder (ADHD) and Cannabis Use
M Loflin, M Earleywine, JA De Leo, A Hobkirk
Substance use & misuse 49 (4), 427-434, 2014
662014
Psychometric validation of the BDI-II among HIV-positive CHARTER study participants.
AL Hobkirk, AJ Starosta, JA De Leo, CM Marra, RK Heaton, M Earleywine
Psychological assessment 27 (2), 457, 2015
602015
The effects of perceived quality on behavioral economic demand for marijuana: A web-based experiment
PC Vincent, RL Collins, L Liu, J Yu, JA De Leo, M Earleywine
Drug and Alcohol Dependence 170, 174-180, 2017
432017
Integration in psychedelic-assisted treatments: Recurring themes in current providers’ definitions, challenges, and concerns
M Earleywine, F Low, C Lau, J De Leo
Journal of Humanistic Psychology, 00221678221085800, 2022
312022
Examining bias in the impulsive sensation seeking (ImpSS) Scale using Differential Item Functioning (DIF)–An item response analysis
JA De Leo, NT Van Dam, AL Hobkirk, M Earleywine
Personality and Individual Differences 50 (5), 570-576, 2011
182011
How important is a guide who has taken psilocybin in psilocybin-assisted therapy for depression?
M Earleywine, F Low, BR Altman, J De Leo
Journal of Psychoactive Drugs 55 (1), 51-61, 2023
152023
Scoping review of experiential measures from psychedelic research and clinical trials
Z Herrmann, M Earleywine, J De Leo, S Slabaugh, T Kenny, AJ Rush
Journal of psychoactive drugs 55 (4), 501-517, 2023
132023
Psychedelic-assisted psychotherapy for depression: How dire is the need? How could we do it?
M Earleywine, J De Leo
Journal of Psychedelic Studies 4 (2), 88-92, 2020
122020
A brief behavioral telehealth intervention for veterans with alcohol misuse problems in VA primary care
JA De Leo, K Lamb, S LaRowe, EJS Ana
Drug & Alcohol Dependence 140, e45, 2014
122014
Cognitive Behavioral Therapy, Ketamine, and Combination Treatment for Depression: Impressions of Credibility in Participants with Self-Reported Depressive Symptoms
M Earleywine, B Altman, J De Leo
Journal of Psychoactive Drugs, 1-11, 2021
82021
Exploring Drug Sourcing among Regular Prescription Opioid Users in Canada: Data from Toronto and Victoria
B Fischer, JA De Leo, C Allard, M Firestone-Cruz, J Patra, J Rehm
Canadian Journal of Criminology and Criminal Justice/La Revue canadienne de …, 2009
82009
Expectancies for cannabis-induced emotional breakthrough, mystical experiences and changes in dysfunctional attitudes: perceptions of the potential for cannabis-assisted …
M Earleywine, MN Mian, BR Altman, JA De Leo
Cannabis 5 (2), 16, 2022
72022
Psilocybin without psychotherapy: a cart without a horse?
M Earleywine, J De Leo, D Bhayana, B Rajanna, K Scott
American Journal of Psychiatry 181 (1), 78-79, 2024
52024
Life, Drugs, and the Making of Meaning
JA De Leo, M Earleywine
The Experience of Meaning in Life, 393-403, 2013
52013
Exploring the credibility of psilocybin-assisted therapy and cognitive-behavioral therapy for depression
BR Altman, M Earleywine, J De Leo
Journal of psychoactive drugs 54 (5), 462-470, 2022
42022
Expectancies for Subjective and Antidepressant Effects in Psilocybin Users
M Earleywine, MN Mian, JA De Leo
Journal of Humanistic Psychology, 00221678231194798, 2023
32023
A Semantic Scale Network analysis of the revised Mystical Experiences Questionnaire: A call for collaboration
M Earleywine, F Low, J De Leo
Journal of Psychedelic Studies 5 (3), 156-165, 2022
32022
Adaptation of an acute psychiatric unit to a concurrent disorders unit to increase capacity and improve patient care
H Raymond, M Amlung, JA De Leo, T Hashmani, J Younger, J MacKillop
Canadian Journal of Addiction 7 (3), 25-33, 2016
32016
An examination of internal family systems interventions for trauma with implications for ethical psychedelic-assisted treatment
M Earleywine, AB Oliva, JA De Leo, R Banks
Journal of Psychedelic Studies, 2024
12024
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