This paper is in the following e-collection/theme issue:

Longitudinal and Cohort Studies in Public Health (421) Public (e)Health, Digital Epidemiology and Public Health Informatics (1031) Substance Abuse (536) Opioid and Related Substance Misuse (203) Substance and Alcohol Abuse in Adolescence (135)

Published on in Vol 12 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/85652, first published .
Developmental Trajectories of Positive Expectancies of Cannabis Use Effects Among Early Adolescents: Longitudinal Observational Study Using Latent Class Growth Analysis

Developmental Trajectories of Positive Expectancies of Cannabis Use Effects Among Early Adolescents: Longitudinal Observational Study Using Latent Class Growth Analysis

Developmental Trajectories of Positive Expectancies of Cannabis Use Effects Among Early Adolescents: Longitudinal Observational Study Using Latent Class Growth Analysis

Authors of this article:

Weisiyu Abraham Qin1 Author Orcid Image ;   Dong-Chul Seo2 Author Orcid Image ;   Wura Jacobs2 Author Orcid Image ;   Sijia Huang3 Author Orcid Image ;   Kit K Elam2 Author Orcid Image
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