Planned and unplanned drinking to get drunk: A registered report examining willingness, drinking motives, and protective behavioral strategies using ecological momentary assessment.

Objective: We examined alcohol use and consequences across five categories of same-day drinking intentions and willingness and tested whether same-day motives and protective strategies predicted differences in outcomes across categories of intentions and willingness.

Method: In a 14-week ecological momentary assessment design, undergraduate student participants (N = 196) reported drinking intentions and behaviors over 13 surveys weekly (four morning surveys [Thursday through Sunday]; three midday, early, and late evening surveys [Thursday through Saturday]). On average, participants were 20.

Impact of Legalization on Cannabis Use, Attitudes, and Purchasing Preferences: A Repeated Cross-Sectional Survey of Canadian Young Adults.

Objective: The Government of Canada legalized recreational cannabis use in October of 2018 with the implementation of the . The act aimed to reduce the illicit cannabis market, improve consumer health outcomes, and reduce youth access to cannabis. However, little is known about the attitudes and behaviors of young adults, who have been shown to have a high prevalence of cannabis use, towards cannabis after legalization.

Stress and Mood Associations With Smartphone Use in University Students: A 12-Week Longitudinal Study.

The current study used device-logged screen-time records to measure week-to-week within-person associations between stress and smartphone use in undergraduate students ( = 187; mean age = 20.1 years). The study was conducted during fall 2020 and focused on differences across types of app used and whether accumulated screen use each week predicted end-of-week mood states.