2.1 Recruitment, randomization and study procedures
Subjects (n = 500) were recruited via advertising on Craigslist (some subjects contacted the study team via review of the ClinicalTrials.gov database), were assessed for meeting the study age requirement (18–25 years; note we sought to recruit a general population sample of young adults and therefore had minimal inclusion/exclusion criteria) and consented to study participation. The study statistician created a within-sex permuted blocks randomization scheme to assign subjects to Group (moral elevation vs. Control Stimulus video) that was implemented in REDCap [