Evaluating preferences for online psychological interventions to decrease cannabis use in young adults with psychosis: An observational study

•Moderate intensity (15 min, once a week) online psychological interventions are preferred.•Lower preferences for in-person compared to online interventions for CUD in youth with psychosis.•A combined clinician-application feedback delivery method related to cannabis use is preferred.•App-based interventions were viewed as complementary to the in-person delivered interventions.•The Best-Worst Scaling methodology enables a reliable assessment of patient preferences.