- 18+ aged, cannabis users and non-users, USA and Canada, 200?
- N = 487
- Non Response
- Questionnaire: Conputer Assisted Web Interview (CAWI)
- Authors's Label
- Canabis use
- Our Classification
- N= 1:243, 0: 244
- 1: daily users (7 days a week)
0: non-users (never)
Selection according to questions whether or not they had ever tried cannabis.
- those who indicated "no" comprise the non user group, (0: non users);
- those indicated using cannabis seven days a week comprise the frequent cannabis user group, (1: daily users).
Observed Relation with Happiness
non-users M=21,3 SD=4,9
non-users M=21,2 (N=244)