Study Iannotti et al. (2009): study ZZ Developed nations 2008
- Public:
- 11, 13 and 15 aged, 41 nations, 2008-2009
- Sample:
- Respondents:
- N = 204534
- Non Response:
- Assessment:
-
Questionnaire: paper
Qestionnaire completed in class
Correlate
- Authors's Label
- Screen-based media use
- Our Classification
-
-
- Related specification variables
-
-
- Operationalization
- Self report of hours spend per day on:
A: Using a computer during free time (excluding time spent doing homework)
B: Watching television (including videos)
Computation: average hours per day on A and B