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Correlational findings

Study Boniel-Nissim et al. (2015): study NL 2009

Public
Students, aged 11-15, Netherlands, 2009-2010
Survey name
INT-HBSC 2009/2010
Sample
Respondents
N = 4591
Non Response
Assessment
Questionnaire: Paper & Pencil Interview (PAPI)
Questionnaire was filled in in the classroom

Correlate

Authors's Label
Electronic media use with friends
Our Classification
Operationalization
Electronic media use in days per week:
1 0-2 days       
2 3-6 days
3 Everyday

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks C-BW-c-sq-l-10-a DM = -                  Mean     SD      DM
1 0-2 days(ref.) 8,18   1,45  
2 3-6 days       8,02   1,34   -0.16
3 Everyday       7,76   1,59   -0.42 C-BW-c-sq-l-10-a F = 8,69 p < .001 F= 8,69