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Correlational findings

Study Boniel-Nissim et al. (2015): study ZZ Developed nations 2009

Public
Students, aged 11-15, multiple nations, 2009-2010
Survey name
INT-HBSC 2009/2010
Sample
Respondents
N = 53973
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. Every day

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks C-BW-c-sq-l-10-a DM = +/- p < .001                  Mean   SD        DM
1 0-2 days(ref.) 7,55   2,04  
2 3-6 days       7,62   1,75   +0,07
3 Everyday       7,49   1,83   -0,06 C-BW-c-sq-l-10-a F = 27,5 p < .001 F= 27,50