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Correlational findings

Study Prins (2008): study NL 2007

Public
12-18 aged, The Netherlands, 2007
Sample
Respondents
N = 15116
Non Response
Assessment
Questionnaire: web

Correlate

Authors's Label
Use of drugs
Our Classification
Distribution
in %
1: 90.98, 2: 8.64; 3: 0.39; 4: 0.00; 5: 0.00
Operationalization
Selfreport on questions about the frequency of use of hard-and softdrugs.
Summed rating
1: no problem behavior
2: some
3: rather
4: serious
5: very serious

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-HL-m-sq-n-10-a DM =   1 no problem behavior  M=7,7
  2 some                 M=7,2
  3 rather               M=8,1