Study Wilcke et al. (2007): study NL 2007

Public

Working people, the Netherlands, 2007

Sample

Respondents

N = 3164

Non Response

Assessment

Questionnaire: Conputer Assisted Web Interview (CAWI)

Correlate

Authors's Label

It is difficult to know who my real friends are

Our Classification

Distribution

Completely agree: 3%; agree: 26%; don't agree 55%; don't agree at all: 15%.

Operationalization

Selfreport on a single question:
" It is difficult to know who my real friends are"

Rated on a 4-point scale:
4 Completely agree
3 Agree
2 Don't agree
1 Don't agree at all

Reduced to:
1 Agree
0 Don't agree

Observed Relation with Happiness