Study Jansma (1997): study NL Friesland 1994

Public

Adult general public, Frisia, Netherlands, 1994

Survey name

Unnamed study

Sample

Respondents

N = 1362

Non Response

Assessment

Interview: face-to-face

Correlate

Authors's Label

Children

Our Classification

Distribution

N = 1: 229, 0: 872

Operationalization

1: has children
0: no children

Observed Relation with Happiness