Study Callan (1986): study US California 1981

Public

Intentionally childless and intentionally parents, California, USA, 198?

Survey name

Unnamed study

Sample

Respondents

N = 76

Non Response

Assessment

Questionnaire: paper
not reported, assumed

Correlate

Authors's Label

Childless vs Parents

Our Classification

Distribution

not reported

Operationalization

1: parents
0: childless

Observed Relation with Happiness