Study Greenfield & Marks (2007): study US 1995

Public:

25-74 aged, general public, USA, 1995

Survey name:

MIDUS

Sample:

Respondents:

N = 3032

Non Response:

39%

Assessment:

Interview: telephone (CATI)
After the telephone interview 87% of the respondents completed a self-administered mailback questionnaire.

Correlate

Authors's label

Has a child

Our Classification

Operationalization

1: has at least one living biological or adopted child
0: other

Observed Relation with Happiness