Study Isengard & Schneider (2002): study DE 1991

Public:

17+ aged, general public, Germany, 1991,1995,1999

Sample:

Respondents:

N = 13000

Non Response:

Assessment:

Interview: face-to-face

Correlate

Authors's label

Age group

Our Classification

Operationalization

1 youngsters (17-25 years)
2 adults (26+ years)

Observed Relation with Happiness