Study Leisure Development Cen (1980): study US 1979

Public:

18+ aged, general public, USA, 1979

Sample:

Respondents:

N = 1127

Non Response:

Assessment:

Interview: face-to-face
Structured interview

Correlate

Authors's label

Age

Our Classification

Operationalization

<+29/30-39/40-49/50> years

Observed Relation with Happiness