Study Davis (1984): study US 1972

Public:

18+ aged, general public, USA, 1972-1982

Sample:

Respondents:

N = 13581

Non Response:

Assessment:

Interview: face-to-face

Correlate

Authors's label

Membership of Voluntary organisations

Our Classification

Operationalization

Single direct question: Here is a list of organisations. Could you tell me whether or not you are member of each type?
0 belongs to none
1 belongs to one
2 belongs to 2 or more

Observed Relation with Happiness