Study Knupfer et al. (1966): study US San Francisco, California 1964

Public:

23+ aged, general public, San Francisco, USA, 1964

Sample:

Respondents:

N = 979

Non Response:

29% incomplete.

Assessment:

Questionnaire: paper
Mailed questionnaire

Correlate

Authors's label

Male sex

Our Classification

Operationalization

0 Females
1 Males

Observed Relation with Happiness