Study Campbell (1981): study US 1978

Public

18+ aged, general public, USA, 1978

Sample

Respondents

N = 3692

Non Response

about 20 %

Assessment

Interview: face-to-face
at home

Correlate

Authors's Label

Level of education

Our Classification

Operationalization

1. No high school
2. Some high school
3. High school graduate
4. Some college
5. College graduate.

Observed Relation with Happiness