Study Kiecolt & Acock (1990): study US 1980

Public:

18 + aged; Blacks, USA, 198?

Sample:

Respondents:

N = 1911

Non Response:

33%

Assessment:

Interview: face-to-face
Structured interview by Black interviewer

Correlate

Authors's label

respondent's income

Our Classification

Operationalization

family income in US in 1978

Observed Relation with Happiness