Study Kivett (1976): study US 1970

Public:

65+ aged, North Carolina, USA, 1970-71

Sample:

Respondents:

N = 469

Non Response:

Assessment:

Interview: face-to-face
Structured interview

Correlate

Authors's label

Educational level

Our Classification

Operationalization

7-step scale, ranging from less than 7 years of school to graduate professional training.     
(Hollingshead l965)

Observed Relation with Happiness