Study Staats et al. (1995a): study US 1989

Public

50+aged full time employees, USA, 1989

Survey name

Unnamed study

Sample

Respondents

N = 160

Non Response

Assessment

Interview: face-to-face
Face to face interview at first session, followed by questionnaires send home at each of the next four sessions with instructions to complete in the evening 1 or 2 days before the next scheduled interview

Correlate

Authors's Label

Age

Our Classification

Operationalization

a: 50-59
b: 60-69
c: 70 and over

Observed Relation with Happiness