Study Graham (2005): study US 1972

Public

18+ aged, general public, United States, 1972-98

Survey name

CN-GSS 2003

Sample

Respondents

N = 24128

Non Response

Assessment

Interview: face-to-face

Correlate

Authors's Label

Age

Our Classification

Operationalization

Self-report on single question:
"In what year were you born?"

taken into account the current age in years

Observed Relation with Happiness