Study Gillespie (2001): study US 2001

Public:

18+ aged, general public, United States, 2001

Survey name:

Gallup poll

Sample:

Respondents:

N = 1004

Non Response:

Assessment:

Interview: telephone (CATI)

Correlate

Authors's label

Annual Income

Our Classification

Operationalization

1: less than $19.999
2: more than $50.000

Observed Relation with Happiness