Study Saad (2004a): study US 2003 /1

Public:

18+ aged, USA, 2003

Sample:

Respondents:

N = 1004

Non Response:

Assessment:

Interview: telephone (CATI)

Correlate

Authors's label

Party preference

Our Classification

Operationalization

a: Republicans
b: Independents
c: Democrats

Observed Relation with Happiness