Study DeVoe & Pfeffer (2009): study US 1987
- Public
 - Working people, USA, 1987 - 1988
 - Sample
 - Respondents
 - N = 13007
 - Non Response
 - Assessment
 - Interview: face-to-face
 
Correlate
- Authors's Label
 - Income
 - Our Classification
 - 
            
 - 
                        
 - Distribution
 - M = 30,107.60, SD = 34,033.20
 - Operationalization
 - Self report on household wage and salary income
 
Observed Relation with Happiness
paid by the hour: r = +.09 (001)
Significant interaction between income and hourly status, income has a greater effect on happiness for those paid by the hour:
β = +.05 (02)
- hourly status (salaried vs paid by the hour)
- occupation
- age
- gender
- education
- marital status
- having children