Study Robinson & Martin (2008): study US 1972 /1
- Public
 - 18+ aged, general public, USA, 1972-2006
 - Survey name
 - US-GSS 1972-2006
 - Sample
 - Respondents
 - N = 5005
 - Non Response
 - Assessment
 - Interview: face-to-face
 
Correlate
- Authors's Label
 - Frequency of newspaper days
 - Our Classification
 - 
            
 - 
                        
 - Operationalization
 - Number of newspaper days per week
 
Observed Relation with Happiness
- very 4.5
- somewhat 4.3
- not happy 3.9
difference very/not +0.6 (.001)
- age
- education
- marital status