Study Bachman et al. (1978): study US 1966
- Public
 - Public highschool boys followed 8 years from grade 10, USA, 1966-74
 - Sample
 - Respondents
 - N = 1628
 - Non Response
 - 2.8% at T1, 17.2% at T2, 21.0% at T3, 28.9% at T4, 28.5% at T5
 - Assessment
 - 
        Multiple assesment methods                    
Interviews, tests and questionnaires 
Correlate
- Authors's Label
 - Satisfaction with own school work
 - Our Classification
 - 
            
 - 
                        
 - Remarks
 - Assessed at T1 and T2
 - Operationalization
 - Selfreport on single question:"How satisfied are you with the way you're actually doing in school?" 
1 = not at all
2 = not very;
3 = somewhat
4 = quite;
5 = very satisfied 
Observed Relation with Happiness
Happiness T1 T2
T1 tau = +.20 (001) +.11 (01)
T2 tau = +.17 (001) +.16 (001)
T3 tau = +.10 (01) +.12 (01)
T4 tau = +.10 (01) +.11 (01)
T1:1966, T2:1968, T3:1969, T4:1970