Study Biswas-Diener & Diener (2006): study ZZ East-West pairs 2005
- Public
 - Homeless people, Calcutta (India), Fresno & Portland (USA), 200?
 - Sample
 - Respondents
 - N = 186
 - Non Response
 - 19
 - Assessment
 - 
        Questionnaire: Paper & Pencil Interview (PAPI)                    
Questionnaires for literate, oral interviews for illiterate participants 
Correlate
- Authors's Label
 - Temporary
 - Our Classification
 - 
            
 - 
                        
 - Distribution
 - N = a: 78, b; 41, c: 67
 - Operationalization
 - Homeless people living in:
a: USA: Fresno, clients of service for homeless
b: USA Portland, self governing tent camp named 'Dignity Village
c: India: Calcutta pavement dwellers 
Observed Relation with Happiness
b: M = +0,67
India c: M = +0,46