Study Cantril (1965): study NG 1963
- Public
 - 21+ aged, general public, Nigeria, 1962-63
 - Survey name
 - INT-Cantril World Survey
 - Sample
 - Respondents
 - N = 1200
 - Non Response
 - -
 - Assessment
 - 
        Interview: face-to-face                    
Structured interview 
Correlate
- Authors's Label
 - Region in Nigeria
 - Our Classification
 - 
            
 - 
                        
 - Operationalization
 - West, East, North
 
Observed Relation with Happiness
East : Mt = 3.6
North : Mt = 5.5