Study Matlin (1966): study PR 1963
- Public
 - 20+ aged, general public, Puerto Rico, 1963-1964
 - Sample
 - Respondents
 - N = 1417
 - Non Response
 - Assessment
 - 
        Interview: face-to-face                    
Structured interview 
Correlate
- Authors's Label
 - Pleased at accomplishment
 - Our Classification
 - 
            
 - 
                        
 - Operationalization
 - Question: "During the past week, did you ever feel pleased about having accomplished something?" no vs yes (Item in Affect Balance Scale: AFF 2.3)