Study Bahr & Harvey (1980): study US 1972
- Public
 - Recently widowed miner`s wives and controls,USA, 1972
 - Sample
 - Respondents
 - N = 222
 - Non Response
 - Widows 39% ,survivor wives 19% ,other miners wives 48%
 - Assessment
 - 
        Interview: face-to-face                    
Highly structured 
Correlate
- Authors's Label
 - Diversity of organisational affiliations
 - Our Classification
 - 
            
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 - Related specification variables
 - 
                
 - 
                            
 - Operationalization
 - Direct question on number of organisational memberships.(-fellowship organisations,-labour unions, -proffessional groups,-political or action groups,-recreational or social groups,-hobby groups,-community or neighbour organisations,-any other type of organisation).
 
Observed Relation with Happiness
mine fire)