Study Ventegodt (1995): study DK 1993
- Public
 - 18-88 aged, general public, Denmark, 1993
 - Sample
 - Respondents
 - N = 1494
 - Non Response
 - 39%
 - Assessment
 - 
        Questionnaire: Paper & Pencil Interview (PAPI)                    
Mailed questionnaire 
Correlate
- Authors's Label
 - Operation under general anaesthesia
 - Our Classification
 - 
            
 - 
                        
 - Distribution
 - N: 1:612, 2:30, 3:824
 - Operationalization
 - Self report on single question:
"Have you ever undergone an operation under general anaesthesia ?"
1: no
2: not sure
3: yes 
Observed Relation with Happiness
2:Ms=7.59
3:Ms=7.65
All Mt=7.78
2:Ms=7.09
3:Ms=7.39
All Mt=7.45
2:Ms=6.41
3:Ms=6.93
All Mt=6.95