Study Ventegodt (1997): study DK 1993
- Public:
- 31-33 aged, born at the university hospital, Denmark, 1993
- Sample:
- Respondents:
- N = 4626
- Non Response:
- 36%
- Assessment:
-
Questionnaire: paper
Data were taken from the medical files of mothers and their babies
Correlate
- Authors's label
- Age of first crawling without support
- Our Classification
-
-
- Operationalization
- Age of first crawling without support as reported in medical file
1: 3-4 months
2: 5-6 months
3: 7-8 months
4: 9-10 months
5: 11-12 months
6: cannot in 1 year
Observed Relation with Happiness
2: Mt=8.03
3: Mt=7.80
4: Mt=7.76
5: Mt=7.86
6: Mt=7.60
2: Mt=7.50
3: Mt=7.39
4: Mt=7.44
5: Mt=7.55
6: Mt=7.33
2: Mt=7.06
3: Mt=7.05
4: Mt=7.04
5: Mt=7.05
6: Mt=7.06