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Correlational findings

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 & Pencil Interview (PAPI)
Data were taken from the medical files of mothers and their babies

Correlate

Authors's Label
Age of first smile
Our Classification
Distribution
N all: 3059,  1:2,3%,   2:18,8%,   3:34,5%,   4:31,8%,   5:11,9%,   6:0,7%
Operationalization
Age of first smile as reported in medical file
1: 1-2 weeks
2: 3-4 weeks
3: 5-6 weeks
4: 7-8 weeks
5: 3-4 months
6: later than 4 months

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-AOL-m-sq-v-5-a DMt = ± 1: Mt=7.78
2: Mt=7.61
3: Mt=7.73
4: Mt=7.79
5: Mt=7.91
6: Mt=8.58 A-AOL-m-sq-v-5-a r = +.04 p < .019 A-AOL-m-sq-v-5-a BMCT = ns O-SLu-c-sq-v-5-e DMt = ± 1: Mt=7.46
2: Mt=7.21
3: Mt=7.39
4: Mt=7.49
5: Mt=7.59
6: Mt=7.74 O-SLu-c-sq-v-5-e r = +.05 p < .009 O-SLu-c-sq-v-5-e BMCT = ns O-HL-c-sq-v-5-ha DMt = ± 1: Mt=7.25
2: Mt=6.86
3: Mt=7.04
4: Mt=7.00
5: Mt=7.15
6: Mt=7.63 O-HL-c-sq-v-5-ha r = +.03 p < .128 O-HL-c-sq-v-5-ha BMCT = ns