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Correlational findings

Study Gartstein & Rothbart (2002): study US Oregon 1997

Public:
3-12 months aged infants, Oregon, United States, 199?
Survey name:
Unnamed study
Sample:
Respondents:
N = 361
Non Response:
24%
Assessment:
Questionnaire: paper
Revised Infant Behavior Questionnaire; Raters mostly mothers (90%), data also collected from secondary caregiver (58% fathers) of 26 infants (4-12 months aged)

Correlate

Authors's label
Age
Our Classification
Operationalization
Group1: 3- 6 Months
Group2: 6- 9 Months
Group3: 9-12 Months

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-CA-cw-rdf-v-7-ab DM = Group 1: M=5.67 sd=0.79
Group 2: M=6.03 sd=0.59
Group 3: M=6.15 sd=0.57
A-CA-cw-rdf-v-7-ba DM = Group 1: M=5.32 sd=0.85
Group 2: M=5.07 sd=0.95
Group 3: M=4.84 sd=0.88