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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
Vocal Reactivity
Our Classification
Operationalization
Parent's report on:
Amount of vocalization exhibited by the baby in daily activities (in total 12 items like: "When being dressed undressed during the last week, how often did the baby coo or vocalize?")

Rated:
1  never
2  very rarely
3  less than half the time
4  about half the time
5  more than half the time
6  almost always
7  always

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-CA-cw-rdf-v-7-b mr = +.62 boys:  r=+.61 p<.01
girls: r=+.63 p<.01
A-CA-cw-rdf-v-7-ab mr = +.52 boys:  r=+.52 p<.01
girls: r=+.51 p<.01
A-CA-cw-rdf-v-7-ba mr = +.25 boys:  r=+.22 p<.01
girls: r=+.27 p<.01