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Correlational findings

Study Rothbart (1981): study US Oregon 1976

Public
3-12 months aged infants, Oregon, United States, 197?
Survey name
Unnamed study
Sample
Respondents
N = 215
Non Response
41%
Assessment
Behavioural observation

Correlate

Authors's Label
Activity Level
Our Classification
Remarks
Part of Rothbart Infant Behavior Questionnaire (IBQ), Same rating scale as the "Smiling and Laughter" measure of happiness
Operationalization
Mother's report on child's gross motor activity, including
-  movement of arms and legs
- squirming
- locomotor activity

Each 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

Full list of situations not reported

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-CA-cw-rdf-v-7-a r = +.11 ns at 6 months    (N=93) A-CA-cw-rdf-v-7-a r = +.00 ns at 12 months   (N=106)