Study Goldsmith & Campos (1990): study US Denver, Colorado

Public

9 months aged, infants, Denver, United States, 198?

Survey name

Unnamed study

Sample

Respondents

N = 168

Non Response

Assessment

Behavioural observation
Twins were assessed with the other twin present in room. Mother & father completed Infant Behavior Questionnaire (IBQ) independently from one another at home.

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

Distribution

paternal data: N=128;   maternal data: N=143

Operationalization

Mother's & father's reports 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