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 & Pencil Interview (PAPI)
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

Remarks

Part of the Revised Infant Behavior Questionnaire (IBQ-R); Same rating scale as used for rating of happiness with cheerful appearance

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