Rothbart (1981): study US Oregon 1976
Publication
- Author(s):
- Rothbart, M.K.
- Title:
- Measurement of Temperament in Infancy
- Source:
- Child development, 1981, 52, 560-578
Investigation
- Public
- 3-12 months aged infants, Oregon, United States, 197?
- Survey name
- Unnamed study
- Sample
- Non-probability purposive sample
- Respondents
- N = 215
- Non Response
- 41%
- Assessment
- Behavioural observation
Happiness Measure(s) and Distributional Findings
- Full text:
-
Rating by parents of smiling and laughter in 15 different situations, such as
During the last week, when being undressed, how often did your child smile or laugh?
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
Part of Rothbart Infant Behavior Questionnaire IBQ - Classification:
- A-CA-cw-rdf-v-7-a
- Author's label:
- Smiling and Laughter
- Page in publication:
- 573, 574, 575
- Error estimates:
- Correlations of ratings across 15 situations: at 3 months: mr=+.57 (range: 0.40 - 0.75) at 6 months: mr=+.49 (range: 0.29 - 0.62) at 9 months: mr=+.46 (range: 0.28 - 0.64) at 12 months: mr=+.51 (range: 0.27 - 0.74) Reliability of the 15 items: at 3 months: 0.85 at 6 months: 0.77 at 9 months: 0.73 at 12 months: 0.80