Emde et al. (1992): study US Colorado 1986
Publication
- Author(s):
- Emde, R.N.; Campos, J.J.; Corley, R.P.; DeFries, J.; Fulker, D. W.; Kagan, J.; Plomin, R.; Reznick, J.S.; Robinson, J.L.; Zahn-Waxler, C.
- Title:
- Temperament, Emotion, and Cognition at Fourteen Months: The MacArthur Longitudinal Twin Study
- Source:
- Child Development, Vol. 63, No. 6 (Dec., 1992), pp.1437-1455
Investigation
- Public
- 14 months aged, same-sex twin pairs, Colorado, United States, 1986-1989
- Sample
- Non-probability purposive sample
- Respondents
- N = 398
- Non Response
- Assessment
-
Behavioural observation
At 14 months: observation at home, 2 weeks later observation in laboratory
Happiness Measure(s) and Distributional Findings
- Full text:
-
Time sampled ratings of positive and negative affect made from video recordings of child behavior; 30 second intervals across 15 minutes of free play and 1minute intervals for 4 alternate 5 minute segments of the Bayley test
Assessment of discrete behaviors; observation schedule not reported
Rated on 4 step scale, scale labels not reported - Classification:
- A-CA-mi-tsb-?-4-a
- Author's label:
- Hedonic tone, positive and negative
- Remarks:
- Affect Balance computed by WDH team;
Positive Affect: M=2.32 sd=.25
Negative Affect: M=1.37 sd=.32 - Page in publication:
- 1443, 1446
- Observed distribution
- Summary Statistics
- On original range 1 - 4 On range 0-10
- Mean:
- 0.95 -
- SD:
- - -
- Full text:
-
Time sampling of prevalent mood during free play and Bayley test. Average of observations at 30 second intervals across 15 minutes of free play and 1 minute intervals for 4 alternate 5 minute segments of the Bayley test
Rated on 7 step scale, scale labels not reported - Classification:
- A-CA-mi-tsb-v-7-a
- Author's label:
- Overall mood
- Page in publication:
- 1443, 1446
- Observed distribution
- Summary Statistics
- On original range 1 - 7 On range 0-10
- Mean:
- 4.75 -
- SD:
- 1.10 -