- Toddlers, same-sex twins, Colorado, United States, followed from 14 to 24 months of age, 1986-1989
- Survey name:
- Unnamed study
- N = 400
- Non Response:
behavioral observation at home and in laboratory, recorded on video tape; parental reports in questionnaire
- Authors's label
- Prohibition-positive hedonic tone
- Our Classification
- Assessed just before Bayley testing in the home and again after inhibition rooom procedure with mother;
At home, infants are shown a plastic "glitter wand" by examiner, which is then placed in front of the infant, saying: "Don't touch."
In the lab, infants are shown a basket with three colorful balls placed in front of the infant saying: "Now, don't touch."
Behavior was videotaped and rated lateron.
Two ratings were made at different points of time:
a beginning with onset of prohibition, ending with child touching toy
b beginning with onset of permission, ending 30 sec later
1 no positive emotion observed
2 positive interest
4 strong laughter