Descriptor
| Individual Differences | 2 |
| Infant Behavior | 2 |
| Neonates | 2 |
| Stress Variables | 2 |
| Crying | 1 |
| Facial Expressions | 1 |
| Health | 1 |
| Infants | 1 |
| Longitudinal Studies | 1 |
| Pain | 1 |
| Personality | 1 |
| More ▼ | |
Author
| Lewis, Michael | 2 |
| Worobey, John | 1 |
Publication Type
| Journal Articles | 2 |
| Reports - Research | 2 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewedWorobey, John; Lewis, Michael – Developmental Psychology, 1989
Studied individual differences in reactivity in 40 newborns. Measures of reactivity were related during the first two months of extrauterine life. (RJC)
Descriptors: Individual Differences, Infant Behavior, Infants, Longitudinal Studies
Peer reviewedLewis, Michael; And Others – New Directions for Child Development, 1989
Reports a study of 110 newborn infants' responses to the heelstick procedure to draw blood samples, and of the responses of 40 of those infants to their first inoculations at two months of age. Discusses measures of distress; stability of reactivity across time; and individual differences and health of the infant as factors in reactivity. (NH)
Descriptors: Crying, Facial Expressions, Health, Individual Differences
