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| Birth Order | 3 |
| Comparative Analysis | 2 |
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| Child Development | 4 |
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| Crouter, Ann C. | 1 |
| Helms-Erikson, Heather | 1 |
| Ingersoll, Evan W. | 1 |
| McHale, Susan M. | 1 |
| Pine, Julian M. | 1 |
| Rowe, David C. | 1 |
| Thoman, Evelyn B. | 1 |
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Peer reviewedPine, Julian M. – Child Development, 1995
Investigated birth-order differences in children's early vocabulary development. Compared the composition and age of acquisition of the first 50 and 100 words of 9 firstborns and their younger siblings, using a longitudinal maternal diary methodology. A small but significant birth-order effect was found for the age at which the 50-word milestone…
Descriptors: Birth Order, Comparative Analysis, Developmental Stages, Individual Differences
Peer reviewedRowe, David C.; And Others – Child Development, 1992
Used a longitudinal sibling research design and a large, nationally representative sample of 15- to 22-year-old siblings to study shared and unshared environmental influences on delinquency. Although no unshared family environmental influences were found for sisters and mixed-sex siblings, they may have existed for brothers. Data suggested…
Descriptors: Adolescents, Adults, Birth Order, Blacks
Peer reviewedIngersoll, Evan W.; Thoman, Evelyn B. – Child Development, 1999
Used time-lapse video to record sleep/wake states of preterm infants for three 24-hour periods at 33 and 35 weeks conceptional age. Found that very-low-birthweight preterm infants showed marked stability and developmental change in the organization of sleep/wake states from a very early age, and their states were related to demographic variables…
Descriptors: Age Differences, Birth Weight, Individual Development, Individual Differences
Peer reviewedCrouter, Ann C.; Helms-Erikson, Heather; Updegraff, Kimberly; McHale, Susan M. – Child Development, 1999
Examined correlates of parents' knowledge about their children's daily experiences. Found between- and within-family differences as a function of mothers' work involvement, sibling composition, and children's and adults' personal qualities. Fathers knew more when mothers worked longer hours. Parents knew more about younger than older offspring.…
Descriptors: Birth Order, Child Rearing, Children, Comparative Analysis
