Descriptor
| Age Differences | 1 |
| Birth Order | 1 |
| Child Development | 1 |
| Family (Sociological Unit) | 1 |
| Family Characteristics | 1 |
| Family Environment | 1 |
| Intellectual Development | 1 |
| Intelligence Quotient | 1 |
| Research Methodology | 1 |
Source
| American Psychologist | 1 |
Author
| Zajonc, R. B. | 1 |
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| Journal Articles | 1 |
| Reports - Descriptive | 1 |
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Peer reviewedZajonc, R. B. – American Psychologist, 2001
Birth order effects on intellectual performance show both positive and negative results. Considers the intellectual aspects of siblings' changing environments, explaining that birth order and family size effects depend crucially on the age at which children are tested. Within-family data conceal patterns of aggregate effects that are revealed by…
Descriptors: Age Differences, Birth Order, Child Development, Family (Sociological Unit)
