Kanazawa, Satoshi 
ORCID: 0000-0003-3786-8797
(2012)
Intelligence, birth order, and family size.
Personality and Social Psychology Bulletin, 38 (9).
pp. 1157-1164.
ISSN 0146-1672
Abstract
The analysis of the National Child Development Study in the United Kingdom (n = 17,419) replicates some earlier findings and shows that genuine within-family data are not necessary to make the apparent birth-order effect on intelligence disappear. Birth order is not associated with intelligence in between-family data once the number of siblings is statistically controlled. The analyses support the admixture hypothesis, which avers that the apparent birth-order effect on intelligence is an artifact of family size, and cast doubt on the confluence and resource dilution models, both of which claim that birth order has a causal influence on children’s cognitive development. The analyses suggest that birth order has no genuine causal effect on general intelligence.
| Item Type: | Article |
|---|---|
| Official URL: | http://psp.sagepub.com/ |
| Additional Information: | © 2012 Society for Personality and Social Psychology |
| Divisions: | Management |
| Subjects: | B Philosophy. Psychology. Religion > BF Psychology H Social Sciences > HQ The family. Marriage. Woman |
| Date Deposited: | 25 Jun 2012 13:59 |
| Last Modified: | 01 Feb 2025 04:55 |
| URI: | http://eprints.lse.ac.uk/id/eprint/44449 |
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