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IQ and Family Background: Are Associations Strong or Weak?
Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutet för social forskning (SOFI).
Stockholms universitet, Samhällsvetenskapliga fakulteten, Institutet för social forskning (SOFI).
2010 (Engelska)Ingår i: The B.E. Journals in Economic Analysis & Policy, ISSN 1935-1682, E-ISSN 1935-1682, Vol. 10, nr 1Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

For the purpose of understanding the underlying mechanisms behind intergenerational associations in income and education, recent studies have explored the intergenerational transmission of abilities. We use a large representative sample of Swedish men to examine both intergenerational and sibling correlations in IQ. Since siblings share both parental factors and neighbourhood influences, the sibling correlation is a broader measure of the importance of family background than the intergenerational correlation. We use IQ data from the Swedish military enlistment tests. The correlation in IQ between fathers (born 1951-1956) and sons (born 1966-1980) is estimated to 0.347. The corresponding estimate for brothers (born 1951-1968) is 0.473, suggesting that family background explains approximately 50% of a person's IQ. Estimating sibling correlations in IQ, we thus find that family background has a substantially larger impact on IQ than has been indicated by previous studies examining only intergenerational correlations in IQ.

Ort, förlag, år, upplaga, sidor
2010. Vol. 10, nr 1
Identifikatorer
URN: urn:nbn:se:su:diva-36448DOI: 10.2202/1935-1682.2349ISI: 000274196700006OAI: oai:DiVA.org:su-36448DiVA, id: diva2:289452
Anmärkning
(Contributions), Article 2.Tillgänglig från: 2010-01-25 Skapad: 2010-01-25 Senast uppdaterad: 2017-12-12Bibliografiskt granskad

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Förlagets fulltexthttp://www.bepress.com/bejeap/vol10/iss1/art2/

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Björklund, AndersJäntti, Markus
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Institutet för social forskning (SOFI)
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The B.E. Journals in Economic Analysis & Policy

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