File:Sibling Correlations for Behavioral Traits.jpg
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| Description |
English: Sibling Correlations for Behavioral Traits. This figure displays sibling correlations for five traits measured in a large sample of Swedish brother pairs born 1951–1970. All outcomes except years of schooling are measured at conscription, around the age of 18. For details on sample construction and variable definitions, see chapter 3 in Cesarini.10 The sample sizes vary by outcome, but the minimum number of pairs per sibling type is MZT = 1,154; DZT = 1,601; FST = 151,789; FSA = 1,033; HST = 4,880; HSA = 11,566; ADO = 643. Because the sample sizes are large, all correlation coefficients are precisely estimated. The standard error of a correlation coefficient estimated with N pairs of siblings is approximately (1−ρˆ2)/N−−√(1-ρ^2)∕N. For example, the approximate standard error of the 72% estimate reported in the full text (full siblings reared apart) is 2×(1−ρˆ2FSA)/N−−√=2×(1−0.3592)/1033−−−−√≈0.0542×(1-ρ^FSA2)∕N=2×(1-0.3592)∕1033≈0.054. |
| Date |
Published online: 01 February 2017 |
| Source | David Cesarini & Peter M. Visscher (2017) Genetics and educational attainment. npj Science of Learning 2, Article number: 4 doi:10.1038/s41539-017-0005-6 http://www.nature.com/articles/s41539-017-0005-6 |
| Author | David Cesarini & Peter M. Visscher |
| Permission (Reusing this file) |
This work is licensed under a Creative Commons Attribution 4.0 International License. |
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| current | 21:56, 9 February 2017 | | 900 × 648 (43 KB) | Was a bee (talk | contribs) | {{Information |Description={{en|1=Sibling Correlations for Behavioral Traits. This figure displays sibling correlations for five traits measured in a large sample of Swedish brother pairs born 1951–1970. All outcomes except years of schooling are mea... |
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