Spousal concordance in academic achievements and IQ: A principal component analysis
Yue Pan, Ke-Sheng Wang
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DOI: 10.4236/ojpsych.2011.12003   PDF    HTML     6,105 Downloads   11,709 Views   Citations

Abstract

Assortative mating, the tendency for mate selection to occur on the basis of similar traits plays an essential role in understanding the genetic variation on academic achievements and intelligence (IQ), it is also an important mechanism explaining spousal concordance. We used a subset of The Collaborative Study on the Genetics of Alcoholism sample to study the mating patterns in 84 pairs of spouses from Caucasian families with their academic achievements (reading, spelling, arithmetic, vocabulary and comprehension) and IQ (verbal IQ, performance IQ and full scale IQ). Simple correlation analysis showed that 6 of these 8 traits revealed evidence of spousal correlation (P < 0.05). The first principal component (PC1) of husbands explains 73.61% for the variation in the eight variables, which has high loadings from reading, spelling, arithmetic, verbal IQ and full scale IQ while PC1 of wives explains 72.86% for the variation in the eight variables, which has high loadings from reading, spelling, verbal IQ and full scale IQ. There was highly significant positive correlation between spouses by PC1 (P < 0.0001). The new variable PC1 may be important in spousal concordance and mate selection in society and act upon achievements and intelligence levels.

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Pan, Y. and Wang, K. (2011) Spousal concordance in academic achievements and IQ: A principal component analysis. Open Journal of Psychiatry, 1, 15-19. doi: 10.4236/ojpsych.2011.12003.

Conflicts of Interest

The authors declare no conflicts of interest.

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