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Dooga Blackrazor
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I am reading a book that is a bit old, and it presents studies by Record and Myrianthopoulos about twin IQ differences. Record argues that the IQ of twins who had their twin die pre-natal is higher than twin pairs. Myrianthopoulos did a similar study with conflicting results and low variances.
I am learning toward Record, but I am wondering if further studies have been done on the matter.
Thanks
I am learning toward Record, but I am wondering if further studies have been done on the matter.
Thanks