"The spouses of Terman's gifted group (whose mean IQ was 152) averaged some 25 points lower than their gifted mates[.]"
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@JayMan471@Schmidt_Erwin assuming SD15 this implies r=.52 for ass. mating. I found a weighted mean of .48 in 4 older studies.
@JayMan471 @Schmidt_Erwin the number was slightly wrong, spouse IQ is 125, not 127, r=.48. Meta-analysis: http://emilkirkegaard.dk/en/?p=4311 r=.48
