They did't do threshold when they analyzed the overall refractive error
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送交者: wasguru 于 2007-05-01, 10:59:06:
回答: I meant this pair doesn't 使同卵双胞胎的相关性高出很多 由 Enlighten 于 2007-05-01, 10:53:03:
They did dichotomization when they calculated the heritability of myopia. After dichotomization, yes you are right that extreme pair is no longer an outlier. But many hyperopia pairs are also included in the myopia analysis (they are all false/false), which makes the result meaningless.
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