September 14, 2010
by peter.taylor
0 comments
The possibility of underlying heterogeneity makes heritability studies even less informative than, as prominent geneticists have noted (e.g., Rutter 2002, 4), the method of data analysis not suggesting where to look for the underlying genetic factors that contribute to heritability. … Continue reading
September 12, 2010
by peter.taylor
2 Comments
What can researchers do on the basis of knowing a trait’s heritability if the genetic and environmental factors underlying the observed trait are heterogeneous, or if the method of data analysis does not allow researchers to rule out the possibility … Continue reading
September 11, 2010
by peter.taylor
3 Comments
Consider claims that some human trait, say IQ test score at age 18, show high heritability. These claims can be derived from analysis of data from relatives. For example, the similarity of pairs of monozygotic twins (which share all their … Continue reading