DeFries-Fulker analysis of twin data with skewed distributions: cautions and recommendations from a study of children's use of verb inflections.

DeFries-Fulker (DF) analysis is an adaptation of multiple regression that is used to estimate heritability of extreme scores (h(g)2) on a dimension. Probands are identified as scoring below a cutoff that defines impairment, and one then uses regression to predict the scores of co-twins from the prob...

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Bibliografiska uppgifter
Huvudupphovsman: Bishop, D
Materialtyp: Journal article
Språk:English
Publicerad: Springer Science and Business Media, LLC 2005