Article
Inferring the direction of causation in cross-sectional twin data: theoretical and empirical considerations.
Genetic epidemiology - 1 Jan 1994
Duffy D L, Martin N G
Abstract excerpt
A recent multivariate extension of the classical twin study in theory allows the inference of the direction of causation between correlated traits solely using cross-sectional data. In this paper we briefly review this model and assess its usefulness by applying it to a number of pairs of biological and psychological variables between which the nature of the causative relationship is already known. We conclude...
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