Article
Direction of causation between shared and non-shared environmental factors.
Behavior genetics - 1 May 2009
Ozaki Koken, Ando Juko
Abstract excerpt
Determining the direction of causation between two related variables is an interesting and challenging problem. A simple regression model is a frequently used statistical tool to find out whether a dependent variable is significantly predicted by an independent variable; however using a simple regression model cannot determine the direction of causation, because the model fit takes no account of this direction....
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