Working papers

How not to fight AIDS

The biopsychosocial approach - a note of caution


Does schizophrenia influence cannabis use?

Understanding Mendelian Randomization 

Homocystiene and coronary heart disease in the Caerphilly cohort: a 10 year follow-up

General Practice, Health & Health care - George Davey Smith 

British Journal of General Practice December (2001)

The Wright Stuff: Genes in the Interrogation of Correlation and Causation - George Davey Smith

Eur. J. Pers. 26: 391--413 (2012) DOI: 10.l 002/per

Abstract:  The contemporary use of what are now called causal diagrams can be traced back to Sewall Wright's introduction of path coefficients in the early 1920s. Wright was explicit that causal evidence was required to formulate such diagrams and that these schema could not alone provide evidence for or against causality. In population sciences, germline genetic variation can provide required anchors for the separation of causal from (mere) correlational associa­tions. Advances in biological and other material sciences offer more for improved causal understanding than new ways of conceptualising and representing associations. Copyright © 2012 John Wiley & Sons, Ltd.

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