This article was co-authored by Christopher Taylor, PhD. Referrals: Ames S.H. (1969). The relationship between the visibility of environmental factors and sex-related alignment: effects of genes, cognitive potential, and education. Archives Pediatrics, 112, 1325-1238. doi:10.1001/ajp.2006.0125 CrossRef Full Text Baumeister E.F., Smith C.A.