Articles lacking reliable references from April 2011 Create Talk0 Category page This page needs content. You can help by adding a sentence or a photo! Add to this page! “Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual... Evolutionary pressure Pages in category "Articles lacking reliable references from April 2011" This category contains only the following page. E Evolutionary pressure Retrieved from "http://psychology.wikia.com/wiki/Category:Articles_lacking_reliable_references_from_April_2011"