Articles that may contain original research since May 2012 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... Biased sample Primate cognition Pages in category "Articles that may contain original research since May 2012" The following 2 pages are in this category, out of 2 total. C Biased samplePrimate cognition Retrieved from "http://psychology.wikia.com/wiki/Category:Articles_that_may_contain_original_research_since_May_2012"