van Veelen, MatthijsNowak, Martin2012-07-032011Van Veelen, Matthijs and Martin A. Nowak. 2011. Evolution: selection for positive illusions. Nature 477(7364): 282-283.0028-08361476-4687http://nrs.harvard.edu/urn-3:HUL.InstRepos:8954812Everybody knows that overconfidence can be foolhardy. But a study reveals that having an overly positive self-image might confer an evolutionary advantage if the rewards outweigh the risks.en-USevolutionpsychologyarchaeology and anthropologyJournal Article2012-07-0310.1038/477282a