AdvertisementThe Fox And The Hedgehog: The Triumphs And Perils Of Going BigMay 15, 2017Rhaina CohenShankar VedantamTara BoyleRenee KlahrMaggie PenmanJennifer SchmidtfacebookEmailPsychologist Phil Tetlock thinks the parable of the fox and the hedgehog represents two different cognitive styles. "The hedgehogs are more the big idea people, more decisive," while the foxes are more accepting of nuance, more open to using different approaches with different problems. (Renee Klahr)