Michal Kosinski: Predicting Personality from Digital Footprints


DATE
Thursday August 6, 2015
TIME
3:00 PM - 3:00 PM

Stanford professor and ‘big data’ expert Dr. Michal Kosinski will be giving a talk at 3pm on August 6th, 2015 in the Suedfeld Lounge.
Title: “Predicting Personality from Digital Footprints”
Abstract: Personality traits form a key driver behind people’s behaviour, cognitions, motivations, and emotions; therefore, assessing others’ personality is a basic social skill and a crucial element of successful social interactions. However, based on a sample of over a million participants, I show that personality judgments made by computers―and based on generic and pervasive digital footprints (Facebook Likes)―are more accurate than those made by participants’ friends, family members, and even romantic partners. Furthermore, compared with humans, computers achieve higher inter-judge agreement and superior external validity (i.e. are better at predicting life outcomes). In some cases, computer-based personality judgments are even more valid than self-reported personality scores. I conclude by discussing the consequences of computers outpacing humans in this basic social-cognitive skill



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