Personality computing is a research field related to artificial intelligence and personality psychology that studies personality by means of computational techniques from different sources, including text, multimedia and social networks.
Personality computing addresses three main problems involving personality: automatic personality recognition, perception and synthesis. Automatic personality recognition is the inference of personality type of target individuals from their digital footprint, automatic personality perception is the inference of the personality attributed by an observer to a target individual based on some observable behavior, and automatic personality synthesis is the generation of the style or behaviour of artificial personalities in Avatars and virtual agents.
Self-assessed personality tests or observer ratings are always exploited as the ground truth for testing and validating the performance of artificial intelligence algorithms for the automatic prediction of personality types. There is a wide variety of personality tests, such as the Myers Briggs Type Indicator (MBTI) or the MMPI, but the most used are tests based on the Five Factor Model such as the Revised NEO Personality Inventory.
Personality computing begun around 2005 with few pioneering research works in personality recognition showing that personality traits could be inferred with reasonable accuracy from text, such as blogs, self-presentations, and email addresses.
In the 2010s the research focussed mainly on personality recognition and perception from social media, in particular from Facebook, Twitter and Instagram. In the same years Automatic personality synthesis helped improving the coherence of simulated behavior in virtual agents.
Scientific works demonstrated the validity of Personality Computing from different digital footprints, in particular from user preferences such as Facebook page likes and showed that machines can recognize personality better than humans
Personality computing techniques, in particular personality recognition and perception, have applications in Social media marketing, where they can help reducing the cost of advertising campaigns through psychological targeting
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