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Can you tell how smart someone is just by looking at them?

Eric Barker
February 18, 2012

Depends on how old they are:

  • People were better than chance at determining how smart kids were.
  • They were slightly more accurate than chance with adults.
  • No more accurate than chance with teens and the elderly.

The abstract:

The authors investigated accuracy of judging intelligence from facial photos of strangers across the lifespan, facial qualities contributing to accuracy, and developmental paths producing correlations between facial qualities and IQ scores. Judgments were more accurate than chance in childhood and puberty, marginally more accurate in middle adulthood, but not more accurate than chance in adolescence or late adulthood. Reliance on the valid cue of facial attractiveness could explain judgesâ accuracy. Multiple developmental paths contributed to relationships between facial attractiveness and IQ: biological, environmental, influences of intelligence on attractiveness, influences of attractiveness on intelligence. The findings provide a caveat to evolutionary psychologistsâ assumption that relationships between attractiveness and intelligence or other traits reflect an influence of âgood genesâ on both, as well as to social and developmental psychologistsâ assumption that such relationships reflect self-fulfilling prophecy effects. Each of these mechanisms failed to explain some observed correlations.

Source: “Looking Smart and Looking Good: Facial Cues to Intelligence and their Origins” from Personality and Social Psychology Bulletin

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Post Information
Title Can you tell how smart someone is just by looking at them?
Author Eric Barker
Date February 18, 2012 4:53 PM UTC (12 years ago)
Blog bakadesuyo
Archive Link https://theredarchive.com/blog/bakadesuyo/can-you-tell-how-smart-someone-is-just-by-looking.14639
https://theredarchive.com/blog/14639
Original Link https://www.bakadesuyo.com/2012/02/can-you-tell-how-smart-someone-is-just-by-loo/
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