Abstract
People readily ascribe personality traits to others and believe that faces hold important guides to character. Here we examined the relationship between static facial appearance and self-reported cooperation/defection using the prisoner's dilemma (N=193). Study 1 combined face images of those self-reporting they would be most and least likely to cooperate. The composites of cooperators were seen as more cooperative than non-cooperators. Study 2 demonstrated accuracy with ratings of individual faces. Masculinity of face shape was negatively related to self-reported cooperation for men, but not women. Further, ratings of smile intensity were positively, but not significantly, related to self-reported cooperation. Overall, individuals appear able judge the potential of others to cooperate from static facial appearance alone at rates greater than chance.
| Original language | English |
|---|---|
| Pages (from-to) | 507-512 |
| Number of pages | 6 |
| Journal | Personality and Individual Differences |
| Volume | 54 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1 Mar 2013 |
Funding
Anthony Little is supported by a Royal Society University Research Fellowship. Robin Dunbar is supported by a European Research Council Advanced Grant.
Keywords
- accuracy
- cooperation
- detection
- prisoner's dilemma
- social perception
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