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South African Journal of Science

versión On-line ISSN 1996-7489
versión impresa ISSN 0038-2353

Resumen

COETZEE, V.; GREEFF, J.M.; BARRETT, L.  y  HENZI, S.P.. Facial-based ethnic recognition: insights from two closely related but ethnically distinct groups. S. Afr. j. sci. [online]. 2009, vol.105, n.11-12, pp.464-466. ISSN 1996-7489.

Previous studies on facial recognition have considered widely separated populations, both geographically and culturally, making it hard to disentangle effects of familiarity with an ability to identify ethnic groups per se. We used data from a highly intermixed population of African peoples from South Africa to test whether individuals from nine different ethnic groups could correctly differentiate between facial images of two of these, the Tswana and Pedi. Individuals could not assign ethnicity better than expected by chance, and there was no significant difference between genders in accuracy of assignment. Interestingly, we observed a trend that individuals of mixed ethnic origin were better at assigning ethnicity to Pedi and Tswanas, than individuals from less mixed backgrounds. This result supports the hypothesis that ethnic recognition is based on the visual expertise gained with exposure to different ethnic groups.

Palabras clave : faces; ethnicity; facial recognition; exposure; crosscultural studies.

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