Systems Factorial Technology provides new insights on the other-race effect
The other-race effect refers to the difficulty of discriminating between faces from ethnic and racial groups other than one’s own. This effect may be caused by a slow, feature-by-feature, analytic process, whereas the discrimination of own-race faces occurs faster and more holistically. However, this distinction has received inconsistent support. To provide a critical test, we employed Systems Factorial Technology (Townsend & Nozawa in Journal of Mathematical Psychology, 39, 321–359, 1995), which is a powerful tool for analyzing the organization of mental networks underlying perceptual processes. We compared Taiwanese participants’ face discriminations of both own-race (Taiwanese woman) and other-race (Caucasian woman) faces according to the faces’ nose-to-mouth separation and eye-to-eye separation. We found evidence for weak holistic processing (parallel processing) coupled with the strong analytic property of a self-terminating stopping rule for own-race faces, in contrast to strong analytic processing (serial self-terminating processing) for other-race faces, supporting the holistic/analytic hypothesis.
KeywordsOther-race effect Holistic/analytic hypothesis Face perception Systems factorial technology
This work was supported by grants from the National Science Council (NSC 102-2628-H-006-001-MY3 to C.-T.Y.) and National Cheng Kung University (an NCKU Rising-Star Top-Notch Project Grant to C.-T.Y.), as well as by Grant ARC DP160102360 to D.R.L.
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