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. 2017 Jul 10;12(7):e0180837. doi: 10.1371/journal.pone.0180837

Table 2. Associations between real election outcomes and face-based inferences of competence.

Average Agreement Cross-country Comparison
U.S. Electiona Korean Electionb U.S—Koreanc
All participants (N = 80) 54.60% 54.15% 0.45%
SD 8.46% 7.50% t (79) = 0.38
95% CI [53.03%, Inf) [52.76%, Inf) [-1.89%, 2.79%]
Caucasian participants (N = 40) 55.33% 55.46% -0.13%
SD 8.87% 7.45% t (39) = -0.08
95% CI [52.97%, Inf) [53.47%, Inf) [-3.38%, 3.14%]
Korean participants (N = 40) 53.87% 52.85% 1.02%
SD 8.08% 7.41% t (39) = 0.59
95% CI [51.71%, Inf) [50.88%, Inf) [-2.48%, 4.51%]

aAverage agreement between U.S. election outcomes and face-based inferences of competence, and its one-sided t-test against chance level 50%.

bAverage agreement between Korean election outcomes and face-based inferences of competence, and its one-sided t-test against chance level 50%.

cTwo-sided t-tests on the average agreement across U.S. and Korean elections.