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. 2022 Oct 31;12:18311. doi: 10.1038/s41598-022-22709-9

Table 5.

Results of the multi-level analyses for RQ2A: mis-/matching rater and target ethnicity per stimulus type.

Fixed Random
Coeff B CI stand. B SE t Coeff SD
Whole face
Intercept β00 5.39 5.35–5.43 0.02 275.1*** r0i 1.08
Match ethnicity β10 0.15 0.11–0.19 0.04 0.02 7.8*** r1i 0.84
R2conditional = 28%, AIC = 437,792, BIC = 438,850, Ω2 = 31%
Mouth part
Intercept β00 5.02 4.98–5.06 0.02 250.9*** r0i 1.12
Match ethnicity β10 0.10 0.06–0.13 0.03 0.02 5.7*** r1i 0.77
R2conditional = 37%, AIC = 403,475, BIC = 403,532, Ω2 = 40%
Mid-face part
Intercept β00 5.00 4.96–5.04 0.02 250.2*** r0i 1.13
Match ethnicity β10 0.09 0.06–0.12 0.03 0.01 6.4*** r1i 0.60
R2conditional = 45%, AIC = 369,850, BIC = 369,907, Ω2 = 47%
Eyes part
Intercept β00 5.38 5.34–5.42 0.02 268.6*** r0i 1.12
Match ethnicity β10 0.17 0.13–0.21 0.05 0.02 9.0*** r1i 0.90
R2conditional = 35%, AIC = 414,294, BIC = 414,352, Ω2 = 38%

Rater-target ethnicity match: 0 = mismatch; 1 = match. Nobservations = 107,712; Nraters = 3,366; whole face trust ratings served as reference category. *p < 0.05, **p < 0.01, ***p < 0.001.