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

Table 6.

Results of the multi-level analyses RQ2B: mis-/matching rater and social environment ethnicity per stimulus type including interactions.

Fixed Random
Coeff B CI Stand. B SE t Coeff SD
Whole face
Intercept (reference) β00 5.42 5.39 – 5.46 0.02 276.9*** r0i 1.08
Dominant ethnicity match target (within) β10  < 0.01 − 0.04 – 0.04  > − 0.01 0.02 0.04 r1i 0.96
Whole face—including rater’s ethnicity and interaction effects
Intercept (reference) β00 5.47 5.39 – 5.55 0.04 134.5*** r0i 1.08
Dominant ethnicity match target (within) β10 − 0.78 − 0.89 to − 0.67 − 0.18 0.06 − 13.8*** r1i 0.91
Dominant ethnicity match rater (between) β01 − 0.05 − 0.14 – 0.04 − 0.02 0.05 − 1.2
Interaction β11 0.90 0.78 – 1.02 0.20 0.06 14.8***
R2conditional = 28%, AIC = 437,766, BIC = 437,842, Ω2 = 31%
Mouth part
Intercept (reference) β00 5.04 5.00 – 5.08 0.02 252.6*** r0i 1.12
Match ethnicity (within) β10 − 0.01 − 0.05 – 0.03  > − 0.01 0.02 − 0.4 r1i 0.85
Mouth part—including rater’s ethnicity and interaction effects
Intercept (reference) β00 5.05 4.97 – 5.13 0.04 121.7*** r0i 1.12
Dominant ethnicity match target (within) β10 − 0.57 − 0.67 to − 0.47 − 0.15 0.05 − 11.3*** r1i 0.82
Dominant ethnicity match rater (between) β01 0.01 − 0.10 – 0.08  > − 0.01 0.05 − 0.2
Interaction β11 0.65 0.54 – 0.75 0.17 0.05 11.9***
R2conditional = 37%, AIC = 402,766, BIC = 402,842, Ω2 = 40%
Mid-face part
Intercept (reference) β00 5.01 4.97 – 5.05 0.02 251.2*** r0i 1.13
Dominant ethnicity match target (within) β10 0.02 − 0.01 – 0.05  > − 0.01 0.02 1.4 r1i 0.66
Mid-face partincluding rater’s ethnicity and interaction effects
Intercept (reference) β00 5.06 4.98 – 5.14 0.04 121.9*** r0i 1.13
Dominant ethnicity match target (within) β10 − 0.34 − 0.42 to − 0.26 − 0.11 0.04 − 8.3*** r1i 0.65
Dominant ethnicity match rater (between) β01 − 0.06 − 0.15 – 0.04 − 0.02 0.05 − 1.2
Interaction β11 0.42 0.33 – 0.50 0.13 0.04 9.4***
R2conditional = 45%, AIC = 369,205, BIC = 369,281, Ω2 = 47%
Eyes part
Intercept (Reference) β00 5.41 5.37 – 5.45 0.02 270.3*** r0i 1.12
Dominant ethnicity match target (within) β10 0.05 0.00 – 0.09 0.01 0.02 2.1* r1i 1.00
Eyes part—including rater’s ethnicity and interaction effects
Intercept (Reference) β00 5.50 5.41 – 5.58 0.04 132.2*** r0i 1.12
Dominant ethnicity match target (within) β10 − 0.69 − 0.80 to − 0.58 − 0.18 0.06 − 12.3*** r1i 0.96
Dominant ethnicity match rater (between) β01 − 0.11 − 0.20 to − 0.01 − 0.04 0.05 − 2.3*
Interaction β11 0.85 0.73 – 0.97 0.21 0.06 14.1***
R2conditional = 35%, AIC = 413,272, BIC = 413,348, Ω2 = 38%

Nobservations = 107,616; Nraters = 3,363; Reference category was the trust ratings of the whole face. *p < 0.05, **p < 0.01, ***p < 0.001.