Table 4.

Trustworthiness assessments of whole face (reference) and different facial parts (RQ1).

	Fixed						Random
	Coeff	B	CI	Stand. B	SE	t	Coeff	SD
Step 1: RQ1
Intercept (Reference)	β00	5.42	5.39 to 5.46		0.02	292.6***	r0i	1.04
Within-person (reference whole face)
Mouth part	β10	− 0.38	− 0.41 to − 0.36	− 0.10	0.01	− 30.9***	r1i	0.60
Mid-face part	β20	− 0.41	− 0.43 to − 0.38	− 0.11	0.01	− 29.2***	r2i	0.71
Eyes part	β30	> − 0.01	− 0.02 to 0.02	> − 0.01	0.01	− 0.10	r3i	0.46
Nobservations = 431,488; Nraters = 3,371; R2conditional = 33%, AIC = 1,634,392, BIC = 1,634,557, Ω2 = 34%
Step 2: RQ1 + EA1 + EA2 + EA3
Intercept (Reference)	β00	5.26	5.21 to 5.30		0.02	252.4***	r0i	1.08
Within-person (reference whole face)
Mouth part	β10	− 0.38	− 0.41 to − 0.36	− 0.10	0.01	− 30.8***	r1i	0.62
Mid-face part	β20	− 0.41	− 0.44 to − 0.38	− 0.11	0.01	− 29.1***	r2i	0.72
Eyes part	β30	> − 0.01	− 0.02 to 0.02	> − 0.01	0.01	− 0.1	r3i	0.47
Target-sex (male)	β40	− 0.43	− 0.45 to − 0.42	− 0.13	0.01	− 44.1***	r4i	0.48
Match—sex	β50	0.09	0.07 to 0.11	0.03	0.01	9.2***
Match—eye color	β60	0.59	0.58 to 0.61	0.18	0.01	95.7***
Match—hair color	β70	− 0.09	− 0.10 to − 0.08	− 0.03	0.01	− 16.6***
Between-subject
Difficulty face	β01	< 0.01	− 0.02 – 0.02	> − 0.01	0.01	0.1
Difficulty mouth	β02	− 0.01	− 0.03 to 0.01	− 0.03	0.01	− 1.3
Difficulty mid-face	β03	0.04	0.02 to 0.06	0.08	0.01	3.5***
Difficulty eyes	β04	> − 0.01	− 0.02 to 0.02	> − 0.01	0.01	− 0.3
Nobservations = 427,136; Nraters = 3,337; R2conditional = 39%, AIC = 1,591,754, BIC = 1,592,061, Ω2 = 39%

Whole face trust ratings served as reference category; *p < 0.05, **p < 0.01, ***p < 0.001.