Table 5.

Part 2, Linear mixed models for artwork ratings and baseline-corrected average pupil size.

			95% CI
Fixed effects	Estimate	SE	Lower	Upper	z-value	Pr(>|z|)
Intercept	78.53	30.12	19.50	137.57	2.61	0.009
Arousal	−2.87	2.84	−8.44	2.69	−1.01	0.312
Clearness	6.76	1.63	3.56	9.95	4.14	<0.0001
Complexity	−6.16	2.90	−11.84	−0.48	−2.12	0.034
Comprehension	1.97	2.82	−3.55	7.49	0.70	0.484
Liking	6.02	3.04	0.06	11.98	1.98	0.048
Valence	−14.86	3.45	−21.62	−8.09	−4.31	<0.0001
Trial	−1.51	0.42	−2.33	−0.69	−3.60	<0.0001