Table 5.

Regression model with answer correct as the dependent variable.

Fixed effects	Estimate	Std. Error	z value
(Intercept)	2.97484	0.19790	15.032	∗∗∗
Familiarity	0.45390	0.06469	7.016	∗∗∗
Transparency	0.88302	0.05114	17.268	∗∗∗
Imageability	-0.22449	0.04964	-4.522	∗∗∗
Subjective Frequency	0.13631	0.05165	2.639	∗∗
Usage	0.15305	0.06329	2.418	∗
Objective Frequency	0.16227	0.06099	2.660	∗∗
Familiarity × Transparency	-0.07417	0.02945	-2.518	∗
Familiarity × Imageability	-0.06873	0.02749	-2.500	∗

^∗p < 0.05, ^∗∗p < 0.01; ^∗∗∗p < 0.001.