Table 12. Summary of the fixed and random effects in the multi-level model testing the effect in Experiment 1 vs. Experiment 3.

Accuracy
Fixed Effects	Coefficient	SE	z	Pr(>|z|)
Intercept	2.16068	0.18335	11.785	<0.001
Condition	−0.51548	0.09351	−5.512	<0.001
Stimulation	0.20571	0.2604	0.79	0.43
Experiment	0.05531	0.23698	0.233	0.815
Condition*Stimulation	0.15451	0.14099	1.096	0.273
Condition*Experiment	−0.06515	0.12098	−0.539	0.59
Stimulation*Experiment	−0.36742	0.34197	−1.074	0.283
Condition*Stimulation*Experiment	−0.27713	0.17882	−1.55	0.121
Random Effects	Variance
Subject intercept	0.2373

Stimulation has two levels (cathodal and sham), Condition has two levels (C and I), and Experiment has two levels (Exp 1 and Exp 3). See text for details. * signifies an interaction.