Table 7. Summary of the fixed and random effects in the multi-level model testing the effect in Experiment 1 vs. Experiment 2b.

Accuracy
Fixed Effects	Coefficient	SE	z	Pr(>|z|)
Intercept	2.16163	0.18837	11.475	<0.001
Condition	−0.51564	0.09353	−5.513	<0.001
Stimulation	0.20495	0.26747	0.766	0.4435
Experiment	−0.09481	0.26575	−0.357	0.7213
Condition*Stimulation	0.15468	0.141	1.097	0.2727
Condition*Experiment	0.08602	0.1317	0.653	0.5136
Stimulation*Experiment	−0.31089	0.35591	−0.874	0.3824
Condition*Stimulation*Experiment	−0.394	0.18072	−2.18	0.0292
Random Effects	Variance
Subject intercept	0.25221

Stimulation has two levels (cathodal and sham), Condition has two levels (C and I), and Experiment has two levels (Exp 1 and Exp 2b). See text for details. * signifies an interaction.