Table 2.

Linear mixed effects models of skin conductance responses for the fear conditioning phases. Main effects of conditioned stimulus (CS) and trial and their interactions. CS- reference condition.

Phase	β	SE	t	p
Acquisition
CS: CS+	0.01	0.03	0.387	.699
trial	−0.01	0.003	2.596	.009 * *
CS × trial	0.01	0.005	3.307	< .001 * **
Extinction learning
CS: CS+	0.06	0.02	2.579	.001 * *
trial	−0.01	0.003	5.241	< .001 * **
CS × trial	0.005	0.004	1.217	.223
Retention test
CS: CS+	0.09	0.03	3.397	< .001 * **
trial	−0.02	0.003	4.878	< .001 * **
CS × trial	−0.01	0.004	1.432	.152

Notes. β = estimate. SE: Standard error. * p < .05, * * p < .01, * ** p < .001.