Table 5. Mean values (SD) for standardized SCR, by group, and corresponding t tests, for the analyses in section 3.5 .

	Groups ( N = 22)			Groups ( N = 19)
	10 min	6 h/no-reminder	t	10 min	6 h/no-reminder	t
Re-extinction	-0.08 (0.10)	-0.01 (0.05)		-0.03 (0.03)	-0.01 (0.02)
Post-reinstatement	0.02 (0.14)	0.03 (0.21)	0.06	-0.04 (0.13)	0.11 (0.18)	2.06*
t	1.69	0.60		0.22	2.12*
Reinstatement index	0.10 (0.16)	0.04 (0.22)	0.67	-0.01 (0.14)	0.12 (0.18)	1.67

Mean values include the last 2 trials for re-extinction and the first 4 trials for post-reinstatement; the difference between post-reinstatement and re-extinction yields the reinstatement index. Paired t tests compared re-extinction to post-reinstatement per group. Independent t tests compared post-reinstatement and the reinstatement index between groups. Note that for the right panel “Groups (N = 19)” extinction data (last 2 trials) are reported instead of re-extinction data, following the apparent processing of the original authors (see text for details). *p < .05