Table 2. Performance data separately for subjects with and without an in-group memory advantage.

	Subjects with a positive in-group memory advantage (based on P(A))					Subjects with no or a negative in-group memory advantage (based on P(A))
	In-group faces		Out-group faces			In-group faces		Out-group faces
	M	SD	M	SD	Cohen’s d	M	SD	M	SD	Cohen’s d
Hit minus false alarm “recollect”	0.26	0.17	0.23	0.15	0.17	0.25	0.17	0.26	0.17	0.06
Hit “recollect”	0.29	0.10	0.26	0.18	0.21	0.28	0.17	0.29	0.18	0.06
False alarm “recollect”	0.03	0.05	0.03	0.05	0.00	0.03	0.04	0.03	0.04	0.00
Hit minus false alarm IRK “familiar”	0.36	0.17	0.30	0.15	0.37	0.37	0.16	0.40	0.16	0.19
Hit IRK “familiar“	0.61	0.16	0.57	0.15	0.26	0.62	0.20	0.65	0.18	0.16
False alarm IRK “familiar”	0.25	0.15	0.27	0.16	0.13	0.25	0.13	0.25	0.14	0.00

The in-group memory advantage was determined by a median split of P(A).