Table 3. Average percentage of correct choices in each of the cognitive tasks according to rearing history, experiment 3.

	Orphan		Mother-reared
Task	Mean	n	Mean	n	Significantly different?
Intention emulation	0.21	14	0.00	8	No
Social obstacle	0.15	13	0.27	10	No
Gaze-following around barriers	0.21	14	0.23	13	No
Social inhibition	0.52	13	0.43	13	No
Gaze-following	0.22	14	0.25	14	No
Attentional state	0.20	13	0.10	14	No
Intentions	0.64	13	0.57	12	No
Social learning	0.07	14	0.00	8	No
Reputation	0.56	14	0.57	14	No
Object permanence	0.58	12	0.68	12	No
Transposition	0.44	12	0.57	12	No
Relative numbers	0.72	12	0.72	12	No
Tool properties	0.53	12	0.63	12	Yes (p = 0.05)
Tool use	0.08	12	0.44	9	No

The first 9 items are social cognition tasks and the latter 5 are physical cognition tasks.