. Author manuscript; available in PMC: 2012 Oct 1.

Published in final edited form as: Am J Primatol. 2011 May 23;73(10):1012–1030. doi: 10.1002/ajp.20966

Table 6.

Proportion of attempts made with two hands by each subject per Condition.

SPECIES	SUBJECT	COND. 0	COND. 1	COND. 2	COND. 3	ALL COND.
PAN	Lana^**	0.00	0.00	0.23	0.26	0.23
	Mercury	0.01	0.14	0.17	---	0.13
	Panzee^**	0.19	0.74	0.54	0.86	0.73
	Sherman^**	0.00	0.00	0.25	0.22	0.20
	All Chimpanzees	0.05	0.22	0.30	0.37	0.30

CEBUS	Chris	0.18	0.19	0.21	0.21	0.20
	Jobe	0.27	---	---	---	0.27
	Leo	0.42	0.40	0.34	0.16	0.30
	Mickey	0.40	0.00	---	---	0.21
	Nick^**	0.00	0.05	0.05	---	0.05
	Solo^**	0.44	0.52	0.77	0.76	0.72
	Xavier	0.19	0.07	---	---	0.10
	Xenon^##	0.42	0.20	0.23	0.31	0.26
	All Capuchins	0.28	0.20	0.23	0.31	0.26

^**

significantly increased proportion of attempts that were bimanual in asymmetrical conditions (2/3) compared to symmetrical conditions (0/1), P<0.05.

^##

significantly decreased proportion of attempts that were bimanual in asymmetrical conditions (2/3) compared to symmetrical conditions (0/1), P<0.05.