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. Author manuscript; available in PMC: 2015 Nov 19.
Published in final edited form as: Anim Cogn. 2009 Jan 16;12(3):491–504. doi: 10.1007/s10071-008-0210-z

Table 6.

Frequency of self-correcting an Error before striking the end of the alley at Non-obvious choice points vs. Obvious choice points across species.

Species Total Errors Type of
choice points		 Errors Self-Corrected
(% Errors)
Chimpanzees 472 Obvious 174 Yes 121
(70%)
No 53
Non-obvious 298 Yes179
(60%)
No 119
Self-Corrected/
Total errors		 300/472
(64%)
Capuchins 1727 Obvious 555 Yes 200
(36%)
No 355
Non-obvious 1172 Yes 283
(24%)
No 889
Self-Corrected/
Total errors		 483/1727
(28%)