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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 5.

Frequency of self-correcting an error before striking the end of the alley across species and testing groups.

Species Total
Errors
Group Errors per
Groups
Self-
corrected
Errors
Errors that
were not
self-
corrected
% Errors that were
self-corrected
Chimpanzees 472 Ordered 283 184 99 65
Random 189 116 73 61
Total 472 300 172 63.6
Capuchins 1727 Ordered 580 244 336 42
Random 1147 239 908 21
Total 1727 483 1244 28.0