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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: J Exp Anal Behav. 2013 Sep 30;101(1):10–25. doi: 10.1002/jeab.51

Fig. 3.

Fig. 3

Average number of pecks to the comparisons per trial on T-B and H-W baseline trials, T-G and H-R “negative” probes trials, and T-R and H-G “positive” probe trials during the eight symmetry tests for Subjects CTR1, CTR3 and CTR5.