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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: Neurobiol Learn Mem. 2016 Jun 11;133:61–68. doi: 10.1016/j.nlm.2016.06.005

Figure 2.

Figure 2

Acquisition and final performance of a discriminated heterogeneous instrumental chain. a.) Mean elevation scores of procurement and consumption responding over the final acquisition sessions in which the response requirement for each was Random Ratio 4. b.) Mean response rates in the final acquisition session on procurement and consumption manipulanda during the 30-s pre-procurement SD period (Pre-SP), the procurement SD (SP), and the consumption SD (SC). Error bars are the standard error of the mean. From Thrailkill and Bouton (2015a).