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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: J Exp Psychol Anim Learn Cogn. 2015 Apr 27;41(3):232–246. doi: 10.1037/xan0000064

Figure 1.

Figure 1

Acquisition and extinction of responding in Experiment 1. (a) Acquisition of procurement and consumption responding. (b) Procurement and consumption response rates during preprocurement, procurement, and consumption discriminative stimuli periods (preprocurement [Pre-SP], procurement [SP], and consumption [SC], respectively) during the final session of acquisition. (c) Elevation scores of Procurement response rates in 4-trial blocks across sessions of extinction. Error bars are the SEM, and only appropriate for between-groups comparisons.