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. Author manuscript; available in PMC: 2009 Jun 1.
Published in final edited form as: Behav Processes. 2008 Jan 31;78(2):145–157. doi: 10.1016/j.beproc.2008.01.012

Figure 1.

Figure 1

Reanalysis of rats observing as a function of the rate of primary reinforcement associated with an S+ in Shahan (2002). Regressions of Equation 1 and the resultant parameters are shown in each panel.