Fig 2. Log observing-response ratios as a function of log obtained S+ delivery ratios.
Data are means from the last six sessions of each condition. Regressions of Equation 2 are shown with slope (a), intercept (b), and variance accounted for (r2).
Data are means from the last six sessions of each condition. Regressions of Equation 2 are shown with slope (a), intercept (b), and variance accounted for (r2).