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. Author manuscript; available in PMC: 2010 Jan 1.
Published in final edited form as: J Exp Psychol Anim Behav Process. 2009 Jan;35(1):74–91. doi: 10.1037/a0012926

Fig. 15.

Fig. 15

The magnitude of the DOE (i.e., the difference between average log d values with differential and nondifferential outcomes) as a function of the log ratio of total differential to nondifferential reinforcement. Filled diamonds present estimated differences for signaled differential and nondifferential trials in the study by Jones et al. (1995); see text for calculation. The unfilled symbols give average differences for the baseline conditions averaged within the present Experiments 1, 2, and 3.