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. Author manuscript; available in PMC: 2009 Dec 7.
Published in final edited form as: J Vis. 2008 Jan 24;8(1):16.1–1616. doi: 10.1167/8.1.16

Figure 10.

Figure 10

Simulation Statistics for Appearance Model (panels A, B, and C). Histograms of p-values for 500 simulations of the appearance task using 10 ideal observers. All simulations yielded significant main effects of attention (panel A) and location (panel B); the interaction effect was significant (p < .05) for 98% of the simulations. Horizontal axes in panels a & b scaled 0 to 0.2; horizontal axis in panel C scaled 0 to 1.0. Simulation Statistics for Discrimination Model (panels D, E, and F): Histograms of p-values for 500 simulations of the appearance task using 10 ideal observers. All simulations yielded significant main effects of attention (panel A) and location (panel B); the interaction effect was significant (p < .05) for only 25% of the simulations. Horizontal axes in panels A and B scaled 0 to 0.2; horizontal axis in panel C scaled 0 to 1.0 for direct comparison to panel F.