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. Author manuscript; available in PMC: 2009 Mar 25.
Published in final edited form as: J Exp Psychol Hum Percept Perform. 2008 Dec;34(6):1501–1514. doi: 10.1037/a0011393

Figure 2.

Figure 2

(A) Proportion of successful reaches (S/(S+F)) for S#8 in one condition plotted by absolute aperture size, overlaid with the affordance function fitted to the success rate. The horizontal dashed line denotes 50% success and the vertical dashed line denotes the aperture size at the 50% success rate (affordance threshold). (B) Proportion of attempted reaches for S#8 plotted by absolute aperture size and normalized to the affordance threshold (lower axis). Solid vertical line denotes the affordance threshold.