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. Author manuscript; available in PMC: 2009 Mar 3.
Published in final edited form as: J Exp Psychol Hum Percept Perform. 2008 Apr;34(2):356–375. doi: 10.1037/0096-1523.34.2.356

Figure 1.

Figure 1

Schematic illustration of the double factorial paradigm in the domain of visual detection. Boldface symbols denote cases in which targets are present in both visual fields.