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Table 2 Item difficulties δ for each stimulus by group

From: Spider phobics more easily see a spider in morphed schematic pictures

 
Spider Phobics -6.77*** -1.48 -.58 1.42 3.03* 4.15*** 7.08***
Spider Aficionados -6.93*** -2.79*** -3.38*** -1.91* -.42 1.82* 6.09***
Social Phobics -7.40*** -3.03*** -2.82** -.39 .81 2.02* 4.16***
Controls -6.32*** -2.93*** -2.51*** -.67 .91 1.87** 4.83***
  1. Negative δ-values show a propensity to be classified as a flower; positive δ-values show a propensity to be classified as a spider. Significances: * p < .01, ** p < .001, *** p < .0001