Figure 3.

Results of Experiment 2. (a) Mean accuracy (top panel) and RTs (bottom panel) in the search task as a function of color repetition for search trials that followed probe trials (“1st”) and search trials that followed search trials (“2nd”). These data show no IFP effect. (b) Mean accuracy (top panels) and RTs (bottom panels) in the probe task. The left panels plot the effect of singleton-probe relative location and task order. The right panels plot the effect of singleton-probe relative location and color repetition, only for probe trials that followed search trials. The stimulus-driven attentional effect of the singleton can be seen as higher accuracy and lower RTs on same-location than different-location trials. Again, that effect did not depend significantly on probe trial order or singleton color repetition. Error bars are ±1 within-subject standard error (Morey, 2008). *p < 0.05. **p < 0.01.