Medium versus difficult visual search: How a quantitative change in the functional visual field leads to a qualitative difference in performance.

Probably the only noteworthy outcomes were the marginally significant main effect of eligibility F (1, 15)=4.29, p =.056, η p 2 =.222, indicating that there was a trend towards fewer errors for 50% eligibility than for 100% (.077 vs. .093), and the two-way interaction between eligibility and target F (1, 15)=5.98, p =.027, η p 2 =.285, which indicates that this trend was pronounced only for present trials (50% eligibility .146; 100% eligibility .175).

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