The load × congruency interaction was not significant [for Experiment 2(a): F (1,15) = 3.88, MSE = 1.00, p = .068, η p 2 = .21; for Experiment 2(b): F (1,15) = 3.2, MSE = 7.06, p = .094, η p 2 = .18] but showed a trend mirroring the RTs, with greater performance costs due to incongruent distractors in the low-load condition.
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