highly significantp < .001
A highly significant main effect of Stimulus Type was also observed ( F (1,67) = 288.092, p < .001, η p 2 = .81), with a higher mean frequency of switches in the feature condition ( M = 7.53, SEM = .26, 95% CI [7.00, 8.05]) compared to the conjunction condition ( M = 2.29, SEM = .25, 95% CI [1.79, 2.79]).