The Effect of Response Set Size on the Stroop Interference


Previous research on the effect of response set size on the interference resulting from processing in the Stroop task – a paradigmatic test of executive control – brought equivocal conclusions. In the present paper, we analyze what predictions regarding this effect should be drawn from the most influential computational models of the Stroop as well as from our own new model. Then we test these predictions in an experiment, by manipulating response set size as well as the stimuli/response set sizes proportion, finding both evidence in favor of our model and data which is not explained by any Stroop model.

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