Two-to-one color-response mapping and the presence of semantic conflict in the Stroop task

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dc.contributor.authorHasshim, Nabil-
dc.contributor.authorParris, Benjamin A.- the Authorsen_US
dc.identifier.citationFrontiers in Psychologyen_US
dc.description.abstractA series of recent studies have utilized the two-to-one mapping paradigm in the Stroop task. In this paradigm, the word red might be presented in blue when both red and blue share the same-response key (same-response trials). This manipulation has been used to show the separate contributions of (within) semantic category conflict and response conflict to Stroop interference. Such results evidencing semantic category conflict are incompatible with models of the Stroop task that are based on response conflict only. However, the nature of same-response trials is unclear since they are also likely to involve response facilitation given that both dimensions of the stimulus provide evidence toward the same-response. In this study we explored this possibility by comparing them with three other trial types. We report strong (Bayesian) evidence for no statistical difference between same-response and non-color word neutral trials, faster responses to same-response trials than to non-response set incongruent trials, and no differences between same-response vs. congruent trials when contingency is controlled. Our results suggest that same-response trials are not different from neutral trials indicating that they cannot be used reliably to determine the presence or absence of semantic category conflict. In light of these results, the interpretation of a series of recent studies might have to be reassessed.en_US
dc.rights© 2014 Hasshim and Parris. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.en_US
dc.titleTwo-to-one color-response mapping and the presence of semantic conflict in the Stroop tasken_US
dc.typeJournal Articleen_US
dc.statusPeer revieweden_US
dc.identifier.issueArticle 1157en_US
dc.neeo.contributorParris|Benjamin A.|aut|-
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