The Gratton effect remains after controlling for contingencies and stimulus repetitions

Christopher Blais, Katerina Stefanidi, Gene Brewer

Research output: Contribution to journalArticle

23 Scopus citations

Abstract

The Gratton effect, the observation that the size of the Stroop effect is larger following a congruent trial compared to an incongruent trial, is one pivotal observation in support of the conflict-monitoring hypothesis. Previous reports have demonstrated that non-conflict components, such as feature binding, also contribute to this effect. Critically, Schmidt and De Houwer (2011) report a flanker task and a button-press Stroop task suggesting that there is no conflict adaptation in the Gratton effect; it is entirely caused by feature binding. The current investigation attempts to replicate and extend this important finding across two experiments using a canonical four-choice Stroop task with vocal responses. In contrast to Schmidt and De Houwer, we observe reliable conflict adaptation after controlling for feature binding. We argue that the overall strength of conflict is critical for determining whether a conflict adaptation component will remain in the Gratton effect after explaining binding components.

Original languageEnglish (US)
Article number1207
JournalFrontiers in Psychology
Volume5
Issue numberOCT
DOIs
StatePublished - 2014

ASJC Scopus subject areas

  • Psychology(all)

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