Publikation: Distinguishing response conflict and task conflict in the Stroop task : Evidence from ex-Gaussian distribution analysis
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A brief narrative description of the journal article, document, or resource. It has been suggested that performance in the Stroop task is influenced by response conflict as well as task conflict. The present study investigated the idea that both conflict types can be isolated by applying ex-Gaussian distribution analysis which decomposes response time into a Gaussian and an exponential component. Two experiments were conducted in which manual versions of a standard Stroop task (Experiment 1) and a separated Stroop task (Experiment 2) were performed under task-switching conditions. Effects of response congruency and stimulus bivalency were used to measure response conflict and task conflict, respectively. Ex-Gaussian analysis revealed that response conflict was mainly observed in the Gaussian component, whereas task conflict was stronger in the exponential component. Moreover, task conflict in the exponential component was selectively enhanced under task-switching conditions. The results suggest that ex-Gaussian analysis can be used as a tool to isolate different conflict types in the Stroop task.
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STEINHAUSER, Marco, Ronald HÜBNER, 2009. Distinguishing response conflict and task conflict in the Stroop task : Evidence from ex-Gaussian distribution analysis. In: Journal of Experimental Psychology : Human Perception and Performance. 2009, 35(5), pp. 1398-1412. ISSN 0096-1523. eISSN 1939-1277. Available under: doi: 10.1037/a0016467BibTex
@article{Steinhauser2009Disti-1400,
year={2009},
doi={10.1037/a0016467},
title={Distinguishing response conflict and task conflict in the Stroop task : Evidence from ex-Gaussian distribution analysis},
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journal={Journal of Experimental Psychology : Human Perception and Performance},
pages={1398--1412},
author={Steinhauser, Marco and Hübner, Ronald}
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