Individual but not fragile: Individual differences in task control predict Stroop facilitation

Consciousness and Cognition 22 (2):413-419 (2013)


The Stroop effect is composed of interference and facilitation effects. The facilitation is less stable and thus many times is referred to as a “fragile effect”. Here we suggest the facilitation effect is highly vulnerable to individual differences in control over the task conflict . We replicated previous findings of a significant correlation between stop-signal reaction time and Stroop interference, and also found a significant correlation between SSRT and the Stroop facilitation effect—participants with low inhibitory control had no facilitation effect or even a reversed one. These results shed new light on the “fragile” facilitation effect and highlight the necessity of awareness of task conflict, especially in the Stroop task

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References found in this work

Studies of Interference in Serial Verbal Reactions.J. R. Stroop - 1935 - Journal of Experimental Psychology 18 (6):643.
An Integrative Theory of Prefrontal Cortex Function.Earl K. Miller & Jonathan D. Cohen - 2001 - Annual Review of Neuroscience 24 (1):167-202.
Task Switching.Stephen Monsell - 2003 - Trends in Cognitive Sciences 7 (3):134-140.

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