Abstract
The present study tested the hypothesis that vocal feedback affects the interference obtained during performance on the Stroop Color-Word task. Two measures were studied as indicators of ability to name colors on the Stroop, speed (performance time) and accuracy (number of errors). Speed of performance on the interference task by 16 male college students was not aided by reduction of vocal feedback. Accuracy of performance in the interference condition was strongly facilitated by reduction of vocal feedback, while little change was noted with no interference. These results are consistent with a view that in vocal feedback on Stroop interference the experience of a mismatch between the auditory feedback produced by the weaker color-naming response in the presence of the prepotent tendency to make the reading response increases interference.
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