Abstract
Subjects classified either the numerosity or numeric value of elements in successive stimulus displays. In separate experiments, responses were indicated by oral naming, card sorting, manual tapping, and oral “tapping.” Incongruent levels of numeric value slowed naming and sorting, but not tapping, when numerosity was the cue for responding. Incongruent numerosity slowed tapping, but not naming and sorting, when numeric value was the cue. Changes in stimulus response mapping may thus critically alter the ability to ignore an irrelevant stimulus dimension.
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This research was supported by grants-in-aid from the University of Nebraska Research Council, which included funding from NIH Biomedical Research Grant RR-07055-09 to the University of Nebraska. Portions of this paper were presented at the 1976 meeting of the Psychonomic Society.
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Flowers, J.H., Warner, J.L. & Polansky, M.L. Response and encoding factors in “ignoring” irrelevant information. Memory & Cognition 7, 86–94 (1979). https://doi.org/10.3758/BF03197589
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DOI: https://doi.org/10.3758/BF03197589