Processing numerosity, length and duration in a three-dimensional Stroop-like task : towards a gradient of processing automaticity?

Dormal, Valérie;Pesenti, Mauro
(2013) Psychological Research : an international journal of perception, attention, memory and action — Vol. 77, n° 2, p. 116-127 (2013)

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Abstract
The existence of a possible continuum of automaticity for numerosity, length and duration processing was tested with a three-dimensional Stroop-like paradigm. Participants had to compare the numerosity, the length or the duration of two successive linear arrays of sequentially flashed dots in which the three dimensions were manipulated independently to create congruent, incongruent or neutral pairs. The results show that numerosity and length both affected duration processing separately and cumulatively, whereas temporal cues did not influence judgements of numerosity or length. Moreover, length and numerosity influenced each other, with numerical cues having a stronger influence on length processing than the reverse. These findings support the idea that, in sequentially presented stimuli, numerosity, length and duration are processed with different levels of automaticity, with numerosity being processed most, and duration least automatically.
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Dormal, V., & Pesenti, M. (2013). Processing numerosity, length and duration in a three-dimensional Stroop-like task : towards a gradient of processing automaticity? Psychological Research : an international journal of perception, attention, memory and action, 77(2), 116-127. https://doi.org/10.1007/s00426-012-0414-3 (Original work published 2013)