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J. D. Knotts, Ladan Shams; Clarifying signal detection theoretic interpretations of the Müller–Lyer and sound-induced flash illusions. Journal of Vision 2016;16(11):18. doi: https://doi.org/10.1167/16.11.18.
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In a recent article, Witt, Taylor, Sugovic, and Wixted (2015) made several claims about the way the Müller–Lyer and sound-induced flash illusions should influence the signal detection theory criterion and sensitivity measures, c and d′. Here, we address some crucial conceptual inconsistencies in their simulation of the Müller–Lyer illusion and clarify a previous analysis of the sound-induced flash illusion from the literature that is misinterpreted in their discussion. Alternative signal detection theoretic interpretations of both illusions are offered.
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