Signal-detection analysis of the Müller-Lyer and the Horizontal-Vertical illusions.

G. M. Brosvic, N. A. Civale, P. Long, D. Kieley, K. Kristoff, N. Memblatt, R. Gordon, L. Parris, C. Giambelluca, R. E. Dihoff

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Perceptual error in the Müller-Lyer and the Horizontal-Vertical illusions was quantified using nonparametric signal-detection measures of sensitivity and response bias. Sensitivity scores were positively related to signal strength with the greatest values observed for the strongest signals. Sensitivity at each signal strength did not differ between the two illusions. Response-bias scores were inversely related to signal strength, with the most conservative biases observed for the strongest signals. Response biases for each signal strength were significantly more conservative for the Horizontal-Vertical than for the Müller-Lyer illusion.

Original languageEnglish (US)
Pages (from-to)1299-1304
Number of pages6
JournalPerceptual and Motor Skills
Volume79
Issue number3 Pt 1
DOIs
StatePublished - Dec 1994
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Experimental and Cognitive Psychology
  • Sensory Systems

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