Optical Illusions

FREE for use with an Inquisit Lab or Inquisit Web license.

Available Test Forms

Optical Illusion

A computerized Visual Illusion Simulator (VIS) inspired by Bednarek et al (2024). The script covers 8 different visual illusions.
Duration: 8 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated
May 21, 2024, 6:37PM


Google ScholarSearch Google Scholar for peer-reviewed, published research using the Inquisit Optical Illusions.

Ritter, S. M. (1917). The vertical-horizontal illusion : an experimental study of meridional disparities in the visual field. Psychological Review Co.

Andrews, D. A. (1967). The Poggendorff illusion. University of Oregon.

Nicolas, S. (1995). Joseph Delboeuf on Visual Illusions: A Historical Sketch. The American Journal of Psychology, 108(4), 563–574. https://doi.org/10.2307/1423073

Sudhakar, N. (2020). A Working Theory of Optical Illusions. Cream City Review, 44(1), 12–22. https://doi.org/10.1353/ccr.2020.0034

Bednarek, H., Przedniczek, M., Wujcik, R., Olszewska, J. M., & Orzechowski, J. (2024). Cognitive training based on human-computer interaction and susceptibility to visual illusions. Reduction of the Ponzo effect through working memory training. International Journal of Human-Computer Studies, 184, 103226-. https://doi.org/10.1016/j.ijhcs.2024.103226