Simon Task

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

Available Test Variations

Visual Simon Task
The Simon task adapted from Bialystok et al (2004).
Duration: 2 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated
German
Dec 2, 2025, 5:46PM
Visual Simon Task - Mouse/Touchscreen
A short Simon task using mouse or touch input adapted from Bialystok et al (2004).
Duration: 2 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated
English
Feb 23, 2022, 10:22PM
A variation of the Simon Task using keyboard responding as developed by Davidson et al (2006) measuring working memory and inhibition.
Duration: 2 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated
English
Dec 2, 2025, 5:46PM
German
Dec 2, 2025, 5:46PM
A variation of the Simon Task optimized for mouse/touch responding as developed by Davidson et al (2006) measuring working memory and inhibition.
Duration: 2 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated
English
Dec 2, 2025, 5:46PM
German
Dec 2, 2025, 5:46PM
A child-friendly version of the Simon Task as developed by Davidson et al (2006).
Duration: 5 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated
English
Dec 1, 2025, 5:17PM
French
Dec 2, 2025, 8:04PM
German
Dec 1, 2025, 5:18PM
Spanish
Dec 1, 2025, 5:18PM
Swahili
Dec 1, 2025, 5:18PM
A child-friendly version of the Simon Task s developed by Davidson et al (2006) that is optimized for mouse (or touchscreen).
Duration: 5 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated
English
Dec 1, 2025, 5:18PM

References

Google ScholarSearch Google Scholar for peer-reviewed, published research using the Inquisit Simon Task.

Simon, J. R., and Wolf, J. D. (1963). Choice reaction times as a function of angular stimulus-response correspondence and age. Ergonomics, 6, 99-105.

Simon, J. R. & Rudell, A. P. (1967). Auditory S-R compatibility: the effect of an irrelevant cue on information processing. Journal of applied psychology, 51, 300-304.

Simon, J. R. (1969). Reactions towards the source of stimulation. Journal of experimental psychology, 81, 174-176.

Hommel, B. (1993). Inverting the Simon effect by intention: Determinants of direction and extent of effects of irrelevant spatial information. Psychological Research, 55, 270-279

Bialystok, E., Craik, F.I.M., Klein, R., & Viswanathan, M. (2004). Bilingualism, aging, and cognitive control: Evidence from the Simon task. Psychology and Aging, 19, 290-303.

Wittfoth, M., Buck, D., Fahle, M., Hermann, M. (2006) Comparison of two Simon tasks: Neuronal correlates of conflict resolution based on coherent motion perception. NeuroImage, 32, 921-929.

M.C. Davidson, D. Amso, L.C. Anderson, A. Diamond (2006). Development of cognitive control and executive functions from 4 to 13 years: Evidence from manipulations of memory, inhibition, and task switching. Neuropsychologia 44, 2037–2078

M.C. Davidson, D. Amso, L.C. Anderson, A. Diamond (2006). Development of cognitive control and executive functions from 4 to 13 years: Evidence from manipulations of memory, inhibition, and task switching. Neuropsychologia 44, 2037–2078

Diamond,A., Barnett, W.S., Thomas,J. & Munro, S. (2007). Preschool Program Improves Cognitive Control. SCIENCE, 318, 1387-1388.

Proctor, R. (2011). Playing the Simon game: Use of the Simon task for investigating human information processing. Acta Psychologica, 136, 182-188.

Green, T., Weinberger, R., Diamond, A., Berant, M., Hirschfeld, L., Frisch, A., . . . Gothelf, D. (2011). The Effect of Methylphenidate on Prefrontal Cognitive Functioning, Inattention, and Hyperactivity in Velocardiofacial Syndrome. Journal of Child and Adolescent Psychopharmacology, 21(6), 589-95.

Ursache, A., & Raver, C. (2013). Trait and state anxiety: Relations to executive functioning in an at-risk sample. Cognition & Emotion, 1-11.

Brocki, Karin C., & Tillman, Carin. (2014). Mental Set Shifting in Childhood: The Role of Working Memory and Inhibitory Control. Infant and Child Development, 23(6), 588-604.

Adele Ediamond, & Andy Ewright. (2014). An effect of inhibitory load in children while keeping working memory load constant. Frontiers in Psychology, 5, Frontiers in Psychology, 01 March 2014, Vol.5.

Ursache, A., & Raver, C. (2015). Iowa Gambling Task Performance and Executive Function Predict Low-income Urban Preadolescents' Risky Behaviors. Personality and Individual Differences, 79, 1-6.

Marion Stein, Max Auerswald, & Mirjam Ebersbach. (2017). Relationships between Motor and Executive Functions and the Effect of an Acute Coordinative Intervention on Executive Functions in Kindergartners. Frontiers in Psychology, 8, Frontiers in Psychology, 01 May 2017, Vol.8.