Mental Arithmetic TaskFREE for use with an Inquisit Lab or Inquisit Web license.
Available Test Forms
Search Google Scholar for peer-reviewed, published research using the Inquisit Mental Arithmetic Task.
Kahneman, Daniel, et al. “Pupillary, Heart Rate, and Skin Resistance Changes during a Mental Task.” Journal of Experimental Psychology, vol. 79, no. 1, 1969, pp. 164–167.