Math Effort Task (MET)

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

Available Test Forms

Math Effort Task

A mathematical addition task that measures the amount of effort the respondent is willing to make (Engle-Friedman et al, 2003)
Duration: 20 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated
Mar 13, 2024, 4:11PM


Google ScholarSearch Google Scholar for peer-reviewed, published research using the Inquisit Math Effort Task (MET).

Engle-Friedman, M., Riela, S., Golan, R., Ventuneac, A. M., Davis, C. M., Jefferson, A. D. and Major, D. (2003). The effect of sleep loss on next day effort. Journal of Sleep Research, 12: 113–124

Johnson, A., & Brown, Kathleen. (2006). The Influence of Sleep Deprivation on Performance and the Occurrence of Error in Staff Nurses Who Work the Night Shift, ProQuest Dissertations and Theses.

Engle-Friedman, M., Riela, S., & Strothers, E. (2008). Objective and Subjective Effort as a Function of Sleep and Energy. Sleep and Hypnosis, 10(2), 61-72.