Prisoner's Dilemma Task

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

Available Test Forms

Prisoner's Dilemma Task with Outcome Matrices

A Prisoner's Dilemma Task in which participants are shown outcome matrices as described in Ellet et al (2013).
Duration: 5 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated

Prisoner's Dilemma Task with Reciprocity

A Prisoner's Dilemma Task involving investment decisions as described in Bell & Buchner (2017).
Duration: 25 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated


Google ScholarSearch Google Scholar for peer-reviewed, published research using the Inquisit Prisoner's Dilemma Task.

Martin Nowak, & Karl Sigmund. (1993). A strategy of win-stay, lose-shift that outperforms tit-for-tat in the Prisoner's Dilemma game. Nature, 364(6432), 56-8.

Mokros, A., Menner, B., Eisenbarth, H., Alpers, G., Lange, K., Osterheider, M., & Watson, David. (2008). Diminished Cooperativeness of Psychopaths in a Prisoner's Dilemma Game Yields Higher Rewards. Journal of Abnormal Psychology, 117(2), 406-413.

Reed, Zeglen, & Schmidt. (2012). Facial expressions as honest signals of cooperative intent in a one-shot anonymous Prisoner's Dilemma game. Evolution and Human Behavior, 33(3), 200-209.

Lyn Ellett , Rhani Allen-Crooks , Adele Stevens , Tim Wildschut & Paul Chadwick (2013) A paradigm for the study of paranoia in the general population: The Prisoner's Dilemma Game, Cognition and Emotion, 27:1, 53-62

Jahng, Kralik, Hwang, & Jeong. (2017). Neural dynamics of two players when using nonverbal cues to gauge intentions to cooperate during the Prisoner's Dilemma Game. NeuroImage, 157, 263-274.

Bell R, Mieth L, Buchner A (2017). Separating conditional and unconditional cooperation in a sequential Prisoner's Dilemma game. PLoS ONE 12(11)