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. Author manuscript; available in PMC: 2013 Aug 1.
Published in final edited form as: J Abnorm Psychol. 2012 Jul 9;121(3):553–558. doi: 10.1037/a0028813

Figure 1.

Figure 1

Schematic diagram of a single trial of the Effort Expenditure for Rewards Task (‘EEfRT’). A) Subjects begin by seeing a 1s fixation cue. B) 5s choice period in which subjects are presented with information regarding the reward magnitude of the hard task for that trial, and the probability of receiving any reward for that trial. C) 1s “ready” screen. D) Subjects make rapid button presses to complete the chosen task for 7s (easy task) or 21s (hard task). E) Subjects receive feedback on whether they have completed the task. F) Subjects receive reward feedback as to whether they received any money for that trial.