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The isolated space environment during ultra-long space flights affects a number of physiological, psychosocial and mental processes critically involved in human performance. Colored Trails was one of a set of activities used to measure individual mental capacity as well as interpersonal dynamics during long space flights. Data was collected during a six-month exercise which simulated flight conditions for a group of European astronauts. The Colored Trails configuration used in the study was based on work by Sevan Ficici and Avi Pfeffer Pfeffer and included:
- An ultimatum-type game with two proposers and one responder participants.
- Two proposers made offers simultaneously to responder.
- The responder could choose which offer to accept.
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- The game is played several times with the same people. The object is for each proposer to model the strategy the other is using to make proposals in order to make offers that are more likely to be accpeted by the responder.
In the example below, P2 and P1 represen the location on the board of both proposers, while R represents the location of the responder.
