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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: Neuropsychologia. 2010 Oct 27;49(4):602–611. doi: 10.1016/j.neuropsychologia.2010.09.023

Fig. 2. Reciprocity Types.

Fig. 2

Tit-for-Tat: When the participant changes the amount they send in the same direction as the other player, either increased, decreased, or no change.

Benevolent: When the participant increases the amount sent to the other player despite a decrease or no change in the amount sent by the other player.

Ambivalent: The participant does not change the amount they send despite increases or decreases in the amount sent by the other player.

Malevolent: The participant decreases the amount sent to the other player despite an increase or no change in the amount sent by the other player.

n = the current trial.