Figure 1 Plassmann et al (IMAGE) PNAS Nexus Caption (A) Study flow and randomization. (B) Sample trial of an unfair offer in the ultimatum game. (C) Distribution of rejection rates of all offers for each group and each session. (D) Change in rejection rates of unfair offers across sessions for each group (to improve visibility, points are jittered). Credit Plassmann et al Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.