Dartmouth Congressional Voting Study (IMAGE) Dartmouth College Caption US Congress members' social circles are more important in how they vote than their liberal or conservative beliefs or constituents' opinions, according to a new model of voting behavior created by Dartmouth College researchers. Credit Rendo79/Dartmouth College Usage Restrictions None License Licensed 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.