Elliot Ludvig, University of Warwick (IMAGE) University of Warwick Caption This is Dr. Elliot Ludvig, from the Department of Psychology, University of Warwick Credit University of Warwick Usage Restrictions Only to be used in conjunction with this story 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.