Emma Tosch, UMass Amherst (IMAGE) University of Massachusetts Amherst Caption Tosch's Surveyman software addresses four key areas where bias can creep into a survey. Credit UMass Amherst 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.