March for Science Survey (IMAGE) University of Delaware Caption The study, conducted from March 31 to April 18, surveyed 1,040 members of March for Science Facebook groups or pages about their reasons for marching in April 22 events across the United States and around the globe. Credit University of Delaware/ Jeffrey Chase Usage Restrictions Must credit University of Delaware Center for Political Communication. 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.