Tim Weninger, University of Notre Dame (IMAGE) University of Notre Dame Caption Tim Weninger spent five months monitoring new posts on Reddit -- 93,019 posts in all -- and randomly, regardless of content, assigned either an up-vote, down-vote or no vote (as a control) to each post. Credit Barbara Johnston/University of Notre Dame 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.