DollyLegos (IMAGE) West Virginia University Caption Gamification tactics such as progress bars and badges significantly boost participant productivity, WVU researchers found. Credit WVU Photo/Nathaniel Godwin Usage Restrictions NONE License Original 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.