Kristen K. Dergousoff, Regan L. Mandryk. Mobile Gamification for Crowdsourcing Data Collection: Leveraging the Freemium Model. In Bo Begole, Jinwoo Kim, Kori Inkpen, Woontack Woo, editors, Proceedings of the 33rd Annual ACM Conference on Human Factors in Computing Systems, CHI 2015, Seoul, Republic of Korea, April 18-23, 2015. pages 1065-1074, ACM, 2015. [doi]
Abstract is missing.