Brian McKernan, Rosa Mikeal Martey, Jennifer Stromer-Galley, Kate Kenski, Benjamin A. Clegg, James E. Folkestad, Matthew G. Rhodes, Adrienne Shaw, Emilie T. Saulnier, Tomek Strzalkowski. We don't need no stinkin' badges: The impact of reward features and feeling rewarded in educational games. Computers in Human Behavior, 45:299-306, 2015. [doi]
Abstract is missing.