“…As serious games are ''designed to support knowledge acquisition and/or skill development,'' not only is player-performance assessment an important, if not the most important, aspect of serious game evaluation (Bellotti, Kapralos, Lee, & Moreno-Ger, 2013;Loh, Anantachai, Byun, & Lenox, 2007;Shute et al, 2010), it is also a necessary component for these games to set themselves apart from other entertainment games (Michael & Chen, 2006). Since the advances in technology have made it increasingly easy to trace players' in-game actions and behaviors for performance assessment (Loh, 2012b;Thawonmas & Iizuka, 2008;Wallner, 2013), stakeholders in the training and learning industries have begun asking for ''measurable evidence of training or learning'' to justify their investment and to ensure a good rate of return (Loh, 2011).…”