Graesser, Arthur C; Hu, Xiangen; Nye, Benjamin D; VanLehn, Kurt; Kumar, Rohit; Heffernan, Cristina; Heffernan, Neil; Woolf, Beverly; Olney, Andrew M; Rus, Vasile; Andrasik, Frank; Pavlik, Philip; Cai, Zhiqiang; Wetzel, Jon; Morgan, Brent; Hampton, Andrew J; Lippert, Anne M; Wang, Lijia; Cheng, Qinyu; Vinson, Joseph E; Kelly, Craig N; McGlown, Cadarrius; Majmudar, Charvi A; Morshed, Bashir; Baer, Whitney