Arthur C. Graesser|Shulan Lu|G. Tanner Jackson|Heather H. Mitchell|M. J. Ventura|Andrew Olney|Max M. Louwerse
AutoTutor: A tutor with dialogue in natural language
University of Memphis|University of Memphis|University of Memphis|University of Memphis|University of Memphis|University of Memphis|University of Memphis
autotutor learning environment tutors students holding conversation natural language autotutor developed newtonian qualitative physics computer literacy design inspired explanationbased constructivist theories learning intelligent tutoring systems adaptively respond student knowledge empirical research dialogue patterns tutorial discourse autotutor presents challenging problems formulated questions curriculum script engages mixed initiative dialogue guides student building answer provides student positive neutral negative feedback students typed responses pumps student information prompts student fill missing words gives hints fills missing information assertions identifies corrects erroneous ideas answers students questions summarizes answers autotutor produced learning gains approximately 70 sigma deep levels comprehension