%0 Journal Article %T Intelligent Tutoring Systems and Learning Outcomes: A Meta-Analysis %A Ma, Wenting %A Adesope, Olusola O. %A Nesbit, John C. %A Liu, Qing %J Journal of Educational Psychology %V 106 %N 4 %P 901-918 %@ 0022-0663 %D 2014-11-23 %I American Psychological Association %~ DeepDyve