Algebra Cognitive Tutor Andes AutoTutor Coarse-grained assessment Collaborative Recommender Content Based Recommender Declarative memory DT Tutor Effects of Contextual Cues on Inferring and Remembering Meanings of New Word Extensions to SlimStampen Eye Tracking Filter Bubble Problem Final Paper User Models Fine Grained assesment Game Based Learning Gamification Gaze position GOMS Grey sheep problem Group Modeling Approach Help Abuse Help Refusal Ideas for Fact Learning Individual Modeling IRT Knowledge Component Latent Semantic Analysis Learning Event Learning L2 German Vocabulary Through Reading Macroadaptation Mastery learning Modeling Driver Behavior with Cognitive Architecture Modeling Transfer plan recognition problem Predicting Student learning Curve Pupil Dilation Ramp up problem Rational inference Recommender System Satisficing Heuristic Second Language Vocabulary Learning , The role of context versus translation Serious Games Sherlock SlimStampen SQL-Tutor Steve The Behavior of Tutoring Systems The Effect of Three Consecutive Context Sentences on EFL Vocabulary-Learning Tutor