Improvement on Hint and Explanation Crowdsourcing Method for an Online Learning Platform

Characterizing Productive Perseverance Using Sensor-Free Detectors of Student Knowledge, Behavior, and Affect

A Foundation For Educational Research at Scale: Evolution and Application

Towards Personalized Learning using Counterfactual Inference for Randomized Controlled Trials

Towards Assessing Students' Fine Grained Knowledge: Using an Intelligent Tutor for Assessment

Creating Systems and Applying Large-Scale Methods to Improve Student Remediation in Online Tutoring Systems in Real-time and at Scale