7 papers
Detecting Knowledge Gaps from Conversational AI Interactions Using Curriculum Prerequisite Graphs
Youssef Medhat, Junsoo Park, Ploy Thajchayapong +1
Large online courses generate thousands of student questions directed at conversational AI teaching assistants, yet these interaction logs remain largely untapped as diagnostic sig…
Generalizing a Highly Configurable Analytics Pipeline to Replicate and Support Educational Research Across Multiple Domains
Yallen Bai, Ploy Thajchayapong, Ashok Goel
Artificial intelligence assistants deployed in online learning environments create new opportunities to collect large volumes of learner interaction data and generate insights to i…
Surfacing Isolated Learners with Outcome-Independent Mediation of Feedback between Teachers and Students Using AI
Junsoo Park, Youssef Medhat, Htet Phyo Wai +2
AI-augmented classrooms generate rich teacher and student feedback before graded outcomes become available, yet these signals can be difficult to translate into timely instructiona…
Guidelines for Designing AI Technologies to Support Adult Learning
Jennifer M. Reddig, Glen R. Smith, Sanaz Ahmadzadeh Siyahrood +16
AI-powered educational technologies have demonstrated measurable benefits for learners, but their design and evaluation have largely centered on K-12 contexts. As a result, many AI…
Memory-Based vs. Context-Only Conditioning Produces Distinct Behavioral Patterns in Stateful Personalization
Junsoo Park, Youssef Medhat, Htet Phyo Wai +2
We study how conditioning context shapes personalization behavior in a teacher-facing educational recommender system. We compare contextual conditioning based on the current studen…
Evaluating Learner Representations for Differentiation Prior to Instructional Outcomes
Junsoo Park, Youssef Medhat, Htet Phyo Wai +2
Learner representations play a central role in educational AI systems, yet it is often unclear whether they preserve meaningful differences between students when instructional outc…