🏷️ knowledge-tracing

> OATutor (Open Adaptive Tutor) is the first open-source adaptive tutoring system built on Intelligent Tutoring System (ITS) principles, developed at UC Berkeley's CAHL Lab. It combines an MIT-license…

2026-08-12 · intelligent-tutoring, adaptive-learning, open-source, math-education, higher-ed

> **Cognitive diagnosis** — the inference of a learner's latent knowledge state — the specific concepts, skills, and misconceptions they have or lack — from their responses or behavior. It is the asse…

2026-08-12 · student-modeling, educational-measurement, assessment, intelligent-tutoring, learning-analytics

> **Simulating students** — using LLM-based agents to model learner behavior, cognition, and social dynamics for educational research, design, and training. Simulated students let researchers evaluate…

2026-08-12 · simulation, student-modeling, cognitive-diagnosis, agentic-ai, pedagogical-agent

> **Synthesis:** This paper introduces an evidence-grounded multimodal pipeline that constructs provenance-rich [[knowledge-tracing|knowledge graphs]] from lecture videos by integrating speech transcr…

2026-08-09 · multimodal, ai-education, student-modeling, generative-ai, lecture-review

> **Synthesis:** ProPRL advances [[adaptive-learning|prerequisite relation learning]] by going beyond conventional link prediction to adaptively integrate complementary educational evidence from conce…

2026-08-09 · adaptive-learning, student-modeling, ai-education, personalized-learning, llm

> **Synthesis:** Xie, Yang, Zhang, Li, Wang, Yang & Gao (2026) propose HiLLM-CD, a tree-structured framework for cognitive diagnosis that represents student proficiency as node-wise values on a concep…

2026-08-09 · cognitive-diagnosis, student-modeling, llm, generative-ai, adaptive-learning

> **Adaptive learning** — AI-driven educational systems that adjust content, pacing, and instructional strategies based on individual learner characteristics and performance. Adaptive learning is the …

2026-08-09 · personalized-learning, intelligent-tutoring, student-modeling, scaffolding, cognitive-diagnosis

> **Intelligent Tutoring Systems (ITS)** — a well-established subfield of AI in education that uses AI to model student knowledge, adapt instruction, and provide personalized feedback, typically throu…

2026-08-09 · ai-education, ai-tutoring, adaptive-learning, scaffolding, student-modeling

> **Knowledge graph** — a structured representation of concepts and their relationships used to model domain knowledge, student understanding, and learning dependencies in AI in education systems. Kno…

2026-08-09 · student-modeling, learning-analytics, domain-modeling, ai-education

> **Learning analytics** — the measurement, collection, analysis, and reporting of data about learners and their contexts for the purpose of understanding and optimizing learning. AI has transformed l…

2026-08-09 · student-modeling, formative-assessment, privacy, edtech-platform, engagement-metrics

> **Student modeling** — the broad practice of representing learner characteristics including knowledge, skills, affective states, engagement, and preferences in computational form. Student modeling i…

2026-08-09 · student-modeling, adaptive-learning, personalized-learning, learning-analytics, intelligent-tutoring

> **Synthesis:** Semi-structured interviews with 12 teachers who tutored LLM-simulated students (MathDial dataset) reveal key authenticity gaps: overly complex language, lack of emotions, unnatural at…

2026-08-06 · llm, student-simulation, teacher-training, dialogue-tutoring, k-12

> **EduClaw-Bench: A Long-Horizon Benchmark for Pedagogical LLM Agents with Simulated Learners** — Introduces a 30-day long-horizon benchmark for pedagogical LLM agents using simulated learners ground…

2026-08-05 · intelligent-tutoring, llm, agentic-ai, benchmark, student-modeling

Proposes Cognitive Diagnostic Profiling (CDP), a zero-shot framework that dramatically improves LLM-simulated examinee alignment with human test-takers. With CDP, IRT difficulty Spearman correlations …

2026-07-30 · llm, formative-assessment, adaptive-learning, student-experience, benchmark

On 119,034 students across 13 UK national exams, Bernoulli Mixture Models found few distinct skill clusters — overall ability dominates. A simple explainable model achieved 78% accuracy, competitive w…

2026-07-30 · personalized-learning, stem-education, learning-analytics, student-experience, adaptive-learning

> **Interpretable Knowledge Tracing** — A novel framework for dialogue-based Knowledge Tracing that explicitly models both student ability and tutor-turn difficulty using Item Response Theory, produci…

2026-07-29 · interpretability, student-modeling, cold-start-knowledge-tracing-safeinsights, item-response-theory, ai-tutoring

LEA (Learning Engagement Assistant) is an **agentic AI tutoring system** that couples course-specific retrieval-augmented generation (RAG) with structured [[knowledge-tracing]] / Knowledge Component (…

2026-07-16 · llm, generative-ai, intelligent-tutoring, higher-ed, stem-education

Introductory programming instruction relies on hands-on practice and short learning activities to support mastery of foundational concepts. Although many such learning resources exist, organizing and …

2026-07-09 · personalized-learning, adaptive-learning, intelligent-tutoring, programming-its, rag

This paper introduces Epi2Diff (Episode to Difficulty), a framework that maps LLM reasoning traces into cognitively grounded episode sequences for predicting human item difficulty in [[assessment|educ…

2026-06-29 · assessment, llm, learning-analytics, higher-ed, student-modeling

Nagai et al. (2026) tackle the practical problem that many real-world educational datasets contain only single-time-point assessments (snapshots) without temporal information, making standard time-ser…

2026-06-23 · student-modeling, adaptive-learning, learning-analytics, formative-assessment, personalized-learning

> **Knowledge tracing** — modeling what learners know over time by tracking their performance on exercises and predicting future mastery. It is the wiki's richest modeling thread, spanning Bayesian, d…

2026-06-23 · learning-analytics, intelligent-tutoring, adaptive-learning, student-modeling, personalized-learning

**Jiayi Zhang, Ryan S. Baker, Debshila Basu Mallick, Cristina Heffernan, Neil Heffernan** — cs.HC This paper replicates and extends prior work on the cold-start problem in knowledge tracing — the chal…

2026-06-10 · learning-analytics, student-modeling, benchmark, higher-ed, llm

This paper introduces a pipeline that maps student questions directed at a conversational AI teaching assistant to curriculum topics using a few-shot text classifier, grounded in a GPT-4-extracted pre…

2026-06-10 · llm, student-modeling, higher-ed, learning-analytics, generative-ai

> **MathCog** benchmark (3,036 teacher-annotated diagnostic verdicts, 639 handwritten responses, 18 LLMs): all models severely underperform (macro F1 < 0.5) — over-attributing evidence, overthinking m…

2026-05-31 · ai-ed-evaluation, multimodal, benchmark, human-in-the-loop, critical-thinking

StanBKT introduces an open-source Python package for Bayesian Knowledge Tracing (BKT) that moves beyond traditional expectation-maximization (EM) point estimates to full Bayesian inference via Stan. T…

2026-05-25 · intelligent-tutoring, learning-analytics, adaptive-learning, benchmark, open-source

Intelligent Tutoring Systems often grant learners shared control over skill and problem selection. We propose a simulation-based framework to examine how learner task-selection strategies and system c…

2026-05-22 · intelligent-tutoring, mastery-learning, adaptive-learning, engagement-metrics, simulation

Agentic analytics using AI-produced concept-map artifacts as shared human-AI representations improves collaboration quality analysis and AI response grounding over transcript-only baselines. CLARA int…

2026-05-19 · learning-analytics, generative-ai, llm, higher-ed, edtech-platform

This paper bridges LLM-based dialogue tutoring and interpretable student modeling. By mapping opaque LLM representations to **Item Response Theory** parameters — student ability (θ) and question diffi…

2026-05-13 · intelligent-tutoring, llm, personalized-learning, feedback-loop

This paper introduces **PLKT** (Probabilistic Logical Knowledge Tracing), which replaces deterministic vector embeddings with **beta-distributed probabilistic embeddings**, allowing explicit represent…

2026-05-13 · learning-analytics, intelligent-tutoring, student-experience

This paper proposes **MBP-KT**, which transforms raw learner interaction sequences into structured **meta-behavioral patterns** before extracting collaborative signals. Raw sequences contain redundant…

2026-05-13 · learning-analytics, student-experience, adaptive-learning, adaptive-learning-systems

This ITS 2026 paper challenges claims about attention-augmented Programming Knowledge Tracing (PKT) superiority. The authors identify three critical protocol flaws: **attention dimension misconfigurat…

2026-05-13 · automated-grading, benchmark, learning-analytics

This paper addresses a critical but under-examined issue in KT systems: **selection bias** from non-random exercise recommendations. Prior KT methods train on observed logs using standard empirical ri…

2026-05-13 · learning-analytics, personalized-learning, intelligent-tutoring, student-experience

Interactive assessments generate sequential process data that conventional item response models (IRT) cannot adequately handle. This paper proposes a **reinforcement learning measurement model** that …

2026-05-12 · assessment, learning-analytics, benchmark, llm

> A framework for evaluating AI tutoring systems that extends beyond pedagogical quality of feedback to measure what students actually *do* with that feedback — whether they act on it and whether they…

2026-05-09 · intelligent-tutoring, efficacy-study, higher-ed, benchmark, engagement-metrics

> **From Prototype to Classroom** (Elhaimeur & Chrisochoides, 2026) describes a tutoring system for quantum computing that bridges the gap between dense mathematical formalism and limited qualified in…

2026-05-08 · adaptive-learning, higher-ed, intelligent-tutoring, stem-education, adaptive-learning-systems