3 papers
cs.HC2026
A Case Study Reexamining the Cold-Start Problem in Knowledge Tracing Models and Implications for SafeInsights, an Education Research Infrastructure
Jiayi Zhang, Ryan S. Baker, Debshila Basu Mallick +2
Knowledge tracing (KT) models are widely used to predict students' evolving knowledge states from their learning history. However, many KT models are evaluated using specific datas…
cs.CY2025
Carelessness Detection using Performance Factor Analysis: A New Operationalization with Unexpectedly Different Relationship to Learning
Jiayi Zhang, Ryan S. Baker, Namrata Srivastava +3
Detection of carelessness in digital learning platforms has relied on the contextual slip model, which leverages conditional probability and Bayesian Knowledge Tracing (BKT) to ide…
cs.PL2024
Comparison of Three Programming Error Measures for Explaining Variability in CS1 Grades
Valdemar Švábenský, Maciej Pankiewicz, Jiayi Zhang +3
Programming courses can be challenging for first year university students, especially for those without prior coding experience. Students initially struggle with code syntax, but a…