activity
20242026
collaborators

4 papers

stat.AP2026

A Representation-Learning Item Response Model for Identifying Behaviorally Important Actions in PIAAC Process Data

Junyeong Park, Daeun Hwangbo, Seyoung Park +2

Problem-solving log process data from computer-based assessments provide detailed information about how respondents approach and complete tasks. However, the resulting action seque…

stat.AP2026

Hierarchical Latent Space Item Response Model for Analyzing Mental Health Vulnerability of Elementary School Students in South Korea

Soyeon Park, Seoyoung Shin, Minjeong Jeon +2

Mental health difficulties among elementary school students represent a growing public health concern in South Korea, yet analytical tools for identifying school-specific vulnerabi…

stat.AP2025

Constructing Reliable Social Networks from Conversational Data: An Ensemble Prompt Engineering Approach with Uncertainty Quantification

Gwanghee Kim, Ick Hoon Jin, Minjeong Jeon

Conversational data are central to the study of interaction dynamics and social structures across psychological research. However, constructing structured social networks from unst…

stat.AP2024

Analysis of Log Data from an International Online Educational Assessment System: A Multi-state Survival Modeling Approach to Reaction Time between and across Action Sequence

Jina Park, Ick Hoon Jin, Minjeong Jeon

With increasingly available computer-based or online assessments, researchers have shown keen interest in analyzing log data to improve our understanding of test takers' problem-so…