A Framework for Fast, Accurate, and Explainable Computerized Adaptive Language Test

Research Project

Project/Area Number	24K20903
Research Category	Grant-in-Aid for Early-Career Scientists
Allocation Type	Multi-year Fund
Review Section	Basic Section 62030:Learning support system-related
Research Institution	Kyushu University
Principal Investigator	馬博軒九州大学, 基幹教育院, 助教 (70984342)
Project Period (FY)	2024-04-01 – 2027-03-31
Project Status	Granted (Fiscal Year 2024)
Budget Amount *help	¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000) Fiscal Year 2026: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000) Fiscal Year 2025: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000) Fiscal Year 2024: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords	adaptive test / language assessment / cognitive diagnosis / deep learning
Outline of Research at the Start	This research aims to develop an adaptive language assessment system through a computerized adaptive test framework. It integrates a cognitive diagnosis model to estimate learners’ ability and an adaptive question selection algorithm that considers the quality and diversity of questions.