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Cognitive diagnosis (CD) models latent cognitive states of human learners by analyzing their response patterns on diagnostic tests, serving as a crucial machine learning technique for educational assessment and evaluation. Traditional…

机器学习 · 计算机科学 2025-07-15 Jiatong Li , Qi Liu , Mengxiao Zhu

Cognitive diagnosis model (CDM) is a fundamental and upstream component in intelligent education. It aims to infer students' mastery levels based on historical response logs. However, existing CDMs usually follow the ID-based embedding…

人工智能 · 计算机科学 2024-10-22 Yuanhao Liu , Shuo Liu , Yimeng Liu , Jingwen Yang , Hong Qian

Online intelligent education platforms have generated a vast amount of distributed student learning data. This influx of data presents opportunities for cognitive diagnosis (CD) to assess students' mastery of knowledge concepts while also…

机器学习 · 计算机科学 2025-08-05 Shangshang Yang , Jialin Han , Xiaoshan Yu , Ziwen Wang , Hao Jiang , Haiping Ma , Xingyi Zhang , Geyong Min

Cognitive diagnosis models (CDMs) are designed to learn students' mastery levels using their response logs. CDMs play a fundamental role in online education systems since they significantly influence downstream applications such as…

计算机与社会 · 计算机科学 2024-07-26 Hong Qian , Shuo Liu , Mingjia Li , Bingdong Li , Zhi Liu , Aimin Zhou

While cognitive diagnosis (CD) effectively assesses students' knowledge mastery from structured test data, applying it to real-world teacher-student dialogues presents two fundamental challenges. Traditional CD models lack a suitable…

计算与语言 · 计算机科学 2025-10-15 Rui Jia , Yuang Wei , Ruijia Li , Yuan-Hao Jiang , Xinyu Xie , Yaomin Shen , Min Zhang , Bo Jiang

Reading is foundational for educational, employment, and economic outcomes, but a persistent proportion of students globally struggle to develop adequate reading skills. Some countries promote digital tools to support reading development,…

应用统计 · 统计学 2026-03-19 Yawen Ma , Anastasia Ushakova , Kate Cain , Gabriel Wallin

Intelligent learning diagnosis is a critical engine of intelligent tutoring systems, which aims to estimate learners' current knowledge mastery status and predict their future learning performance. The significant challenge with traditional…

人工智能 · 计算机科学 2023-06-14 Zhifeng Wang , Wenxing Yan , Chunyan Zeng , Shi Dong

Digital learning platforms are increasingly used to support reading development while generating rich log files and item-level textual content. Using these data, this study proposes a dynamic cognitive diagnostic modelling (CDM) framework…

统计方法学 · 统计学 2026-04-09 Yawen Ma , Sahoko Ishida , Kate Cain , Gabriel Wallin

Cognitive diagnosis is an essential research topic in intelligent education, aimed at assessing the level of mastery of different skills by students. So far, many research works have used deep learning models to explore the complex…

机器学习 · 计算机科学 2025-12-30 Jin Wu , Chanjin Zheng

Cognitive diagnosis (CD) aims to reveal students' proficiency in specific knowledge concepts. With the increasing adoption of intelligent education applications, accurately assessing students' knowledge mastery has become an urgent…

计算机与社会 · 计算机科学 2024-12-09 Xinjie Sun , Qi Liu , Kai Zhang , Shuanghong Shen , Fei Wang , Yan Zhuang , Zheng Zhang , Weiyin Gong , Shijin Wang , Lina Yang , Xingying Huo

Cognitive Diagnosis Models (CDMs) are designed to assess students' cognitive states by analyzing their performance across a series of exercises. However, existing CDMs often struggle with diagnosing infrequent students and exercises due to…

人工智能 · 计算机科学 2025-02-11 Zhiang Dong , Jingyuan Chen , Fei Wu

Cognitive diagnosis is a fundamental issue in intelligent education, which aims to discover the proficiency level of students on specific knowledge concepts. Existing approaches usually mine linear interactions of student exercising process…

机器学习 · 计算机科学 2020-03-04 Fei Wang , Qi Liu , Enhong Chen , Zhenya Huang , Yuying Chen , Yu Yin , Zai Huang , Shijin Wang

During the past few decades, cognitive diagnostics modeling has attracted increasing attention in computational education communities, which is capable of quantifying the learning status and knowledge mastery levels of students. Indeed, the…

计算机与社会 · 计算机科学 2024-01-22 Yunfei Zhang , Chuan Qin , Dazhong Shen , Haiping Ma , Le Zhang , Xingyi Zhang , Hengshu Zhu

The need to remove specific student data from cognitive diagnosis (CD) models has become a pressing requirement, driven by users' growing assertion of their "right to be forgotten". However, existing CD models are largely designed without…

机器学习 · 计算机科学 2025-11-07 Mingliang Hou , Yinuo Wang , Teng Guo , Zitao Liu , Wenzhou Dou , Jiaqi Zheng , Renqiang Luo , Mi Tian , Weiqi Luo

Cognitive diagnosis (CD) plays a crucial role in intelligent education, evaluating students' comprehension of knowledge concepts based on their test histories. However, current CD methods often model students, exercises, and knowledge…

计算与语言 · 计算机科学 2025-05-21 Weiming Zhang , Lingyue Fu , Qingyao Li , Kounianhua Du , Jianghao Lin , Jingwei Yu , Wei Xia , Weinan Zhang , Ruiming Tang , Yong Yu

Cognitive Diagnosis~(CD), which leverages students and exercise data to predict students' proficiency levels on different knowledge concepts, is one of fundamental components in Intelligent Education. Due to the scarcity of student-exercise…

机器学习 · 计算机科学 2024-06-06 Dacao Zhang , Kun Zhang , Le Wu , Mi Tian , Richang Hong , Meng Wang

Cognitive diagnosis aims to gauge students' mastery levels based on their response logs. Serving as a pivotal module in web-based online intelligent education systems (WOIESs), it plays an upstream and fundamental role in downstream tasks…

人工智能 · 计算机科学 2024-04-18 Shuo Liu , Junhao Shen , Hong Qian , Aimin Zhou

Cognitive diagnosis models (CDMs) are a family of discrete latent attribute models that serve as statistical basis in educational and psychological cognitive diagnosis assessments. CDMs aim to achieve fine-grained inference on individuals'…

统计方法学 · 统计学 2022-08-08 Zhuoran Shang , Elena A. Erosheva , Gongjun Xu

Recommendation systems aim to predict users' feedback on items not exposed to them. Confounding bias arises due to the presence of unmeasured variables (e.g., the socio-economic status of a user) that can affect both a user's exposure and…

机器学习 · 计算机科学 2023-06-16 Qing Zhang , Xiaoying Zhang , Yang Liu , Hongning Wang , Min Gao , Jiheng Zhang , Ruocheng Guo

Learner-item cognitive modeling plays a central role in the web-based online intelligent education system by enabling cognitive diagnosis (CD) across diverse online educational scenarios. Although ID embedding remains the mainstream…

计算与语言 · 计算机科学 2026-04-07 Yuanhao Liu , Zihan Zhou , Kaiying Wu , Shuo Liu , Yiyang Huang , Jiajun Guo , Aimin Zhou , Hong Qian
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