ZPD-SCA: Unveiling the Blind Spots of LLMs in Assessing Students' Cognitive Abilities

Fuente: arXiv
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Main Authors: Dong, Wenhan, Sun, Zhen, Zhao, Yuemeng, Peng, Zifan, Wu, Jun, Zheng, Jingyi, Liu, Yule, He, Xinlei, Wang, Yu, Wang, Ruiming, Huang, Xinyi, Mo, Lei
Format: Preprint
Published: 2025
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author Dong, Wenhan
Sun, Zhen
Zhao, Yuemeng
Peng, Zifan
Wu, Jun
Zheng, Jingyi
Liu, Yule
He, Xinlei
Wang, Yu
Wang, Ruiming
Huang, Xinyi
Mo, Lei
author_facet Dong, Wenhan
Sun, Zhen
Zhao, Yuemeng
Peng, Zifan
Wu, Jun
Zheng, Jingyi
Liu, Yule
He, Xinlei
Wang, Yu
Wang, Ruiming
Huang, Xinyi
Mo, Lei
contents Large language models (LLMs) have demonstrated potential in educational applications, yet their capacity to accurately assess the cognitive alignment of reading materials with students' developmental stages remains insufficiently explored. This gap is particularly critical given the foundational educational principle of the Zone of Proximal Development (ZPD), which emphasizes the need to match learning resources with Students' Cognitive Abilities (SCA). Despite the importance of this alignment, there is a notable absence of comprehensive studies investigating LLMs' ability to evaluate reading comprehension difficulty across different student age groups, especially in the context of Chinese language education. To fill this gap, we introduce ZPD-SCA, a novel benchmark specifically designed to assess stage-level Chinese reading comprehension difficulty. The benchmark is annotated by 60 Special Grade teachers, a group that represents the top 0.15% of all in-service teachers nationwide. Experimental results reveal that LLMs perform poorly in zero-shot learning scenarios, with Qwen-max and GLM even falling below the probability of random guessing. When provided with in-context examples, LLMs performance improves substantially, with some models achieving nearly double the accuracy of their zero-shot baselines. These results reveal that LLMs possess emerging abilities to assess reading difficulty, while also exposing limitations in their current training for educationally aligned judgment. Notably, even the best-performing models display systematic directional biases, suggesting difficulties in accurately aligning material difficulty with SCA. Furthermore, significant variations in model performance across different genres underscore the complexity of task. We envision that ZPD-SCA can provide a foundation for evaluating and improving LLMs in cognitively aligned educational applications.
format Preprint
id arxiv_https___arxiv_org_abs_2508_14377
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle ZPD-SCA: Unveiling the Blind Spots of LLMs in Assessing Students' Cognitive Abilities
Dong, Wenhan
Sun, Zhen
Zhao, Yuemeng
Peng, Zifan
Wu, Jun
Zheng, Jingyi
Liu, Yule
He, Xinlei
Wang, Yu
Wang, Ruiming
Huang, Xinyi
Mo, Lei
Computation and Language
Artificial Intelligence
Computers and Society
Large language models (LLMs) have demonstrated potential in educational applications, yet their capacity to accurately assess the cognitive alignment of reading materials with students' developmental stages remains insufficiently explored. This gap is particularly critical given the foundational educational principle of the Zone of Proximal Development (ZPD), which emphasizes the need to match learning resources with Students' Cognitive Abilities (SCA). Despite the importance of this alignment, there is a notable absence of comprehensive studies investigating LLMs' ability to evaluate reading comprehension difficulty across different student age groups, especially in the context of Chinese language education. To fill this gap, we introduce ZPD-SCA, a novel benchmark specifically designed to assess stage-level Chinese reading comprehension difficulty. The benchmark is annotated by 60 Special Grade teachers, a group that represents the top 0.15% of all in-service teachers nationwide. Experimental results reveal that LLMs perform poorly in zero-shot learning scenarios, with Qwen-max and GLM even falling below the probability of random guessing. When provided with in-context examples, LLMs performance improves substantially, with some models achieving nearly double the accuracy of their zero-shot baselines. These results reveal that LLMs possess emerging abilities to assess reading difficulty, while also exposing limitations in their current training for educationally aligned judgment. Notably, even the best-performing models display systematic directional biases, suggesting difficulties in accurately aligning material difficulty with SCA. Furthermore, significant variations in model performance across different genres underscore the complexity of task. We envision that ZPD-SCA can provide a foundation for evaluating and improving LLMs in cognitively aligned educational applications.
title ZPD-SCA: Unveiling the Blind Spots of LLMs in Assessing Students' Cognitive Abilities
topic Computation and Language
Artificial Intelligence
Computers and Society
url https://arxiv.org/abs/2508.14377