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Using GPT-4 to Augment Imbalanced Data for Automatic Scoring
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AI
DOI：10.1111/jedm.70020.png)
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Abstract
En 中文
Machine learning-based automatic scoring faces challenges with imbalanced student responses across scoring categories. To address this, we introduce a novel text data augmentation framework that leverages GPT-4, a generative large language model specifically tailored for imbalanced datasets in automatic scoring. Our experimental dataset consisted of student-written responses to four science items. We crafted prompts for GPT-4 to generate responses, especially for minority scoring classes, enhancing the dataset. We then fine-tuned DistilBERT for automatic scoring based on the augmented and original datasets. Model performance was assessed using accuracy, precision, recall, and F1 metrics. Our findings revealed that incorporating GPT-4-augmented data significantly improved model performance, particularly in terms of precision and F1 scores. Interestingly, the extent of improvement varied depending on the specific dataset and the proportion of augmented data used. Notably, we found that a varying amount of augmented data (20%-40%) was required to achieve stable improvement in automatic scoring. Comparisons with models trained on additional student-written responses suggest that GPT-4 augmented models align with those trained on student data. This research highlights the potential and effectiveness of data augmentation techniques, utilizing generative large language models like GPT-4, in addressing imbalanced datasets within automatic assessment.
Keywords:
GPT-4
data augmentation
imbalanced datasets
automatic scoring
DistilBERT
Journal
J
IF:
1.6
Papers:
45
Citations:
2.3K