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Predicting learning performance using NLP: an exploratory study using two semantic textual similarity methods
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Predicting learning performance using NLP: an exploratory study using two semantic textual similarity methods
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Journal Article
Predicting learning performance using NLP: an exploratory study using two semantic textual similarity methods
2025
Overview
Most learning analytics (LA) systems provide generic feedback, because they primarily draw on performance data based on quiz scores. This study explored the potential of student-generated summaries as an alternative method for predicting learning performance. Two hundred and fifty-four undergraduates first watched a series of six short video lectures and then wrote a short summary for each one. Based on their median performance quiz scores, the participants were divided into two performance groups. Sparse and dense text vectorization methods were used to represent the video lectures and student summaries. Three semantic textual similarity features were computed using cosine similarity and were used as input into seven common machine learning algorithms. The results indicated that the sparse similarity features outperformed dense ones in classifying performance. Also, the best classification accuracy was achieved using the K-Nearest Neighbors and Random Forrest algorithms. Overall, the findings suggest that semantic similarity measures can be used as additional proxy measures of learning, thereby enabling the real-time monitoring and evaluation of student understanding in LA contexts.
Publisher
Springer London,Springer Nature B.V
