Applied Sciences, Free Full-Text
Por um escritor misterioso
Last updated 03 julho 2024
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Algorithms and programming are some of the most challenging topics faced by students during undergraduate programs. Dropout and failure rates in courses involving such topics are usually high, which has raised attention towards the development of strategies to attenuate this situation. Machine learning techniques can help in this direction by providing models able to detect at-risk students earlier. Therefore, lecturers, tutors or staff can pedagogically try to mitigate this problem. To early predict at-risk students in introductory programming courses, we present a comparative study aiming to find the best combination of datasets (set of variables) and classification algorithms. The data collected from Moodle was used to generate 13 distinct datasets based on different aspects of student interactions (cognitive presence, social presence and teaching presence) inside the virtual environment. Results show there are no statistically significant difference among models generated from the different datasets and that the counts of interactions together with derived attributes are sufficient for the task. The performances of the models varied for each semester, with the best of them able to detect students at-risk in the first week of the course with AUC ROC from 0.7 to 0.9. Moreover, the use of SMOTE to balance the datasets did not improve the performance of the models.
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The University of Applied Sciences at Albstadt-Sigmaringen
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Opinion Paper: “So what if ChatGPT wrote it?” Multidisciplinary
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Applied Sciences An Open Access Journal from MDPI
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11,171 Applied Sciences Images, Stock Photos, 3D objects
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Applied Sciences, Free Full-Text
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Computational Sciences Group — Publications
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Applied sciences Stock Photos, Royalty Free Applied sciences
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15+ Applied Sciences Books for Free! [PDF]
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Applied Sciences An Open Access Journal from MDPI
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Applied Science & Technology Full Text
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Applied Research - Wiley Online Library
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Applied sciences Stock Photos, Royalty Free Applied sciences
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Journal of Advanced Research by Elsevier
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Applied Sciences An Open Access Journal from MDPI
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