Data Mining Analysis of Moodle Learning Data and Student Perceptions During and After the Covid-19 Pandemic

Chatarina Enny Murwaningtyas; Maria Fatima Dineri De Jesus

doi:10.23887/janapati.v13i3.84005

Authors

Chatarina Enny Murwaningtyas Sanata Dharma University
Maria Fatima Dineri De Jesus Sanata Dharma University

DOI:

https://doi.org/10.23887/janapati.v13i3.84005

Keywords:

Moodle Data, Student Perceptions, Decision Tree, Random Forest, Naïve Bayes

Abstract

This study examines the academic performance of students from the 2020 and 2023 cohorts, highlighting differences in activity, attendance, task completion, midterm and final exam scores, and perceptions of educational metrics. A data mining approach was applied to predict students' GPA using Decision Tree, Random Forest, Multinomial Naïve Bayes, and Gaussian Naïve Bayes algorithms. The Gaussian Naïve Bayes model showed the highest accuracy of 0.93 for the 2020 cohort and 0.92 for the 2023 cohort, with the lowest error rate making it the most effective predictor. Feature importance analysis revealed that task completion and exam scores were the most influential factors, while students' perceptions had a lesser impact. The findings suggest that direct academic metrics should be the focus for improving student performance. This study emphasizes the need for further refinement of predictive models and suggests incorporating both academic metrics and student perceptions for a holistic understanding of student performance.

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