Cheerie S. Dellegue, Alyssa R. Montargo, and Regina P. Galigao (Authors)
Abstract
This study explores the impact of professional development (PD) on teachers’ instructional practices and student achievement outcomes. It aims to determine how participation in PD programs influences teaching strategies and contributes to improved student performance. A quantitative research approach was employed, using data mining techniques to analyze large datasets from teacher performance records, classroom observations, and student assessment results. Specifically, association rule mining and decision tree analysis were used to identify meaningful patterns and relationships between the type of professional development received and changes in instructional practices, as well as corresponding effects on student achievement. The results indicate that well-designed PD programs positively influence teaching methods, which are linked to better student academic outcomes. The study emphasizes the value of data-driven approaches in evaluating the effectiveness of professional development and provides insights that can help school leaders and policymakers design targeted PD initiatives to enhance teaching and learning outcomes.
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Keywords: Professional development, Instructional practices, Student achievement