The Influence of Professional Development Training and Classroom Size on the Effectiveness of Teaching Practices in Inclusive Education

Riza B. Sayman, Marian Gie S. Basoc and Roselyn M. Ricaforte
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Riza B. Sayman: Holy Cross of Davao College Davao City, 8000, Philippines
Marian Gie S. Basoc: Holy Cross of Davao College Davao City, 8000, Philippines
Roselyn M. Ricaforte: Holy Cross of Davao College Davao City, 8000, Philippines

International Journal of Research and Innovation in Social Science, 2025, vol. 9, issue 6, 4601-4607

Abstract: The effectiveness of teaching practices is a critical factor in the success of inclusive education, as it directly impacts how well diverse learners are supported in the classroom. This study investigated the influence of professional development training and classroom size on teaching effectiveness in inclusive education settings. Using a quantitative correlational research design, the study involved 180 teachers from the Caraga North District in the Division of Davao Oriental, Philippines, all with at least one year of experience in inclusive education and selected through total enumeration sampling. Data were collected using a structured, expert-validated, and pilot-tested survey instrument. Descriptive statistics were used to summarize the data, Pearson correlation assessed the relationships among variables, and multiple regression analysis examined the individual and combined effects of professional development and classroom size. Results revealed a strong positive relationship between professional development training and teaching effectiveness, while classroom size showed a moderate yet significant impact, with larger class sizes negatively affecting teaching outcomes. These findings highlight the importance of ongoing teacher training and class size management in promoting effective instructional practices in inclusive classrooms. The study provides valuable insights for educators, school leaders, and policymakers in developing strategies that enhance the quality of inclusive education.

Date: 2025
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