International Journal For Multidisciplinary Research

E-ISSN: 2582-2160   •   Impact Factor: 9.24

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Effects of Vodcasts and PowerPoint Presentations on the Academic Performance and Motivation among Grade 9 Biology Learners

Author(s) Ms. Ria Ramas, Dr. Marites Egar
Country Philippines
Abstract This study aimed to determine the effects of vodcasts and PowerPoint presentations on learners’ academic performance and motivation in Biology. This was conducted at Balubal National High School, Balubal, Cagayan de Oro City involving Grade 9 learners officially enrolled for School Year 2025-2026. A quasi-experimental pretest-posttest research design was employed to achieve the objectives of the study. Academic performance was measured using a 60-item researcher-made test covering the least mastered competencies in Biology, while learners’ motivation was assessed using a validated survey questionnaire based on the ARCS (Attention, Relevance, Confidence, Satisfaction) motivation model.

Standard statistical procedures, including mean, standard deviation, and one-way analysis of covariance (ANCOVA), were used to analyse the data. The results showed that learners exposed to vodcast instruction achieved a very satisfactory level of academic performance, whereas those taught using PowerPoint attained a fairly satisfactory level. Moreover, a significant difference was observed between the two groups, indicating that vodcast instruction was more effective. Nevertheless, both instructional materials contributed to improvements in learners’ academic performance. On the other hand, it was also demonstrated that after the implementation of the multimedia-based instruction, both groups attained a very highly motivated level. There was no significant difference in terms of motivation in Biology in both groups.
Keywords Multimedia-Based Instructions, Vodcasts, PowerPoint Presentations, Academic Performance, Motivation, Biology
Field Biology
Published In Volume 8, Issue 3, May-June 2026
Published On 2026-05-07
DOI https://doi.org/10.36948/ijfmr.2026.v08i03.77032
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