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Effectiveness of Nurturing Engagement and Lifelong Learning through Audio-Visual (NELLA) as Supplementary Materials in Enhancing the Academic Performance of Grade 11 Students in Food and Beverage Services

Keywords

Effectiveness, food and beverage services, modified video lessons, supplementary materials

Abstract

The demand for skilled professionals in the Food and Beverage Services sector highlights the critical need for effective teaching methodologies that can boost student engagement and performance. However, conventional classroom instruction often struggles to meet the diverse learning needs of students and to provide the practical, immersive experience necessary for a deep understanding of the subject matter. This challenge points to a notable research gap: the need to explore innovative supplementary educational tools, specifically audio-visual materials, and their direct impact on knowledge retention and comprehension in this vocational area. To address this, the current study investigated the effectiveness of Nurturing Engagement and Lifelong Learning through Audio-visual (NELLA) as a supplementary material for enhancing the academic performance of Grade 11 students in Food and Beverage Services. A quasi-experimental design was employed with ninety-six participants, who were divided into an experimental and a comparison group using a match pairing method based on pretest scores. The experimental group received NELLA interventions, while the comparison group followed the standard curriculum. The results of formative and post-tests revealed that students who used NELLA demonstrated a significant improvement in their understanding and learning outcomes. This suggests that the NELLA intervention, through increased engagement, targeted instruction, and self-paced learning, is a valuable pedagogical tool. While both groups showed some improvement, the NELLA group demonstrated a clear advantage in accelerating learning and achieving a deeper understanding, thereby confirming the potential of this audio-visual approach to bridge the gap in effective vocational education.

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