Journal of Advances in Developmental Research

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Effects of Interactive Multimedia Lessons on Students’ Science Achievement

Author(s) T. Premalatha, Dr.Sambath Rani
Country India
Abstract Purpose:
This study investigated the effectiveness of interactive multimedia lessons on Grade 8 students’ science achievement.
Design/Approach/Methods:
A quasi-experimental pre-test–post-test control group design was employed. The sample consisted of 80 students from Shri Avinashilingam Girls Higher Secondary School, randomly assigned to an experimental group (n = 40), which received multimedia-based instruction, and a control group (n = 40), which received traditional lecture-based instruction. Both groups completed a 30-item science achievement test before and after a four-week instructional period. Data were analysed using descriptive statistics, independent samples t-test, and comparison of pre-test and post-test scores.
Findings:
Results indicated that the experimental group demonstrated a substantially higher post-test mean score (M = 26.8, SD = 2.9) compared to the control group (M = 21.4, SD = 3.1), t(78) = 7.23, p < .001. The pre-test scores of both groups were nearly equivalent (M = 14.5 vs. 14.2), confirming baseline similarity. These findings suggest that interactive multimedia instruction significantly enhances conceptual understanding and overall science achievement among Grade 8 students.
Originality/Value:
The study provides empirical evidence supporting the integration of interactive multimedia into science curricula. Multimedia-based instruction not only improves learning outcomes but also fosters engagement, motivation, and active participation, aligning with Mayer’s Cognitive Theory of Multimedia Learning and previous research on technology-enhanced education.
Keywords Multimedia learning, Interactive instruction, Digital learning tools, Science achievement, Active learning, Educational technology.
Published In Volume 17, Issue 1, January-June 2026
Published On 2026-03-05
Cite This Effects of Interactive Multimedia Lessons on Students’ Science Achievement - T. Premalatha, Dr.Sambath Rani - IJAIDR Volume 17, Issue 1, January-June 2026.
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