The study aims to develop an interactive multimedia virtual laboratory that can increase student independence and learning achievement, and determine the effectiveness of its use. This research uses a development design (Research and Development) using the ADDIE model as a development method. The research subjects were X-grade science students at Bengkulu City High School. The data collection techniques used were assessment sheets and student test results, and data analysis using the average (mean), paired test, and independent sample t-test. Expert validation and student response to the product in this study were carried out using a Likert scale. The results show that the developed interactive virtual laboratory multimedia is suitable for improving students' learning achievement in chemistry with the topic of electrical conductivity, based on limited trials and large-scale tests with X-grade students in Bengkulu City high schools. Additionally, the interactive virtual laboratory multimedia was published in the form of a PowerPoint show.
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