This study aims to investigate the effectiveness of Wizer.me as an interactive digital platform in improving students’ writing achievement in descriptive texts. The research was conducted at SMP Negeri 1 Pajar Bulan using a quasi-experimental design with two groups: the experimental group, which received instruction through Wizer.me, and the control group, which was taught using conventional methods. Data were collected through pre-tests and post-tests and analyzed using paired and independent sample t-tests. The findings revealed that students in the experimental group showed significant improvement in their writing performance compared to the control group. Among the five assessed aspects—content, organization, grammar, vocabulary, and mechanics—content and organization improved the most. Wizer.me created an engaging and supportive learning environment that helped students develop and organize their ideas more effectively. In conclusion, the use of Wizer.me significantly enhanced students’ writing achievement and can be considered a useful tool for teaching descriptive writing at junior high school level.
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