Integrating interactive technology into English reading instruction is crucial. However, ninth-grade students often struggle with report text comprehension due to reliance on monotonous printed materials, highlighting a gap in providing targeted digital media. This study aims to develop a Canva-based digital book and examine its effectiveness in improving report text reading comprehension. Grounded in the Genre-Based Approach and multimedia learning principles, this study employed a Design-Based Research (DBR) method involving preliminary, prototyping, and assessment phases. A quasi-experimental design was conducted at SMPIT Ihsanul Fikri Magelang. The findings revealed that the developed digital book is highly valid. Furthermore, the experimental group demonstrated a significantly higher improvement in reading comprehension compared to the control group, confirmed by statistical tests and a higher N-Gain score. Consequently, the Canva-based digital book effectively enhances students' reading comprehension and engagement.
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