Abstract
The problem discussed in this research is how the learning outcomes of students are not optimal in terms of attitudes, knowledge and skills. The purpose of the study was to determine the extent to which the effectiveness of the integrated Physics e-book on lightning disaster material based on discovery learning model could improve student learning outcomes. The type of research used is Research and development (R&D). The model used as a method in this research is the Plomp development model with three stages of development, namely, preliminary research, development or prototyping and assessment. The discussion is limited to the assessment stage to see the level of effectiveness of the resulting product. Product effectiveness instruments are in the form of student self-assessment questionnaires for attitude competencies, multiple choice for knowledge competencies, on performance assessments for skills competencies. Attitude and skill competency data obtained were analyzed using graph analysis and knowledge competency data was analyzed using N-gain. Research conducted at SMAN 16 Padang in the 2020/2021 academic year on direct current electricity. The results showed that the integrated Physics e-book on lightning disaster material based on discovery learning model was effective in improving student learning outcomes with an average result of 86% attitude competence in the very effective category, the N-gain value of knowledge competence 0.5 with the effective category and the result the average skill competency is 89.72% at very effective.