Feasibility and Effectiveness of the Ecosystem Services E-Module Using OIDDE-based Learning to Improve Environmental Attitudes of Senior High School Students

Focusing on the School Mover Program, namely the development of holistic student learning outcomes including competence and character. One of the characteristics that is necessary to develop is the environmental care sub-value in religious character. This type of research is quantitative and descriptive. The aim is to test the feasibility and effectiveness of the Ecosystem Services e-Module Using OIDDE Based Learning on students' environmental attitudes. The results of the analysis show that the developed e-module is very valid, practical, and effective. The n-gain score of 0.41 indicates the effectiveness of the medium e-module in improving students' environmental attitudes.