Development of Interactive e-LKPD using ADDIE Model to Improve Science Process Skills and Learning Motivation of Students of Junior High School

This research is development research which aims to investigate various aspects of Interactive E-LKPD using the ADDIE model at SMPN 1 Bungku Selatan. The main focus of research includes validity, practicality, effectiveness on science process skills and student learning motivation. Data was collected through questionnaires and tests, with product validity measured using the average score from the validation sheet, practicality evaluated through observation sheets on the implementation of teacher activities using the guided inquiry learning model and student questionnaires, effectiveness measured by effect size from the pretest and posttest, and student learning motivation assessed with closed questionnaires converted into percentages. The research results show that the Interactive E-LKPD developed using the ADDIE model is proven to be suitable for use in learning. From validity, the product obtained an average feasibility level of 3.74, with the "valid" category. Assessment of the implementation of teacher activities using the guided inquiry learning model for this product shows an average score of 3.60, which indicates that this product is practical to use in the learning process. In terms of effectiveness, Interactive E-LKPD succeeded in significantly improving students' science process skills with an effect size value reaching 0.86 with the criterion of having a "big effect". The use of Interactive E-LKPD also succeeded in increasing students' learning motivation as seen from the average percentage of initial learning motivation of 60.66% and after learning using Interactive E-LKPD, learning motivation was obtained at the first meeting with an average percentage of 77.29%. the second 88.11%, and the third meeting 94.09%, these results indicate an increase in student learning motivation at each meeting. So that the development of Interactive E-LKPD using the ADDIE model is effective in producing learning products that are not only academically valid, but also practical and effective in improving learning outcomes and student motivation at SMPN 1 Bungku Selatan.