Development of Indonesian Correspondence Teaching Materials Based on High Order Thinking Skills (HOTS) to Improve Students Competency Towards the Revolution 4.0 Era

Teaching materials are all forms of material that are designed and arranged systematically to enable students to learn independently and be adapted to the applied curriculum. This study aims of this research to design Indonesian Correspondence teaching materials that can are expected to improve students’ high order thinking skills Office Administration Education students. Teaching materials designed are validated by experts in terms of content, language, and development design, then tested on students according to the stages. The research design used the ADDIE research and development model. This model is suitable to be applied to the development of teaching materials because the stages are systematic. The instruments in this study were collected through questionnaires, observation sheets for students who took Indonesian Correspondence courses in the odd semester of 2020/2021. Based on the results of trials conducted in class, it was found that the teaching materials that were designed were quite good because they met the criteria and characteristics of the course and students. Based on the student response questionnaire, it was found that student responses were very positive (98.33). Teaching materials meet the criteria of being effective, 65% of students get completeness scores and 35% more get 90 points in the aspect of mastery of the material. The data in this research were analyzed using a qualitative descriptive method. The results obtained indicate that the teaching materials designed and developed are effective enough to improve students’ higher order thinking skills (HOTS) in the Indonesian Correspondence course.