Development of learning devices based on merdeka belajar with the theme of environmental pollution for class VII students of Public Junior High School 3 Tondano
Yulia Pondean, Rolles Palilingan, Aswin Mandolang, Anatje Lihiang, Emma Pongoh
This research is a Research on Development of Learning Devices based on Merdeka Belajar. The objectives of this research are: (1) to produce a science learning tool based on independent learning that meets the criteria for proper learning. (2) Knowing the improvement of student learning outcomes from the application of learning tools based on independent learning. The method used in this study is a Research and Development Approach following the stages of development research according to Brog and Gall which was revised by Palilingan with the following steps: (1) Planning, (2) Exploration Studies, (3) Development of Initial Forms of Products (4) Data Collection and Data Analysis Instruments, (5) Expert Product Validation consisting of media experts and material experts, (6) Revision based on Validation Results, (7) Dissemination. The results of this study indicate that: based on the assessment: (1) media expert validation obtained an average of 86.45 including the Very Eligible category (2) Material 1 expert validation (Lecturer) obtained a score of 189 with a percentage value of 82.17% the value belongs to the category Very High, while the assessment carried out by material expert 2 (teacher) obtained a score of 195 with a percentage value of 84.78%, where the value was included in the very high category (3) This Learning Tool received a positive response from students with average learning outcomes. The average pre-test was 51, with a completeness percentage of 16%, while the post-test score showed an increase in the average score of 74.5 with a Completeness percentage of 88%. Also supported by questionnaire response 1 (teacher) obtained a percentage of 95%. The percentage is included in the very good category. 2 (Students) the score achieved for the category Strongly Agree (SS) 73%.