Research on the deslign of preselntation media using focusky on computer network courses at the PTIK IAIN Bukittinggi study program uses the Research and Development (R&D) method with the DDD-E development model. Media development using the DDD-E model consists of (1) Decide or set progrlam goals and materials, (2) Design or design, namely creating program structures, (3) Develop or developing is prolducing media elements and making media appearance, (4) Evaluate or evaluate, namely checking the entire design and development process. The product tests used in this study are validity tests, practicality tests, and effectiveness tests.
The results of the product test that the author did obtained a validity test from 4 validlators obtained a value of 0.85 with a very valid category, a practiclality test from 3 practicators obtained a value of 0.94 with a very high category, and the effectiveness test from 31 assessors obtained a value of 0, 88 with very effectlive category.
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This activity is carried out aiming to see the feasibility of developing Focusky media . Focusky is one of the media used as a material presentation tool that is able to arouse interest in learning for students by using the 4-D model on Human Circulation System material that is suitable for use in the learning process. This research was developed with a 4-D model consisting of Definitions, Planning , Development , and Dissemination. Data collection using a questionnaire. The product that has been developed has been validated by material experts and validation by media experts.The results of this study are based on assessments given by material expert lecturers with an average of 3.36 in the valid category, whereas assessments from media expert lecturers with an average of 3.56 with valid categories and an assessment of 15 students with an average of 3, 47 and declared valid. Based on the results of the assessment obtained it can be concluded that the focusky learning media based on the 5E Learning Cycle can increase the drive to learn, increase learning interest, shorten time, strengthen concepts and provide assistance in learning, and the desire to learn other material with similar media, students are more motivated than at the previous meeting students seemed enthusiastic in following the lesson.