Daftar Isi:
  • This research is aimed at Knowing Improvement of student learning outcomes after using proteus app in the learning of automtic control system. Research carried, out in vocational, high, schools, majoring in refrigeration, and air conditioning, engineering. This research method is, using Classroom Action Research (CAR). Each cycle consists of planning, implementing,observing, and reflecting. Data, retrieval, parameters, conducted, in this study, used pre-test and post-test questions. The results of the study using N-Gain probl,ems, cycle I and cycle II showed values ,in the medium category, then increased in cycle III to high category. These results provide implications that use proteus app in the subjects of automtic control system on improving student learning outcomes. Keywords: learning outcomes, classroom action research, proteus app