Identifikasi Miskonsespi Siswa pada Materi Getaran dan Gelombang Kelas VIII di Mtsn Rukoh

This study aims to identify misconceptions in students in class VIII MTSN Rukoh on the concept of vibrations and waves. The study population was a class VIII student MTsN Rukoh Banda Aceh the school year 2016/2017, amounting to 120 students and 28 are designated sample VIIIA class. Determination of sample is purposive sampling. The method used is qualitative descriptive method. The data collection was done by using a diagnostic test which is equipped with a CRI (Certainly of Response Index) and interviews. Processing data using simple statistical calculation in the form of a percentage. The result showed that the average level of Lucky Guess (LG) of 11:24%, Know Concepts (TK) as much as 26.75%, Do not Know Concepts (TTK) as much as 25.17% and Misconceptions (M) as much as 32.67%