Pengembangan Instrumen Tes Pemahaman Konsep Pada Materi Pokok Getaran Dan Gel…

The learning device developed in this research was a physics learning tool in the form of a concept understanding test instrument. The purpose of this research is to produce a valid concept understanding instrument on the material of vibrations and waves. This research is expected to be a reference in making a valid test instruments, especially on the vibrations and waves material. The type of …