Pengembangan Perangkat Pembelajaran Berbasis Model Pembelajaran Susan Loucks-…

This study was aimed to develop learning tools based on the Susan Loucks-Horsley Model on Vibration and wave material for class VIII in junior high school, to investigate the validity of learning devices that have been developed. The device development model used is the Research and Development (R & D) model with a design 4D developed by S. Thiagarajan, et al. Teaching tools developed in the fo…