PEMBELAJARAN FISIKA DASAR BERBASIS PROBLEM SOLVING UNTUK MENGEMBANGKAN KEMAMPUAN METAKOGNISI DAN PEMAHAMAN KONSEP FISIKA Mariati Purnama Simanjuntak1), Agus Setiawan2), Andi Suhandi3)(1)Prodi Pendidikan Fisika FPMIPA Unimed, 2)Program Studi Pendidikan IPASekolah Pascasarjana UPI1) mariati_ps@yahoo.co.idABSTRACT We have developed a problem-solving-based learning model for Physics. This model was developed by using R & D method covering 4-D steps, i.e., define, design, develop and disseminate. The problem-solving-based learning model, which has been proved to be successful to develop learning phases, including: first, orienting students on the problem; second, organizing students for the study; third, guiding investigation both individually and group, next, developing and presenting the...