Pengembangan Perangkat Pembelajaran Berbasis Pemecahan Masalah untuk Meningkatkan Kemampuan Berpikir Kritis Siswa SMP Kelas IX

Hidayanti, Dwi
As’ari, Abdur Rahman
Chandra, Tjang Daniel

Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan
Vol. 1, No. 4

The aim of this design research is developing learning instrument include lesson plan and student’s worksheet with problem solving approach that have valid, practical, and effective criteria. The design research model of this research is design research model by Plomp. There are three phase of this model, that are preliminary research, prototyping phase, and assesment phase. Based on the data analysis of validity, practicality, and effectiveness, the learning instrumen is valid, practical, and effective. The score of validity is 3,86 mean valid without revision, the score of practicalitiy is 3,32 mean has high practicality, and increasing critical thinking skill as 74%.