Penerapan Model Pembelajaran Kooperatif Tipe Jigsaw untuk Meningkatkan Hasil Belajar Siswa pada Materi Sistem Koordinasi Manusia Kelas XI

This study aims to improve the learning outcomes of class XI students SMA Negeri 1 Pahunga Lodu through application a jigsaw cooperative model assisted by videos. type research is classified as Classroom Action Research (PTK) which carried out in two cycles, consists four stages, namely: 1) planning; 2) implementation; 3) observation; and 4) reflection stage. The subjects this were 38 at for academic year 2022/2023, consisting 14 male 24 female students. data obtained form student taken from instruments used are: interviews; test; run. results analysis cycle I II revealed that there was an increase 2022/2023 year. indicated proportion biology lessons on human coordination system material. 73%, 92%. conclusion can Lodu.