DOI:
https://doi.org/10.26740/ujced.v4n2.p%25pAbstract
Penelitian ini bertujuan untuk mendeskripsikan keterampilan berpikir kritis siswa setelah implementasi model pembelajaran kooperatif tipe Numbered Heads Together (NHT) pada materi stoikiometri. Penelitian ini merupakan penelitian deskriptif kuantitatif dengan menggunakan rancangan One Group Pretest Posttest Design. Sampel dari penelitian ini adalah satu kelas siswa kelas X IPA 2 di SMAN 3 Lamongan. Instrumen penelitian yang digunakan adalah lembar keterampilan berpikir kritis yang diberikan sebelum dan sesudah pembelajaran. Hasil penelitian keterampilan berpikir kritis siswa menunjukkah bahwa sebesar 64 % siswa tuntas pada indikator K1 dan 48 % siswa tuntas pada indikator K3.
Kata Kunci : Model Pembelajaran Kooperatif Tipe Numbered Heads Together (NHT), Keterampilan Berpikir Kritis, Stoikiometri
This research is aimed to describestudents’ critical thinking skill after the implementation of cooperative learning models Numbered Heads Together (NHT) type on stoichiometry matter. This research is quantitative descriptive research in One Group Pretest Posttest Design. The sample of this research isone of X IPA 2 in SMAN 3 Lamongan. The research instruments was used in this research is critical thinking test sheet that given before and after implementation. The result of students’ critical thinking skill showed that 64 % of students outcome learning in indicator K1 and 48 % of students outcome learning in indicator K3.
Keywords : Cooperative Learning Models Numbered Heads Together Types, Critical Thinking Skill, Stoichiometry
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