PENINGKATAN PENGUASAAN KONSEP MATRIKS MELALUI MODEL PEMBELAJARAN KOOPERATIF TIPE TWO STAY TWO STRAY (TSTS)
(Lesson Study dengan Mengambil Obyek Mata Kuliah Matriks di Semester 2)
Abstract
Artikel ini ditulis dengan tujuan untuk mendeskripsikan hasil pembelajaran yang memfokuskan pada peningkatan penguasaan konsep mahasiswa terhadap materi matriks. Sebagai
calon pendidik, mahasiswa Program Studi Pendidikan Matematika dibekali dengan kompetensi professional yang berkaitan dengan penguasaan materi secara mendalam. Kompetensi profesional ini diberikan melalui mata kuliah aljabar yang salah satunya adalah mata kuliah Matriks. Berdasarkan permasalahan tersebut maka tim lesson study (LS) mencoba menerapkan pembelajaran dengan model pembelajaran kooperatif tipe two stay two stray. Kegiatan LS dilaksanakan sebanyak 4 siklus dan setiap siklusnya terdapat 3 tahap yaitu, plan, do dan see. Hasil observasi dari siklus 1 sampai 4 menunjukkan penguasaan mahasiswa terhadap konsep meningkat, pada siklus ke-3 dan ke-4 mahasiswa mampu mempresentasikan hasil diskusi mereka tanpa membawa catatan serta dapat menyimpulkan sendiri materi yang mereka pelajari tanpa arahan dari dosen dan tanpa melihat buku.
Dan berdasarkan nilai kuis mahasiswa pada siklus ke-2, ke-3, dan ke-4, menunjukkan adanya peningkatan penguasaan konsep mahasiswa. Pada siklus ke-2 nilai rata-rata mahasiswa 71,25; pada siklus ke-3 nilai rata-rata mahasiswa 87,28; pada siklus ke-4 nilai rata-rata mahasiswa 87,625. Dengan demikian dapat disimpulkan bahwa model pembelajaran kooperatif tipe two stay two stray dapat meningkatkan penguasaan konsep mahasiswa terhadap materi yang mereka pelajari.
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