EFEKTIVITAS PROBLEM BASED LEARNING (PBL) DALAM MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH SISWA SMPN 17 KENDARI

Irma Lismayani, Parno Parno, Susriyati Mahanal

Abstract


Kemampuan pemecahan masalah merupakan salah satu kemampuan penting yang harus dimiliki siswa. Studi pendahuluan menunjukkan bahwa kemampuan pemecahan masalah siswa SMPN 17 Kendari masih tergolong rendah dengan skor rata-rata 48,18. Diperlukan model pembelajaran yang mampu melatihkan kemampuan pemecahan masalah siswa. Salah satu model pembelajaran tersebut adalah Problem Based Learning (PBL). Penelitian ini bertujuan untuk melihat efektivitas Problem Based Learning (PBL) dalam meningkatkan kemampuan pemecahan masalah siswa SMP pada materi Ekosistem. Penelitian merupakan penelitian kuasi eksperimen onegroup pretest-postest design. Subjek penelitian ini adalah siswa kelas VII.4 SMPN 17 Kendari Tahun Pelajaran 2016/2017 yang berjumlah 30 orang. Instrumen pengukuran adalah tes kemampuan pemecahan masalah yang berjumlah 15 butir soal uraian dengan reliabilitas 0,76. Hasil penelitian menunjukkan bahwa skor rata-rata postes 61,89 lebih tinggi daripada skor rata-rata pretes 42,56 (p =0.000) dengan d- effect size sebesar 1,67 (kategori sangat kuat) dan n-gain score sebesar 0,34 (kategori sedang).  Hasil ini menunjukkan bahwa penerapan Problem Based Learning (PBL) berpengaruh sangat kuat  dan efektif terhadap peningkatan kemampuan pemecahan masalah siswa.

Keywords


Problem Based Learning (PBL); kemampuan pemecahan masalah

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References


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