LEMBAR KERJA SISWA (LKS) BERBASIS GUIDED INQUIRY UNTUK MELATIHKAN KETERAMPILAN BERPIKIR KRITIS SISWA SMP

STUDENT’S WORKSHEET BASED ON GUIDED INQUIRY TO FACILITATE STUDENT’S CRITICAL THINKING SKILLS

Penelitian ini bertujuan untuk mendeskripsikan keefektifan Lembar Kerja Siswa  (LKS) berbasis guided inquiry untuk melatihkan keterampilan berpikir kritis siswa melalui tes pengetahuan dan angket respon. Desain uji coba pada penelitian ini yaitu pra-eksperimen One - Group Pretest – Posttest. Instrumen yang digunakan yakni lembar soal pre-test dan post-test keterampilan berpikir kritis serta angket respon siswa. Sampel penelitian ini adalah  38 siswa kelas VII di salah satu sekolah di Surabaya. Hasil tes keterampilan berpikir kritis siswa  memperoleh skor N-Gain dari indikator memberikan penjelasan sederhana sebesar 0,79 dengan kriteria tinggi; membangun keterampilan dasar sebesar 0,81 dengan kriteria tinggi; dan menyimpulkan sebesar 0,76 dengan kriteria tinggi. Hasil angket respon dari siswa juga menunjukkan 93,20% siswa memberikan respon positif terhadap LKS yang digunakan dengan kriteria sangat efektif. Berdasarkan penelitian yang dilakukan maka dapat disimpulkan bahwa LKS berbasis guided inquiry dapat melatihkan keterampilan berpikir kritis siswa.

This study aimed to describe the effectiveness of students worksheet based guided inquiry to facilitate students critical thinking skills by knowledge test and student questionnaire responses. The trial design in this study was a pre-experimental One Group Pretest-Posttest. The instruments used were the pre-test and post-test questions of critical thinking skills and student questionnaire responses. The sample of this study was 38 7th grade students in a school in Surabaya. The results of the critical thinking skills test students obtained an N-Gain score from the indicator gave a simple explanation of 0.79 with high criteria; build basic skills of 0.81 with high criteria; and concluded of 0.76 with high criteria. The results of the questionnaire responses from students showed 93.20% of students gave a positive response to the students worksheets with very effective criteria. Based on the research that has been done, then it can be cocluded that students worksheet based guided inquiry get to facilitate students critical thinking skills.

Keywords : Student’s worksheet, guided inquiry, critical thinking skills.