PENGARUH MODEL PEMBELAJARAN BRAIN BASED LEARNING BERBASIS SOAL OPEN ENDED TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA SMP NEGERI 37 BEKASI

SAFIRA NURUL HASANAH, . (2025) PENGARUH MODEL PEMBELAJARAN BRAIN BASED LEARNING BERBASIS SOAL OPEN ENDED TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA SMP NEGERI 37 BEKASI. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh penerapan model Brain Based Learning (BBL) berbasis soal open ended terhadap kemampuan berpikir kritis matematis siswa. Metode yang digunakan adalah quasi experiment dengan desain post test only control group. Teknik pengambilan sampel pada penelitian ini adalah cluster random sampling. Sampel yang digunakan pada penelitian ini adalah siswa kelas VIII-4, yang merupakan kelas eksperimen, dan VIII-2, yang merupakan kelas kontrol. Kemampuan berpikir kritis matematis diukur dengan instrumen tes yang terdiri dari lima soal uraian pada materi peluang yang telah valid dan reliabel. Hasil pengujian analisis data setelah perlakuan menggunakan uji t dengan taraf signifikansi 5% menunjukkan t hitung ≥ t tabel dengan nilai t hitung=3,556 dan t tabel=1,661. Maka sudah cukup bukti untuk menolak H0, artinya rata-rata kemampuan berpikir kritis matematis siswa pada kelas eksperimen lebih tinggi dibandingkan siswa pada kelas kontrol. Nilai Cohen’s effect size yang diperoleh adalah 0,726 dengan persentase 76% yang termasuk ke dalam kategori sedang. Berdasarkan hasil penelitian, disimpulkan bahwa terdapat pengaruh model Brain Based Learning berbasis soal open ended terhadap kemampuan berpikir kritis matematis siswa SMP Negeri 37 Bekasi. Kata kunci: model Brain Based Learning, soal open ended, kemampuan berpikir kritis matematis ***** This study aims to determine the effect of applying the Brain Based Learning (BBL) model based on open ended questions on students' mathematical critical thinking skills. The method used is quasi experiment with post test only control group design. The sampling technique in this study was cluster random sampling. The samples used in this study were students of class VIII-4, which was the experimental class, and VIII-2, which was the control class. Mathematical critical thinking ability is measured by a test instrument consisting of 5 description questions on the material of the chance that has been valid and reliable. The results of data analysis testing after treatment using t-test with a significance level of α = 0,05 showed t_hitung ≥ t_tabel with a value of t hitung=3,556 and t tabel =1,661. Then H_0 is rejected, meaning that the average mathematical critical thinking ability of students in the experimental class is higher than students in the control class. The Cohen's effect size value obtained is 0,726 with a percentage of 76% which is included in the large category. Based on the results of the study, it is concluded that there is an effect of the Brain Based Learning (BBL) model based on open ended questions on the mathematical critical thinking skills of junior high school students. Keywords: Brain Based Learning model, open ended questions, mathematical critical thinking skills.

Item Type:	Thesis (Sarjana)
Additional Information:	1). Aris Hadiyan Wijaksana, M.Pd. ; 2). Qorry Meidianingsih, M.Si.
Subjects:	Sains > Matematika
Divisions:	FMIPA > S1 Pendidikan Matematika
Depositing User:	Safira Nurul Hasanah .
Date Deposited:	22 Aug 2025 06:26
Last Modified:	22 Aug 2025 06:26
URI:	http://repository.unj.ac.id/id/eprint/61742

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