PENGARUH MODEL PEMBELAJARAN CORE (CONNECTING, ORGANIZING, REFLECTING, EXTENDING) DENGAN TEKNIK MIND MAPPING TERHADAP KEMAMPUAN KONEKSI MATEMATIS SISWA

YUNITA HIRMANIA, . (2025) PENGARUH MODEL PEMBELAJARAN CORE (CONNECTING, ORGANIZING, REFLECTING, EXTENDING) DENGAN TEKNIK MIND MAPPING TERHADAP KEMAMPUAN KONEKSI MATEMATIS SISWA. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Penelitian ini dilakukan dengan tujuan untuk mengetahui pengaruh model pembelajaran CORE (Connecting, Organizing, Reflecting, Extending) terhadap kemampuan koneksi matematis siswa. Metode penelitian ini menggunakan quasi experiment dengan desain penelitian adalah post-test only control group design. Sampel pada penelitian ini terdiri dari dua kelas VIII di SMP Negeri 166 Jakarta yang terpilih melalui teknik cluster random sampling. Kelas terpilih adalah VIII D dan VIII B. Instrumen yang digunakan untuk mengukur kemampuan koneksi matematis adalah 6 soal uraian pada materi Statistika yang telah diuji validitas dan reliabilitas. Berdasarkan nilai tes yang diberikan, rata-rata yang diperoleh kelas eksperimen sebesar 80,11 dengan simpangan baku 11,607 dan rata-rata kelas kontrol sebesar 70,4 dengan simpangan baku 13,016. Uji hipotesis dilakukan menggunakan uji t dengan hasil t_hitung = 3,3201 lebih besar dari t_tabel = 1,6672 sehingga H_0 ditolak. Adanya perbedaan signifikan yang ditunjukkan mengindasikan kesimpulan bahwa model CORE dengan teknik mind mapping berpengaruh terhadap kemampuan koneksi matematis siswa. Besarnya pengaruh diukur dengan uji Cohen’s Effect Size dan memperoleh nilai Cohen’s d = 0,788 yang termasuk kategori sedang dengan persentase pengaruh 76%. Kata Kunci: model CORE, mind mapping, kemampuan koneksi matematis ***** This study was conducted with the aim to determine the effect of the CORE (Connecting, Organizing, Reflecting, Extending) learning model on students' mathematical connection skills. This research method uses a quasi-experiment with the research design being a post-test only control group design. The sample in this study consisted of two VIII classes at SMP Negeri 166 Jakarta, which were selected through Cluster Random Sampling technique. The selected classes are VIII D and VIII B. The instruments used to measure mathematical connection skills are 6 description questions on statistics material that have been tested for validity and reliability. Based on the test scores given, the average obtained by the experimental class was 80.11 with a standard deviation of 11.607 and the control class average was 70.4 with a standard deviation of 13.016. Hypothesis testing was carried out using the t-test with the results of t_hitung = 3.3201 greater than t_table = 1.6672 so that H_0 was rejected. The significant difference found supports the conclusion that the CORE model with the mind mapping technique has an effect on students’ mathematical connection skills. The magnitude of the effect was measured by the Cohen Effect Size test and obtained a value of Cohen's d = 0.788, which is included in the medium category with a percentage effect of 76%. Keywords: CORE learning model, mind mapping, mathematical connection skills

Item Type:	Thesis (Sarjana)
Additional Information:	1). Aris Hadiyan Wijaksana, M.Pd. 2). Leny Dhianti Haeruman, M.Pd.
Subjects:	Pendidikan > Teori, Penelitian Pendidikan Sains > Matematika
Divisions:	FMIPA > S1 Pendidikan Matematika
Depositing User:	Yunita Hirmania .
Date Deposited:	25 Aug 2025 03:55
Last Modified:	25 Aug 2025 03:55
URI:	http://repository.unj.ac.id/id/eprint/62024

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