PENGARUH CONTEXTUAL TEACHING AND LEARNING (CTL) TERHADAP HASIL BELAJAR PESERTA DIDIK PADA MATERI LARUTAN PENYANGGA

AMELIA KURNIASIH, . (2025) PENGARUH CONTEXTUAL TEACHING AND LEARNING (CTL) TERHADAP HASIL BELAJAR PESERTA DIDIK PADA MATERI LARUTAN PENYANGGA. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Kimia merupakan bagian dari Ilmu Pengetahuan Alam yang sangat penting untuk dipelajari. Namun, peserta didik masih sering mengalami kesulitan dalam mempelajari materi kimia. Materi larutan penyangga sering dianggap sulit dipahami oleh sebagian besar peserta didik karena tidak dapat diamati secara langsung dengan indera. Sehingga, penelitian ini bertujuan untuk mengetahui pengaruh Contextual Teaching and Learning (CTL) terhadap rata-rata nilai hasil belajar peserta didik pada materi larutan penyangga. Jenis penelitian ini yaitu kuantitatif dengan quasi-experiment dalam bentuk nonequivalent (pretest and posttest) control-group design. Sampel penelitian terdiri dari dua kelas, yaitu kelas eksperimen yang menggunakan pembelajaran kontekstual dan kelas kontrol yang menggunakan pembelajaran yang sering digunakan di sekolah. Instrumen yang digunakan berupa tes objektif untuk mengukur hasil belajar peserta didik. Data hasil pretest dan posttest dianalisis menggunakan uji Paired t-test, uji Independent t-test, dan uji Cohen’s d. Hasil uji Paired t-test menunjukkan bahwa nilai p < 0,05 yang berarti ada perbedaan yang signifikan antara rata-rata nilai pretest dan posttest baik pada kelas kontrol maupun kelas eksperimen. Hasil uji Independent t-test pada hasil pretest menunjukkan bahwa nilai p > 0,05, yang berarti tidak terdapat perbedaan signifikan dalam hasil belajar antara kedua kelas sebelum perlakuan. Sedangkan hasil uji Independent t-test pada hasil posttest menunjukkan dengan nilai p < 0,05, yang berarti terdapat perbedaan signifikan dalam hasil belajar antara kedua kelas setelah perlakuan. Hasil uji Cohen’s d pada nilai pretest menunjukkan nilai d = 0,478, yang termasuk dalam kategori pengaruh kecil. Setelah perlakuan, hasil uji Cohen’s d pada nilai posttest menunjukkan nilai d = 0,698, yang termasuk dalam kategori pengaruh sedang. Hal ini menunjukkan bahwa pembelajaran kontekstual berpengaruh dalam meningkatkan hasil belajar kimia, khususnya pada materi larutan penyangga.***** Chemistry is a part of Natural Science that is very important to learn. However, students still often experience difficulties in learning chemistry material. Buffer solution material is often considered difficult to understand by most students because it cannot be observed directly with the senses. Therefore, this study aims to determine the effect of Contextual Teaching and Learning (CTL) on the average value of student learning outcomes in the material of buffer solutions. This type of research is quantitative with a quasi-experiment in the form of nonequivalent (pretest and posttest) control-group design. The research sample consisted of two classes, namely the experimental class that uses a contextual learning and the control class that uses a conventional learning. The instrument used was an objective test to measure student learning outcomes. The pretest and posttest data were analyzed using the Paired t-test, Independent t-test, and Cohen's d test. The results of the Paired t-test showed that the p-value <0.05, meaning there was a significant difference between the average pretest and posttest scores in both the control and experimental classes. The results of the Independent t-test on the pretest results showed that the p value > 0.05, which means there is no significant difference in learning outcomes between the two classes before treatment. While the results of the Independent t-test on the posttest results showed a p value < 0.05, which means there is a significant difference in learning outcomes between the two classes after treatment. The results of the Cohen's d test on the pretest value showed a value of d = 0.478, which is included in the small effect category. After treatment, the results of the Cohen's d test on the posttest value showed a value of d = 0.698, which is included in the medium effect category. This shows that the contextual learning has an effect on improving chemistry learning outcomes, especially on the material of buffer solutions.

Item Type: Thesis (Sarjana)
Additional Information: 1). Dr. Darsef Darwis, M.Si. 2). Hayyun Lisdiana, M.Pd.
Subjects: Sains > Kimia
Divisions: FMIPA > S1 Pendidikan Kimia
Depositing User: Amelia Kurniasih .
Date Deposited: 14 Aug 2025 03:51
Last Modified: 14 Aug 2025 03:51
URI: http://repository.unj.ac.id/id/eprint/60841

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