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Journal : Journal on Education

Pengaruh Model Pembelajaran Novick terhadap Kemampuan Berpikir Kritis Matematis Siswa SMA Harapan Mekar Medan Surya Wisada Dachi; Sri Rezeki
Journal on Education Vol 5 No 2 (2023): Journal on Education: Volume 5 Nomor 2 Tahun 2023
Publisher : Departement of Mathematics Education

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Abstract

This study aims to determine whether there is an effect of the Novick learning model on the mathematical critical thinking skills of Harapan Mekar Medan High School students in the 2022/2023 academic year. The research was conducted at Harapan Mekar Medan High School, class X IPA, with 29 students as an experimental class. This study uses a type of quantitative research with a research design that is one-group pretest-posttest design. From the results of the study, the average pretest score was 45.52 and the posttest average score was 76.21. The data analysis technique used in this study is the normality test using the Kolmogorov Smirnov test. The data being tested will be processed using the SPSS program. The gain index value of 0.6813 is interpreted into the criteria for a value of g≥0.7. The results indicate that the gain index is in the medium category. The conclusion of this study explains that there is an influence from the Novick learning model on students' mathematical critical thinking skills where there is an increase in the average value of learning outcomes after being taught using the Novick learning model.
Penerapan Model Pembelajaran PBL untuk Meningkatkan Kemampuan Komunikasi Matematis Siswa Kelas X MP 1 di SMK Negeri 6 Medan Rizki Aprina Nuranti; Surya Wisada Dachi; Elfira Handayani
Journal on Education Vol 7 No 1 (2024): Journal on Education: Volume 7 Nomor 1 Tahun 2024
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joe.v7i1.7160

Abstract

The purpose of this study was to determine the increase in students' mathematical communication abilities through the application of problem based learning (PBL) on statistics matter. The subjects in this study were class X MP 1 at SMK Negeri 6 Medan, which consisted of 32 students. Data was collected through observation and test methods. The type of research used was classroom action research (CAR), which consisted of 2 cycles where each cycle was conducted in 2 meetings. Before being given an action, students are given an initial test and at the end of the cycle students are given a test to measure their mathematical communication ability after being given an action. Classically, it was found that 5 students (15,625%) succeeded in solving problems in the initial test, 16 students (57,83%) succeeded in solving problems in test I and 30 students (93,75%) succeeded in solving problems in test II. The research results show that the application of the problem based learning can improve students' mathematical communication abilities