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Analisis Kemampuan Literasi Matematika dalam Menyelesaikan Soal Matematika PISA pada Peserta Didik SMP Santiwidia, Arwini; Arjudin; Kurniawan, Eka; Prayitno, Sudi
Journal of Classroom Action Research Vol. 7 No. 3 (2025): Agustus 2025
Publisher : Program Studi Magister Pendidikan IPA, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jcar.v7i3.11636

Abstract

Penelitian ini  bertujuan untuk menganalisis kemampuan literasi matematika dalam menyelesaikan soal matematika PISA berdasarkan level kemampuan literasi matematika pada peserta didik SMPN 13 Mataram Tahun Ajaran 2024/2025. Penelitian ini merupakan penelitian kualitatif deskriptif dengan melibatkan 52 peserta didik kelas IX A dan IX B, kemudian dipilih 8 peserta didik sebagai subjek. Instrumen penelitian yang digunakan adalah tes kemampuan literasi matematika yang diadaptasi dari PISA dan pedoman wawancara. Data dianalisis berdasarkan indikator proses literasi matematika (formulate, employ, interpret). Hasil penelitian menunjukkan bahwa dari 6 level kemampuan literasi matematika tidak ada peserta didik yang mencapai level 5 dan 6. Pada level 1 mampu merumuskan informasi eksplisit dan menyelesaikan soal dengan algoritma sederhana, level 2 dapat mengidentifikasi informasi implisit serta memilih strategi dasar untuk memecahkan masalah, level 3 mampu mengolah informasi eksplisit kompleks yang mengandung pengecoh dan menyusun strategi berurutan untuk pengambilan keputusan, sedangkan Level 4 bisa merumuskan informasi eksplisit dalam konteks kehidupan sehari-hari serta menerapkan strategi untuk situasi konkret yang kompleks. Peserta didik level 1-4 juga memiliki kemampuan menafsirkan dan menyimpulkan hasil sesuai konteks permasalahan.
Pengaruh Growth Mindset terhadap Hasil Belajar Materi Teorema Pythagoras melalui Mediasi Self-Efficacy Sabriyani, Syifa; Prayitno, Sudi; Kurniawan, Eka
Mandalika Mathematics and Educations Journal Vol 7 No 3 (2025): Edisi September
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i3.9738

Abstract

This study aims to examine the effect of growth mindset on self-efficacy, as well as its influence on students’ learning outcomes in the Pythagoras' Theorem topic, both directly and indirectly through the mediation of self-efficacy, among eighth-grade students at SMPN 15 Mataram in the 2024/2025 academic year. This research employed a quantitative approach with an ex-post facto design. The population consisted of 371 students, and a sample of 54 students from classes VIII-B and VIII-G was selected using cluster random sampling. Data were collected through questionnaires and tests, and analyzed using SPSS software along with the Macro PROCESS Model 4 to test the mediation model. The results showed that 1) growth mindset had a positive and significant effect on students’ self-efficacy (a=0,740, p<0,001); 2) there was no significant direct effect of growth mindset on learning outcomes (c'=0,349, p=0,249); 3) there was a positive and significant indirect effect of growth mindset on learning outcomes through the mediation of self-efficacy (ab=0,930, CI [0,478 to 1,438]), indicating full mediation. Thus, self-efficacy is proven to act as a full mediator in the relationship between growth mindset and students’ learning outcomes.
The Effectiveness Of Using TPACK-Integrated Learning Media On The Learning Outcomes Of Exponentiation Among Eighth-Grade Students Rizkiana, Nila; Sridana, Nyoman; Kurniawan, Eka
Sigma&Mu: Journal of Mathematics, Statistics and Data Science Vol. 3 No. 2 (2025): September
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/sigmamu.v3i2.347

Abstract

The background of this study is the low student learning outcomes, the ineffective learning process, and the lack of teacher interaction. This research aims to examine the effectiveness of using TPACK-integrated learning media on the learning outcomes of exponent numbers among eighth-grade students at SMP Negeri 1 Kediri. The research approach used is quantitative, with a research design of Pretest-Posttest Only Control Group Design. The population in this study includes all eighth-grade students at SMPN 1 Kediri, and the sampling technique used is purposive sampling. The selected sample consists of class VIIIC as the control group and class VIIIE as the experimental group. The research instruments include test questions, observations, and student response questionnaires. The data analysis techniques used in this study are descriptive and inferential statistical analysis. The learning media used include instructional videos, Liveworksheets-based LKPD, and Kahoot. The results of the study indicate that the use of TPACK-integrated learning media is effective in improving the learning outcomes of exponent numbers among eighth-grade students at SMP Negeri 1 Kediri in the 2024/2025 academic year. This effectiveness is demonstrated by: (1) An increase in the average learning outcomes of the experimental class by 0.7342, which falls into the high category. (2) A significant difference in the average mathematics learning outcomes between the control and experimental classes, as indicated by the independent sample t-test, where t_calculated > t_table (6.104 > 2.005).
Pengaruh Model Discovery Learning Terhadap Kemampuan Berpikir Kritis Matematis Siswa Kelas VIII MTs NW Pringgabaya Tahun Ajaran 2024/2025 Siti Khaerunnisa; Azmi, Syahrul; Kurniawan, Eka
Griya Journal of Mathematics Education and Application Vol. 5 No. 3 (2025): September 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i3.805

Abstract

This study aimed to determine the impact of implementing the discovery learning model on the critical thinking skills in class VIII at MTs NW Pringgabaya during the 2024/2025 school year. This research is a type of quasi-experiment. The study population consisted of VIII grade students at MTs NW Pringgabaya, divided into three classes. Cluster random sampling was used to select the sample, after conducting a homogeneity test on each population class. The experimental class, which applied the discovery learning model, was class VIII A, and the control class, which applied the direct learning model, was class VIII B. Data were collected using a critical thinking test and analyzed using an independent samples t-test. The results of the analysis showed that the , and the results of the calculation of effect size using Cohen's formula amounted to 0.51, therefore, it can be concluded that the application of the discovery learning model has an effect on the critical thinking skills of Class VIII students at MTs NW Pringgabaya.