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All Journal JIPMukjt:Jurnal Ilmu Pendidikan Muhammadiyah Kramat Djati Journal of Educational and Cultural Studies
Rahmwati, Shela
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Religion Humanities Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Pengaruh Kepercayaan Diri Terhadap Prestasi Belajar Matematika Siswa Aini, Hanifatul; Mubarokah, Nur Lailatul; Yunita, Maria Magdalena Milla; Rahmwati, Shela; Marhaeni, Nafida Hetty
Educationist: Journal of Educational and Cultural Studies Vol. 2 No. 1 (2023): Journal of Educational and Cultural Studies
Publisher : PT Literasi Nusantara Publisher

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Abstract

The research aimed to determine the significant positive effect of self-confidence on mathematics learning achievements. This research was conducted in the junior high school of Rifa’iyyah 01 Sapuran in Wonosobo, Central Java. The population of this research was VIII grade, where the entire population was sampled in this research with total sampling techniques. The instrument used was a questionnaire of self-confidence as many as 25 questions item and the mathematic midterm exam scores of students that have met valid and reliable criteria. The data analysis used involves testing the prerequisites of analysis and conducting simple linear regression analysis. The research results indicate that (1) the Sig. value of 0.000 < 0.05, therefore H0 is rejected, meaning that there is a significant influence of self-confidence on student’s mathematics learning achievements; (2) the coefficient of determination (R Square) is 0.399, which means that self-confidence accounts for 39.9% of the variation in student’s learning achievement, while 60.1% is influenced by other variables not examined; and (3) the standardized coefficient beta value is 0.632, indicating that self-confidence has a strong and positive relationship with student’s mathematics learning achievement. This means that the higher the level of students’ self-confidence, the better their mathematics learning achievement. Additionally, it is known that the regression equation model is Y = 31.047 + 0.462X. This model indicates that students’ mathematics learning achievement consistently remains at 31.047 in the absence of self-confidence. However, for every 1% increase in self-confidence, students’ mathematics learning achievement increases by 0.462.
EFEKTIVITAS PENGGUNAAN LATIHAN SOAL BERBASIS AKM UNTUK MENINGKATKAN LITERASI NUMERASI Rahmwati, Shela; Khuzaini, Nanang
Jurnal Ilmu Pendidikan Muhammadiyah Kramat Jati Vol 5 No 1 (2024): Jurnal Ilmu Pendidikan Muhammadiyah Kramat Jati
Publisher : Pimpinan Cabang Muhammadiyah Kramat Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55943/jipmukjt.v5i1.211

Abstract

Tujuan dari penelitian ini adalah untuk mengetahui efektivitas penggunaan latihan soal berbasis AKM dalam meningkatkan kemampuan literasi numerasi peserta didik. Jenis penelitian yang dilakukan adalah penelitian eksperimen dengan menggunakan desain penelitian pretest posttest control group desaign. Populasi yang digunakan ndalam penelitian ini adalah peserta didik kelas X SMA Negeri 1 Sedayu. Sampel yang digunakan dalam penelitian ini adalah peserta didik kelas X7 dan X8. Pemilihan sampel dengan menggunakan teknik purposive sampling. Teknik pengumpulan data yang digunakan observasi, wawancara, dan penyebaran soal pretest dan posttest kemampuan literasi numerasi peserta didik pada materi Statistika. Hipotestis penelitian ini adalah penggunaan latihan soal berbasis AKM dapat meningkatkan kemampuan literasi numerasi daripada pembelajaran langsung tanpa menggunakan latihan soal berbasis AKM. Kesimpulan ini didapatkan berdasarkan uji statistik yaitu uji Wilcoxon Signed Rank Test dimana hasil uji dari kelas eksperimen dan kelas kontrol memiliki sig. 2 tailed < 0,05, uji perbedaan rata-rata yang menunjukkan peningkatkan di kelas eksperimen dan kelas kontrol yaitu 37,52 dan di kelas kontrol sebesar 24,48. Hal ini menunjukkan bahwa pembelajaran dengan latihan soal berbasis AKM lebih efektif dalam meningkatkan literasi numerasi siswa dibandingkan pembelajaran tanpa latihan soal berbasis AKM.
Co-Authors Aini, Hanifatul Mubarokah, Nur Lailatul Nafida Hetty Marhaeni Nanang Khuzaini, Nanang Yunita, Maria Magdalena Milla