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All Journal JMPM: Jurnal Matematika dan Pendidikan Matematika Journal of Authentic Research on Mathematics Eduacation (JARME) Jurnal Berdaya Mandiri Indo-MathEdu Intellectuals Journal Riemann : Research of Mathematics and Mathematics Education
Sunanti, Titis
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Journal : Indo-MathEdu Intellectuals Journal

 1 
Pengaruh Pendekatan Open Ended Terhadap Kemampuan Berpikir Kritis Matematika Siswa Nurlita, Tasya; Kintoko, Kintoko; Aviory, Koryna; Susetyowati, MM Endang; Sunanti, Titis
Indo-MathEdu Intellectuals Journal Vol. 6 No. 1 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i1.2494

Abstract

The purpose of this study is to describe students' critical thinking skills using the open ended approach and using the Scientific approach and to determine the effect of the open ended learning model on students' critical thinking skills. The research method used is a quasi-experimental design with a nonequivalent control group design with a population taken from class VIII A and B of SMP Masyithoh Kroya, Cilacap Regency. This research was conducted in September 2024. This study uses a quantitative research method. Data collection uses test, observation and documentation techniques. Validity uses professional judgment techniques. The data analysis technique uses the Mann-Whitney test after the analysis prerequisite test includes the normality test of distribution and the homogeneity test of variance. Based on the analysis carried out by the researcher, it can be concluded that the critical thinking skills of students in the experimental class after applying the open ended approach model got an average score of 36.62, and the control class using the Scientific approach got an average score of 28.39. The use of the open-ended approach model has a significant effect on students' critical thinking skills, this is proven by the results of the Mann-Whitney test which shows a high Asymp value. Sig.(2-tailed) = 0.000, which is less than the significance level of 0.05, from these results it is concluded that the Pythagorean open-ended approach has a significant effect on students' critical thinking skills in mathematics.
Self Efficacy Terhadap Kemampuan Pemecahan Masalah Matematika pada Siswa Rois, Muhammad; Sunanti, Titis; Aviory, Koryna; Arista, Dhian
Indo-MathEdu Intellectuals Journal Vol. 6 No. 1 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i1.2563

Abstract

Kemampuan pemecahan masalah matematika berperan penting dalam penyelesaian masalah sehari-hari. Kepercayaan ini atau self efficacy menjadi faktor penting dalam penyelesaikan masalah. Penelitian ini bertujuan untuk mengetahui pengaruh self efficacy terhadap kemampuan pemecahan masalah matematika siswa. Penelitian ini menggunakan metode penelitian kuantitatif. Populasi dalam penelitian ini adalah siswa kelas VIII SMP Muhammadiyah Sewon. Sampel penelitian ini adalah siswa kelas VIII C dengan jumlah sampel sebanyak 22 siswa. Penelitian ini merupakan peneliitian korelasional dengan instrumen tes dan non-tes. Instrument tes digunakan untuk mengukur kemampuan pemecahan masalah matematika siswa. Instrument non-tes berupa angket digunakan untuk mengukur self efficacy siswa. Berdasarkan hasil analisis regresi dengan menggunakan SPSS diketahui persamaan regresi Y= 6,034 + 0,677X, persamaan ini linear dan signifikan. Pada table coefisien regresi peroleh sebesar 0,027 dimana itu maka ditolak dan diterima, artinya terdapat pengaruh yang signifikan antara self efficacy terhadap kemampuan pemecahan masalah matematika pada siswa kelas VIII SMP Muhammadiyah Sewon.
Co-Authors Abdul Aziz Saefudin Amami, Chintia Shalaza Arista, Dhian aviory, koryna Gunawan Gunawan Jana, Padrul Kintoko Kintoko, Kintoko Nurlita, Tasya Nuryani, Christina Eva Rois, Muhammad Siska Candra Ningsih Susetyowati, MM Endang YULIANA, SARI