Ibupoto, Mukhtiar Hussain
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The Influence Of Self-Confidence On Mathematical Problem Solving Ability Of Senior High School in Indonesia Nizami, Ahmad Wafa; Ibupoto, Mukhtiar Hussain
Tematik : Jurnal Konten Pendidikan Matematika Vol. 2 No. 1 (2024): TEMATIK: Jurnal Konten Pendidikan Matematika
Publisher : Prodi Tadris Matematika Fakultas Tadris Umum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55210/tematik.v2i1.1695

Abstract

The objective of this study is to assess the level of self-confidence and mathematical problem-solving abilities among eighth-grade students at SMPN 1 Gending, as well as to determine whether self-confidence affects their mathematical problem-solving abilities. The study employs quantitative research methods and focuses on the entire population of eighth-grade students at SMPN 1 Gending. A total of 69 students were selected as research participants using the simple random sampling technique. Data were collected through questionnaires, essay questions, and documentation. The collected data were analyzed using simple linear regression analysis, with a significance level set at 5%. The findings of the data analysis indicated that the average self-confidence level fell within the medium category, specifically at 52.17%. Likewise, the average mathematical problem-solving abilities of the students were also categorized as medium, with a value of 50.73%. The results of the simple linear regression test revealed a significance value of 0.00, which is less than 0.05. Consequently, it can be concluded that self-confidence significantly influences students' mathematical problem-solving abilities. The study further showed that self-confidence had a 76.2% impact on students' ability to solve mathematical problems, while the remaining 23.8% was influenced by other factors.
The effectiveness of the PBL learning model on students' problem-solving abilities in the subject of jama qasar prayers Rahayu, Ayu Puji; Murharyana, Murharyana; Baari, Rosmalati Muthiatil; Ibupoto, Mukhtiar Hussain
At- Ta'lim : Jurnal Pendidikan Vol. 10 No. 2 (2024): June
Publisher : LP3M Universitas Islam Zainul Hasan Genggong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55210/attalim.v10i2.1700

Abstract

Students' problem-solving abilities still need to be considered higher. Therefore, variations are needed in learning models that can increase critical thinking and independence in learning. This research aims to test the effectiveness of the PBL learning model in improving students' problem-solving abilities in the subject of Jama Qasar prayers. This study uses a quasi-experiment to compare the pretest and posttest scores of two data groups. The N-Gain test was carried out to analyze the increase in the effectiveness of the treatment given, especially in comparing pretest and posttest data between two groups. Apart from that, hypothesis testing uses the Coefficients test from inferential analysis of linear regression tests. Meanwhile, the subjects of this research were class VII students at Yunior High School Darul Falah, West Bandung. This study did not use randomization, and the subjects were selected based on class availability. The research results show that the PBL learning model can significantly improve students' problem-solving abilities.