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All Journal Jurnal Pembelajaran Prospektif Universitas Muhammadiyah Yogyakarta Undergraduate Conference Proceeding Jurnal Sosial dan Sains
Mulyani, Sari
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Critical Thinking Ability of Junior High School Students Who Have Self-Confidence Mulyani, Sari; Hidayati, Herlina; Muttaqien, Anwar
Proceedings of Universitas Muhammadiyah Yogyakarta Graduate Conference Vol. 2 No. 1 (2022): Strengthening Youth Potentials for Sustainable Innovation
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/umygrace.v2i1.515

Abstract

Students often have difficulty in solving problems, this is due to lack of confidence and students' critical thinking skills are still low. Critical thinking skills are needed to make decisions in solving problems on problems. In order for students to make decisions, students must have confidence in practicing critical thinking skills. This study aims to describe students' critical thinking skills in solving story problems in junior high school students who have confidence. This research method is descriptive research with a qualitative approach, in the form of the results of the work of non-test students, written tests and in-depth interviews. This study included 2 subjects who had the ability to think critically with confidence. The results of this study show that students can meet all criteria such as (1) students are able to understand problems, write down problem information from known, namely Tini bought 2 pens and bought 1 writing book, while Aisyah bought more pens than Tini equivalent to the price of books, then what was asked was the price of 2 pens and 3 writing books, respectively, (2) students are able to analyze and create mathematical models, able to consider assumptions and determine the results of completion, namely solving mathematical models on the material of a system of two-variable linear equations (SPLDV). And (3) students are able to draw conclusions from the problem, namely being able to conclude from the results of the final solution correctly. So that students are able to understand, model and solve problems appropriately.
Critical Thinking Ability of Junior High School Students Who Have Self-Confidence Mulyani, Sari; Hidayati, Herlina; Muttaqien, Anwar
Proceedings of Universitas Muhammadiyah Yogyakarta Graduate Conference Vol. 2 No. 1 (2022): Strengthening Youth Potentials for Sustainable Innovation
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/umygrace.v2i1.522

Abstract

Students often have difficulty in solving problems, this is due to lack of confidence and students' critical thinking skills are still low. Critical thinking skills are needed to make decisions in solving problems on problems. In order for students to make decisions, students must have confidence in practicing critical thinking skills. This study aims to describe students' critical thinking skills in solving story problems in junior high school students who have confidence. This research method is descriptive research with a qualitative approach, in the form of the results of the work of non-test students, written tests and in-depth interviews. This study included 2 subjects who had the ability to think critically with confidence. The results of this study show that students can meet all criteria such as (1) students are able to understand problems, write down problem information from known, namely Tini bought 2 pens and bought 1 writing book, while Aisyah bought more pens than Tini equivalent to the price of books, then what was asked was the price of 2 pens and 3 writing books, respectively, (2) students are able to analyze and create mathematical models, able to consider assumptions and determine the results of completion, namely solving mathematical models on the material of a system of two-variable linear equations (SPLDV). And (3) students are able to draw conclusions from the problem, namely being able to conclude from the results of the final solution correctly. So that students are able to understand, model and solve problems appropriately.
Analisis Mekanisme Penetapan Harga Dalam Perspektif Ekonomi Syariah Di Pasar Tradisional Indonesia: Studi Literatur Sistematik Prasetia, Hary Yuda; Wiharto, Nardi; Mulyani, Sari
Jurnal sosial dan sains Vol. 5 No. 8 (2025): Jurnal Sosial dan Sains
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/jurnalsosains.v5i8.32445

Abstract

This research analyzes the pricing mechanisms in traditional Indonesian markets from the perspective of Islamic economics, emphasizing the principles of justice (ʿadl), public interest (maṣlaḥah), and the prohibition of exploitative practices such as iḥtikār (hoarding) and ghabn fāḥiḥ (excessive markup). The systematic literature study methods was used to synthesize findings from 20 journal articles and policy documents. The results show that 68% of traders apply the cost-plus pricing method with a fair margin of 10–20%, which aligns with the concept of ribh al-maʿrūf. However, 22% of cases indicate hoarding practices and excessive markups, especially on seasonal commodities. Transparent bargaining practices also contribute to the formation of fair prices. This research proposes a selective tasʿīr model as a regulatory intervention and recommends tasʿīr-based training as well as increased supply chain transparency. These findings contribute both theoretically and practically to the development of a contextual and fair Sharia pricing system in Indonesia's traditional markets.
PENGARUH MODEL PEMBELAJARAN SNOWBALL THROWING TERHADAP KEMAMPUANBERPIKIR KREATIF MATERI BANGUN DATAR SEGIEMPAT SISIWA SMP mulyani, sari
Jurnal Pembelajaran Prospektif Vol. 11 No. 1 (2026): Jurnal Pembelajaran Prospektif
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jpp.v11i1.110830

Abstract

Penelitian ini bertujuan untuk mengkaji pengaruh model pembelajaran kooperatif tipe snowball throwing terhadap kemampuan berpikir kreatif siswa kelas VII di SMP Negeri 13 Pontianak, dengan fokus pada materi bangun segiempat. Penelitian ini dilakukan untuk mengatasi keterbatasan kemampuan berpikir kreatif yang sering muncul pada siswa yang mengikuti pembelajaran konvensional dan monoton. Pendekatan yang digunakan adalah kuantitatif dengan desain kuasi eksperimen tipe non-equivalent control group. Sampel penelitian terdiri dari dua kelas, yaitu kelas eksperimen yang menggunakan model snowball throwing dan kelas kontrol yang menggunakan metode konvensional, masing-masing berjumlah 30 siswa. Data dikumpulkan melalui pretest dan posttest yang mengukur kemampuan berpikir kreatif, kemudian dianalisis menggunakan uji t dan ukuran efek Cohen’s d. Hasil analisis menunjukkan adanya peningkatan yang signifikan pada kelas eksperimen dibandingkan kelas kontrol, dengan nilai signifikansi sebesar 0,000 (p < 0,05) dan nilai ukuran efek sebesar 1,302 yang tergolong sangat besar. Temuan ini menunjukkan bahwa model pembelajaran kooperatif tipe snowball throwing efektif dalam meningkatkan kemampuan berpikir kreatif siswa melalui pelatihan indikator kelancaran (fluency), keluwesan (flexibility), keaslian (originality), dan elaborasi (elaboration) melalui aktivitas pembelajaran yang interaktif dan kolaboratif.
Co-Authors Anwar Muttaqien, Anwar Herlina Hidayati HERLINA HIDAYATI, HERLINA Prasetia, Hary Yuda Wiharto, Nardi