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This Author published in this journals
All Journal International Journal of Educational Research and Social Sciences (IJERSC) International Journal of Multidisciplinary Sciences and Arts
Weni Widya Asriati
STKIP Pangeran Antasari, Indonesia
Computer Science & IT Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Enhancing Mathematical Critical Thinking through Problem-Based Learning: A Case Study at SMP Pangeran Antasari Rizky Anta; Weni Widya Asriati; Nur Tri Julia
International Journal of Multidisciplinary Sciences and Arts Vol. 4 No. 3 (2025): International Journal of Multidisciplinary Sciences and Arts, Article July 2025
Publisher : Information Technology and Science (ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/ijmdsa.v4i3.6904

Abstract

This study aims to analyze the effect of Problem-Based Learning (PBL) on students’ mathematical critical thinking skills in solving Systems of Linear Equations in Two Variables (SPLDV). A qualitative descriptive approach was employed with 30 grade VIII students at SMP Pangeran Antasari as research subjects. Data were collected through tests, observations, interviews, and documentation, with instrument reliability confirmed using Cronbach’s Alpha (0.627). The findings show that 80% of students successfully identified problems, 75% provided logical reasoning, 70% connected mathematical concepts with real-life contexts, 85% applied appropriate solution strategies, and 78% drew valid conclusions. Nevertheless, around 20% of students demonstrated only moderate performance, and 10% showed significant difficulties in reasoning and inference. These results confirm that PBL enhances student engagement, collaborative learning, and higher-order thinking, while also highlighting the need for scaffolding to strengthen reasoning and inferencing skills. This research contributes empirical evidence supporting the application of PBL in mathematics classrooms and reinforces its alignment with constructivist learning theories and 21st-century skill development.
The Influence of Problem-Based Learning on Skills Making Basic Women's Clothing Patterns Nahdah Ameisyah Pohan; Weni Widya Asriati
International Journal of Educational Research & Social Sciences Vol. 7 No. 5 (2026): October 2026
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijersc.v7i5.1089

Abstract

This study examined changes in women’s basic pattern-making skills after problem-based learning among 19 Grade XI Fashion students at SMK Pangeran Antasari. A quantitative pre-experimental approach employed a one-group pretest–posttest design with total sampling. Performance tasks assessed bodice and sleeve patterns at a 1:4 scale. Data were analyzed using descriptive statistics, the Shapiro–Wilk test, the Wilcoxon signed-rank test, and normalized gain. Mean scores increased from 76.79 to 86.71. The differences were not normally distributed (p = .001), and the Wilcoxon test indicated a significant difference (Z = −3.830; p < .001). All students improved. Mean normalized gain was 0.40577, indicating moderate improvement; 15 students showed moderate and four low gains. Problem-based learning was followed by improved skills in this group, although the absence of a control group prevents isolation of its causal effect.
Co-Authors Nahdah Ameisyah Pohan Nur Tri Julia Rizky Anta