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All Journal Jurnal Elemen Jurnal Geuthee Prismatika: Jurnal Pendidikan dan Riset Matematika
Dwi Fadhiliani
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Education Energy Engineering Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Classification of Nek Ali Coffee’s customers using the fishers method Khairul Umam; Suhartati Suhartati; M Hasbi; Dwi Fadhiliani; Annisa Dewi
Jurnal Geuthèë: Penelitian Multidisiplin Vol 6, No 3 (2023): Jurnal Geuthèë: Penelitian Multidisiplin
Publisher : Geuthèë Institute, Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52626/jg.v6i3.264

Abstract

 This study uses discriminant analysis which aims to determine a model or formula that determines consumer groups who are interested in powdered, coffee bean, or instant coffee variants from several influencing variables, including coffee caffeine content, sugar content contained in coffee, coffee roasting level, quality coffee, coffee price, consumer age, consumer health, time of day consumer activity, and durability. The subjects of this research were the consumers of Nek Ali's Coffee with a total of 82 samples. The data obtained in this study were analyzed using discriminant analysis of three groups, namely the consumer group who are interested in coffee powder, coffee beans, and instant coffee. This study uses Discriminant Fisher's through SPSS software, the discriminant model or formula is obtained, as follows:Y1 = (0.08)X1 + (0.948)X2 + (0.332)X3 + (0.633)X4 + (0.576)X5 – (0.003)X6 + (1.825)X7 – (1.140)X8 = 0Y2 = (0.012)X1 + (0.868)X2 + (0.351)X3 + (0.591)X4 + (0.621)X5 – (0.002)X6 + (1.841)X7 – (0.592)X8 = 0Y3 = (0.081)X1 + (0.944)X2 + (0.349)X3 + (0.607)X4 + (0.581)X5 – (0.002)X6 + (1.971)X7 – (0.592)X8 = 0 
Unpacking research on computational thinking in mathematics education: A systematic literature review Cut Morina Zubainur; Cut Rina Rossalina; Muhammad Subianto; Dwi Fadhiliani
Jurnal Elemen Vol 11 No 2 (2025): April
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jel.v11i2.29183

Abstract

Computational Thinking (CT) is an essential 21st-century skill to prepare students for higher education and future careers. However, comprehensive insights into how CT is effectively implemented in mathematics learning regarding strategies, suitable topics, and integration trends are still limited. This systematic review explores empirical studies on CT in mathematics education from December 2019 to November 2024, sourced from Emerald, EBSCO, and ProQuest databases. Following PRISMA guidelines, 22 articles were selected from an initial 8,518 based on defined inclusion and exclusion criteria. The findings show that CT strongly supports students’ problem-solving skills, particularly through Project-Based Learning (PjBL), which fosters engagement, collaboration, and algorithmic thinking. Geometry and statistics emerged as the most effective topics for developing CT, as they promote decomposition, pattern recognition, and abstraction skills aligned with junior high school cognitive development. Although CT-related research varies in focus, integrating CT into mathematics remains vital, especially with the rise of digital tools and interdisciplinary learning. This review provides insight into current research trends, key strategies, and appropriate mathematical content for CT development. Recommendations include providing CT training for teachers, embedding CT into the curriculum, and encouraging interdisciplinary collaboration to equip students with the digital-age competencies needed for real-world problem-solving and conceptual understanding.
PENGARUH PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) TERHADAP KEMAMPUAN LITERASI NUMERASI SISWA Saphyra, Aura; Usman; Dwi Fadhiliani
Prismatika: Jurnal Pendidikan dan Riset Matematika Vol. 8 No. 2 (2026): Prismatika: Jurnal Pendidikan dan Riset Matematika
Publisher : Universitas Insan Budi Utomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/prismatika.v8i2.2333

Abstract

Numerical literacy is a crucial aspect of mathematics education in high school. However, a common issue is the low numerical literacy skills among students. One model that can be applied to improve students' numeracy literacy skills is the Problem Based Learning model (PBL). This study aims to investigate the influence of the PBL model on the numerical literacy skills of high school students, specifically in the topic of sequences and series. The research used a quantitative approach with a quasi-experimental design and a nonequivalent group design. The population for this study was all students in grade XI Social Sciences at SMA Negeri 1 Teunom. The research sample was selected using a total sampling technique, with one class designated as the experimental group and another as the control group. Data were collected using a numerical literacy test instrument in the form of essay questions on sequences and series. The data analysis was performed using the Mann-Whitney U test. The results show that students who learned using the PBL model had better numerical literacy skills compared to those who learned using a conventional teaching model. Therefore, the Problem Based Learning (PBL) model is recommended for teachers to improve students' numerical literacy skills.
Co-Authors Annisa Dewi Cut Morina Zubainur Cut Rina Rossalina khairul Umam M Hasbi Muhammad Subianto Saphyra, Aura Suhartati Suhartati Usman