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Analisis Kemampuan Mahasiswa pada Tugas Proyek Pemodelan Persamaan Diferensial Parsial Arjudin, Arjudin; Sripatmi, Sripatmi; Sarjana, Ketut; Kurniati, Nani
Media Pendidikan Matematika Vol. 13 No. 2 (2025): J-MPM
Publisher : Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/mpm.v13i2.18585

Abstract

The purpose of this study is to describe the characteristics of students' abilities in completing Partial Differential Equation (PDP) modeling project. This is motivated by the problem of students' difficulties in solving PDP applied problems, where the questions refer to modeling project assignments. This study is considered important because previous studies have examined more individual abilities, while projects have a broader scope, including the ability to solve problems by interaction. PDP Modeling Project are divided into four stages, namely: (1) Problem Context, (2) PDP Modeling, (3) PDP Model Completion, and (4) Example and solutions. This type of research is descriptive qualitative, conducted on students of the Mathematics Education, FKIP, University of Mataram. The instruments are project assignments and presentation assessment sheets. The results showed that the results of the project assignments were grouped into 3 categories, namely Unstructured (TT) which gave rise to inappropriate mathematical models because they were still in the form of ordinary differential equations instead of partial differential equations, the most dominant being 40% Incompletely Structured (T-TL) which gave rise to partial differential equation models but were inappropriate in applying them to case examples, and Completely Structured (T-L) which were able to carry out the project stages which included the problem context, PDP modeling, model completion, and solving the case correctly. The results of the PDP modeling project categorization can be mapped to the level of understanding that describes the characteristics of students who make scientific contributions leading to differentiated learning strategies and TaRL.
Hubungan Self Confidence Dengan Kemampuan Komunikasi Matematis Siswa Kelas VIII SMP Negeri 1 Praya Barat Daya Tahun Ajaran 2019/2020 Ilmi, Ilmiatirrafiah; Sarjana, Ketut; Wahidaturrahmi, Wahidaturrahmi
Indonesian Journal of STEM Education Vol. 3 No. 2 (2021): Edisi Juli-Desember 2021
Publisher : Indonesian Publication Center

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to determine whether there is a significant relationship between self-confidence and mathematical communication skills of students of class VIII of SMPN 1 Southwest Praya in the academic year 2019/2020. This research is an ex-post facto research. The population of this study was all students of class VIII of SMPN 1 Southwest Praya with the study sample used was the entire population taken with saturated sampling technique. Data collection techniques in this study used self confidence questionnaire instruments and mathematical communication skills tests. Data were analyzed using Microsoft Excel 2013 software with Pearson product moment correlation analysis technique. The results of data analysis show that self confidence and mathematical communication skills are included in the level of strong relationships and have a positive relationship, meaning that if self confidence is good, then mathematical communication skills are also good, and vice versa if self confidence is lacking, then mathematical communication skills are also lacking. The results of the hypothesis show that there is a significant relationship between self confidence and mathematical communication skills of students of class VIII of SMPN 1 Southwest Praya in the academic year 2019/2020.