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All Journal Jurnal Pendidikan Indonesia EMTEKA: Jurnal Pendidikan Matematika Multidiciplinary Output Research for Actual and International Issue (Morfai Journal)
Mujahidawati
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KUALITAS PENGEMBANGAN LKPD BERBASIS PBL BERBANTUAN CABRI 3D UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS Phatona, Naifa Amanda; Mujahidawati; Falani, Ilham
EMTEKA: Jurnal Pendidikan Matematika Vol. 5 No. 2 (2024)
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/emteka.v5i2.6529

Abstract

This study aims to describe the quality of the development of problem-based learning worksheets assisted by Cabri 3D to improve mathematical problem solving skills. The method in this research is Research and Development (RnD) using the Analysis, Design, Development, Implement, and Evaluation (ADDIE) model. The results obtained from material validation amounted to 97% and the results of design validation amounted to 92% with the category “very valid”. The level of practicality by educators was 91%, and the level of practicality by students was 85% and categorized as “very practical”. Obtained a student effectiveness rate of 85% categorized as “very effective”. For the average Pre-test results obtained with a score of 44.27 in the “low” category and the average Post-test results obtained with a score of 83.04 in the “high” category. The average result of the N-Gain value is 0.71 which is included in the “high” improvement category, while the percentage of N-Gain obtained is 71% in the “moderately effective” category. So that the development of Problem-based learning-based student worksheets assisted by Cabri 3D can improve mathematical problem solving skills by meeting good quality in terms of valid, practical, and effective.
Scientific Learning and Process Skills Mathematics: Comparison and Relationship Kamid, Kamid; Mujahidawati; Iriani, Dewi; Nawahdani, Ahmad Mansur
Jurnal Pendidikan Indonesia Vol 11 No 2 (2022): June
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (365.85 KB) | DOI: 10.23887/jpiundiksha.v11i2.37158

Abstract

Process skills have an important role in the world of education, therefore the process skills of each student need to be improved. This study aims to analyze the comparison of process skills, problem solving models to mathematics, and to analyze the relationship between problem solving models and students' skills in mathematics. This research uses a quasi-experimental quantitative research type. The sample in this study was 288 students. The sampling technique used is purvosive sampling. There are two instruments in this study, namely process skills and problem solving models. The assumption tests carried out in this study were the normality test and linearity test, than continued to test the hypothesis, namely the T test and correlation test. From the results of the process skills T test, there are differences in students' process skills on mathematics subjects. Likewise with the T-test of the problem solving model, there are differences from the model of the student's problem solving learning response to mathematics subjects. As for the results of the correlation test between process skills and problem solving learning models, there is a relationship between process skills and problem solving learning models on mathematics subjects.
A MODERN APPROACH TO THE ACCURACY OF MATHEMATICAL PROBLEM-SOLVING ABILITY ASSESSMENT: GENERALIZED PARTIAL CREDIT MODEL Aditya Prayogi; Mujahidawati; Ilham Falani
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 5 No. 4 (2025): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v5i4.3190

Abstract

Abstract This study aims to measure students' mathematical problem-solving ability using the Item Response Theory (IRT) approach with the Generalized Partial Credit Model (GPCM). The research was carried out in North Bahar District, Muaro Jambi Regency, by involving all grade IX junior high school students in the even semester of the 2024/2025 school year as a sample through total sampling techniques. The test instruments were compiled and analyzed based on five main stages, including testing, scoring, and data processing and analysis using PARSCALE 4.1 software. The results of the analysis showed that the instruments used met the assumption of unidimensionality, which at the same time indicated the fulfillment of the assumption of local independence and parameter invariance. The model fit test produces a value indicating that the GPCM model matches the empirical data. Student ability estimates show a distribution that is close to normal, with most students being at moderate to slightly below average ability levels. The parameters of the question items showed high differentiating power and moderate difficulty, while the test information function showed the effectiveness of the instrument in measuring students' ability at average ability. In conclusion, the GPCM model is effectively used in measuring students' mathematical problem-solving abilities validly, accurately, and thoroughly.
Co-Authors Aditya Prayogi Dewi Iriani Ilham Falani Kamid Kamid Nawahdani, Ahmad Mansur Phatona, Naifa Amanda