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All Journal Jurnal Kependidikan: Penelitian Inovasi Pembelajaran Jurnal Penelitian dan Evaluasi Pendidikan Pythagoras: Jurnal Matematika dan Pendidikan Matematika Statistika Jurnal Pendidikan Indonesia Jurnal Riset Pendidikan Matematika AKSIOMA: Jurnal Program Studi Pendidikan Matematika BAREKENG: Jurnal Ilmu Matematika dan Terapan JETL (Journal Of Education, Teaching and Learning) FONDATIA Al-Khwarizmi: Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam Southeast Asian Mathematics Education Journal International Journal of Robotics and Control Systems Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Al-Irsyad Journal of Mathematics Education Jurnal Pedagogi Matematika Hipotenusa: Journal of Mathematical Society International Journal of Mathematics and Science Education Mathematics Education Journal
Kana Hidayati
Universitas Negeri Yogyakarta
Aerospace Engineering Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Development of E-LKPD Based on Realistic Mathematics Education on Three-Variable Linear Equation System Material Oriented to Critical Thinking Skills and Self-Efficacy of Vocational School Students Khaeriyah Anwar; Kana Hidayati
International Journal of Mathematics and Science Education Vol. 2 No. 1 (2025): February : International Journal of Mathematics and Science Education
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/ijmse.v2i1.155

Abstract

This study aims to (1) describe the characteristics of e-LKPD based on realistic mathematics education on system of linear equations with three variables oriented towards critical thinking skills and self-efficacy of vocational school students, (2) describe the feasibility of e-LKPD based on realistic mathematics education on system of linear equations with three variables oriented towards critical thinking skills and self-efficacy of vocational school students in terms of validity, practicality and effectiveness. This type of research is research and development (Research and Development) with the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). The research subjects were 34 students of class X TKP SMKN 2 Tarakan. In this research, One Group Pretest - Posttest Design was used. The research instruments used were validation sheets, practicality assessment sheets by teachers and students, learning implementation observation sheets, critical thinking ability tests and self-efficacy questionnaires. The results of the research show: (1) the e-LKPD developed contains characteristics found in the RME approach to the material of on system of linear equations with three variables oriented towards critical thinking skills and self-efficacy. The characteristics contained in RME-based e-LKPD include integrated learning, use of context, mathematization and construction processes and interactivity. (2) the RME-based e-LKPD developed meets the criteria for feasibility in terms of validity aspects with a percentage of feasibility according to material experts of 93.4% and media experts of 98.9% with the validation result criteria being very feasible; practicality with a very practical category based on the results of student and teacher responses; effectiveness based on critical thinking skills with classical completeness of students reaching 82.4%, the results of the T-test paired samples-test with a significance level of 5% obtained that there was an influence on students' critical thinking skills after treatment using RME-based e-LKPD, the N-Gain result was 0.73 with a high category, and the effectiveness of e-LKPD on self-efficacy with an increase in each self-efficacy indicator, the N-Gain result was 0.3 in the moderate category, and the results of the Wilcoxon test on self-efficacy data with a significance level of 5%, it was obtained that there was an influence on students' self-efficacy after treatment using RME-based e-LKPD.
Students' Self-efficacy in Solving Mathematical Literacy-Based Summative Assessment Problems Lestari, Dian Endang; Widjajanti, Djamilah Bondan; Susanto, Adi; Hidayati, Kana
Mathematics Education Journal Vol. 19 No. 1 (2025): Jurnal Pendidikan Matematika
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jpm.v19i1.pp47-62

Abstract

Self-efficacy is an essential skill that students must develop to excel in mathematics. This study aims to describe students' self-efficacy in solving mathematical literacy-based summative assessment problems. Conducted as qualitative descriptive research, the study employed tests and questionnaires for data collection. The sample of this study consisted of 34 male junior high school students. The data obtained were analyzed using descriptive statistical techniques. The results showed that students' self-efficacy was in the medium category with a percentage of 55.88%, and student learning outcomes based on the students’ mathematical literacy-based summative assessment tests were mostly in the poor category with a percentage of 44.11%. The percentages of students who can formulate, use, and interpret mathematical concepts are 78%, 45%, and 59%, respectively. Consequently, students with high levels of self-efficacy outperform those with intermediate or low levels of mathematical literacy. Medium-level individuals demonstrated superior mathematical literacy abilities compared to students with low self-efficacy. Enhancing self-efficacy in addressing mathematical literacy-based summative assessment challenges is crucial for advancing mathematics education research, enabling educators to implement effective pedagogical strategies, and fostering students’ confidence to approach complex problem-solving tasks.
Quality of Mathematics Even Semester Final Assessment Test in Class VIII Using R Program Rahmadani, Nadilla; Hidayati, Kana
Mathematics Education Journal Vol. 17 No. 3 (2023): Jurnal Pendidikan Matematika
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

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

Abstract

This study was conducted using the Item Responses Theory (IRT) method with R program to comprehensively analyze quality of Mathematics Even Semester Final Assessment test in class VIII for 2021/2022 Academic Year. This assessment was created through a collaborative effort involving mathematics teachers from a Public Junior High School in Binjai. It consists of 20 multiple-choice questions, each with four alternative answers. Furthermore, the study followed a descriptive framework carried out by a quantitative methodology. The data source was the responses of 189 students in class VIII who took part in Mathematics Even Semester Final Assessment for the 2021/2022 Academic Year, collected using documentation methods. The results showed that the items developed by the teacher: (1) were most appropriate for analysis using a two-parameter logistic model (2-PL), (2) distribution of material achieved during the even semester on the item tested was uneven, (3) eight of the 20 item was acceptable and kept in the question bank, while the remaining 12 were of poor quality; (4) the item fell into the category of easy to moderate difficulty, dominated by item in the moderate category, and (5) Mathematics Even Semester Final Assessment in class VIII provided accurate information regarding students’ mathematics ability at moderate ability levels ( to ). DOI: https://doi.org/10.22342/jpm.17.3.20627.397-417
Cultural Literacy and Citizenship of Elementary School Students in Bone District Alamsyah, Nurfitrah Ramadhani; Hidayati, Kana
JETL (Journal of Education, Teaching and Learning) Vol 10, No 1 (2025): Volume 10 Number 1, 2025
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/jetl.v10i1.6015

Abstract

Indonesia as a country has a lot of regional culture and art so it needs to be preserved. Parents Cultural and civic literacy are competencies that need to be mastered amidst changing times. The aim of this research is to determine the cultural and civic literacy skills of elementary school students in Bone Regency. This research is survey research. The subjects of this research were 834 students using purposive sampling techniques. The data analysis technique uses quantitative descriptive analysis. The research results showed that students in the low category were 28% of the total number, students at the medium level were 24% of the total number, then students in the very low category were 22% of the total number. However, students in the very high and high categories respectively account for 16% and 10% of the total number. So special handling is needed for students' relatively low abilities, both by local governments, schools and parents. Cultural and civic literacy are competencies that need to be mastered amidst changing times.
THE EFFECT OF SAMPLE SIZE ON THE STABILITY OF XGBOOST MODEL PERFORMANCE IN PREDICTING STUDENT STUDY PERIOD Damar Sakti, Muhammad Lintang; Jailani, Jailani; Retnawati, Heri; Hidayati, Kana; Waryanto, Nur Hadi; Ibrahim, Zulfa Safina; Khoirunnisa, Asma’; Satiranandi Wibowo, Firdaus Amruzain; Berlian, Miftah Okta; Batubara, Angella Ananta
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 19 No 4 (2025): BAREKENG: Journal of Mathematics and Its Application
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/barekengvol19iss4pp2679-2692

Abstract

Student success can be defined based on the period of study taken until graduation from college. Machine learning can be used to predict the factors that are thought to influence student success. To achieve optimal machine learning model performance, attention is needed on the sample size. This study aims to determine the effect of student sample size on the stability of model performance to predict student success. This research is quantitative. The data used is student data from a university in Yogyakarta from 2014 to 2019, totaling 19061 students. The target variable is the student study period in months, while the predictor variables are college entrance pathways, GPA from semester 1 to semester 6, and family socioeconomic conditions based on the father’s and mother’s income. This research uses the XGBoost model with the best hyperparameters and the bootstrap approach. Bootstrapping was performed on the original data by sampling twenty different sample sizes: 250, 500, 750, 1000, 1250, 1500, 1750, 2000, 2250, 2500, 2750, 3000, 3250, 3500, 3750, 4000, 4250, 4500, 4750, and 5000. The resulting bootstrap samples were replicated ten times. Model performance evaluation uses the Root Mean Square Error (RMSE) value. The result of this research is the XGBoost model with the best hyperparameters, obtained through the training data division scheme of 90% and testing data of 10%, which has the smallest RMSE value of 8.318. The model uses the best hyperparameters: n_estimators of 75, max_depth of 8, min_child_weight of 5, eta of 0.07, gamma of 0.2, subsample of 0.8, and colsample_bylevel of 1. The XGBoost model with optimal hyperparameters demonstrates peak performance stability at a sample size of 1750 students, as evidenced by consistent RMSE values across 10 bootstrap replications, confirming that this data quantity provides the ideal balance between prediction accuracy and stability for estimating study duration.
ICT-Based Mathematics Learning Assessment: A Systematic Review of Effectiveness, Challenges, and Pedagogical Impacts Hidayatullah, Syarif; Arliani, Elly; Hidayati, Kana
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol. 13 No. 4: October 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-ps.v13i4.16987

Abstract

The importance of integrating Information and Communication Technology (ICT) into mathematics learning lies in its potential to enhance students’ critical thinking, problem-solving, and logical reasoning skills. Conventional assessments often face limitations in providing personalized and dynamic feedback. This study aims to examine the effectiveness, challenges, and pedagogical impacts of ICT-based mathematics assessment through a systematic review of literature published between 2020 and 2025. The research method employed is a Systematic Literature Review (SLR) following the PRISMA guidelines. Data were collected from the Scopus, WoS, ERIC, and Google Scholar databases using relevant keywords. The selection process involved identification, screening, eligibility assessment, and inclusion, resulting in n=15 articles for comprehensive analysis. The findings indicate that ICT-based assessment is effective in measuring cognitive domains, particularly conceptual understanding (33.3%), problem solving (26.7%), and learning outcomes (26.7%), while other aspects remain limited mathematical reasoning and self-assessment (13.3%). Furthermore, challenges in implementing ICT-based mathematics assessment include the design and development of instruments, technical and infrastructural limitations, teachers’ readiness and competencies, as well as student characteristics and the context of online learning. ICT-based assessment in mathematics also provides five main pedagogical impacts: enhancing student engagement and motivation, offering feedback and self-reflection, fostering cognitive and problem-solving skills, improving learning efficiency, and promoting pedagogical innovation.
Development of Problem-Based Learning E-LKPD to Improve Mathematical Prob-lem-Solving Ability and Self-Confidence of High School Students on Quadratic Equations Diah Lestari; Kana Hidayati
International Journal of Mathematics and Science Education Vol. 2 No. 3 (2025): August : International Journal of Mathematics and Science Education
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/ijmse.v2i3.226

Abstract

This study aims to: (1) produce e-LKPD based on problem-based learning oriented to mathematical problem-solving ability and self-confidence of high school students on the material of equations and quadratic functions and (2) describe the feasibility of PBL-based e-LKPD oriented to mathematical problem- solving ability and self-confidence of high school students on the material of equations and quadratic functions seen from the aspects of validity,  practicality, and effectiveness. This type of research is research and development using the ADDIE model (Analysis, Design, Development, Implementation, and Evaluation). The research was conducted at SMA Negeri 1 Malinau with the research subject of class X-3 students totaling 35 students. Data collection was carried out using interview techniques, observation, e-LKPD validation sheets, pretest-posttest, and questionnaires. To determine the validity, the e-LKPD assessment sheet of material and media experts was used, practicality used student and teacher response questionnaires, and effectiveness used mathematics problem solving ability test questions and student self-confidence questionnaires. Data analysis consisted of qualitative data analysis and quantitative data analysis. Qualitative data analysis was conducted by analyzing the results of interviews, observations, and comments or suggestions given to make improvements to the e-LKPD products developed. Quantitative data analysis was conducted by converting quantitative data into qualitative data in the form of certain categories, normality test using shapiro-wilk, t-test with paired samples test, and N-Gain score. The results showed: (1) PBL-based e-LKPDs oriented towards mathematical problem solving skills and self-confidence of high school students on the material of quadratic equations and functions have been produced, (2) PBL-based e-LKPDs developed meet product feasibility, namely valid with excellent categories based on material and media experts; practical with very practical categories based on teacher responses and practical based on student responses; effective on math problem solving skills with classical completeness of 77%, the t-test results obtained a significance value of 0.000 <0.05 which means that there is a difference in the average ability to solve mathematical problems before and after learning using e-LKPD, the N-Gain result is 0.65 with moderate criteria, and effective on student self-confidence with an increase in the average score of each indicator before and after learning,  the N-Gain result is 0.49 with moderate criteria, and the t-test results with a significance value of 0.000 < 0.05.
The Effect of a Creative-Problem Solving Learning Model Based on an Open-Ended Approach Toward High Level of Mathematical Thinking Ability of Students Syilvia Septiani; Hidayati, Kana
Al-Khwarizmi : Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam Vol. 12 No. 2 (2024): Al-Khwarizmi : Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam
Publisher : Prodi Pendidikan Matematika FTIK IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/jpmipa.v12i2.5281

Abstract

Abstract:Twenty-first-century learning focuses on developing students' mathematical thinking skills. This study examines the impact of the Creative Problem Solving (CPS) model using an Open-Ended approach to creative thinking, mathematical communication, and adversity quotient. The research employs a quasi-experimental design with a pretest-posttest non-equivalent control group at a junior high school in Bukittinggi, Indonesia. Instruments used include tests for creative thinking skills, mathematical communication, and a questionnaire for adversity quotient. Analysis was conducted using Hotelling’s T2 and univariate tests, revealing that the CPS model positively influences all three abilities.   Abstrak:Pembelajaran abad kedua puluh satu fokus pada pengembangan kemampuan berpikir matematis siswa. Penelitian ini mengkaji pengaruh model Creative Problem Solving (CPS) dengan pendekatan Open-Ended terhadap kemampuan berpikir kreatif, komunikasi matematis, dan adversity quotient. Penelitian ini menggunakan desain quasi eksperimen pretest-posttest non-equivalent control group di SMP di Bukittinggi, Indonesia, instrumen yang digunakan meliputi tes kemampuan berpikir kreatif, tes komunikasi matematis, dan angket adversity quotient. Analisis dilakukan menggunakan Hotelling’s T2 dan uji univariat, dengan hasil yang menunjukkan bahwa model CPS berpengaruh positif terhadap ketiga kemampuan tersebut.  
Co-Authors Abdullah, Abdul Halim Adi Susanto Ahmad Muhazir Alamsyah, Nurfitrah Ramadhani Apino, Ezi Arie Setiawan, Arie Azizah, Nur Lailatul Badrun Kartowagiran Badrun Kartowagiran Batubara, Angella Ananta Berlian, Miftah Okta Budiyono Budiyono Caturiyati Caturiyati Damar Sakti, Muhammad Lintang Diah Lestari Djamilah Bondan Widjajanti Elly Arliani Endang Listyani Endang Listyani Fineldi, Rira Jun Fransiskus Magnis Pastoriko Gunawan Handayawati, Ponco Heri Retnawati Herlina Sari Br Sitepu Himmawati Puji Lestari Ibrahim, Zulfa Safina Isnaeni Isnaeni Jailani Jailani Jumini Jumini Kardanova, Elena Kassymova, Gulzhaina Kuralbayevna Khaeriyah Anwar Khoirunnisa, Asma’ Lantip Diat Prasojo Lestari, Dian Endang M. Rafi Maria Ulfah Marsigit Marsigit Mathilda Susanti Mazlini Adnan Mu'minin, Nurul Ngaenun Nangim Ni Kadek Swari Nandini Nur Hadi Waryanto Oktapia, Penti Rahmadani, Nadilla Rasmuin Rasmuin Ratna Puspitasari, Ratna Retno Subekti Rosyada, Munaya Nikma Sabriena, Rinna Sahid Sahid SAMSUL HADI Satiranandi Wibowo, Firdaus Amruzain Septinda Rima Dewanti Sotlikova, Rimajon Sri Andayani Subekti, Inu Sugiman Sugiman Sumaryanto Sumaryanto, Sumaryanto Syarif Hidayatullah Syilvia Septiani Syukrul Hamdi Tuanaya, Rugaya Wahyu Setyaningrum Yoppy Wahyu Purnomo Yufida Afkarina Nizar Isyam Yusdian, Fonni Ziyana Endah Khairun Nisa&#039;