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Habibi Ratu Perwira Negara
Universitas Islam Negeri Mataram
Religion Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Mechanical Engineering Social Sciences Other

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Journal : Journal of Didactic Mathematics

 1 
Kemampuan penalaran matematis mahasiswa berdasarkan variasi gender dan self-efficacy matematis Samsul Bahri; Farah Heniati Santosa; Kiki Riska Ayu Kurniawati; Habibi Ratu Perwira Negara
Journal of Didactic Mathematics Vol 2, No 3 (2021): December
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v2i3.1047

Abstract

The purpose of this study was to determine the differences in mathematical reasoning ability (KPM) based on gender variation (VG) and mathematical self-efficacy (SEM). Quantitative research was chosen to answer the research question. The research design used comparative causality on 75 students at a State University in Mataram City. Data collection was based on gender variance in the selected sample (51 women and 24 men, KPM test scores consisting of 5 items, and a 20-point SEM questionnaire, which were further categorized into 3 levels (low, medium and high). Analysis The data used two-way ANOVA with a 3 x 2 factorial design. The post-anava follow-up test used the turkey test. The results showed that male KPM was better than female KPM. Based on SEM category, student KPM at high SEM was better than student KPM at low SEM This finding emphasizes the importance of instructors being able to observe the characteristics of self-efficacy and gender variations that have an impact on the mathematics learning process.
Kemampuan pemahaman konsep berdasarkan self-efficacy matematis dan gender dalam situasi problem-based learning Farah Heniati Santosa; Samsul Bahri; Habibi Ratu Perwira Negara; Ahmad Ahmad
Journal of Didactic Mathematics Vol 3, No 3 (2022): December
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v3i3.1620

Abstract

The ability to understand concepts is an ability that supports students' ability to solve problems. However, psychological factors in the form of mathematical self-efficacy and gender, which are factors influencing this ability, have not been investigated much. The purpose of this study was to determine the ability to understand concepts based on mathematical self-efficacy and gender in problem-based learning situations. The one-shot case study design was applied to 70 grade 8 junior high school students in one of the schools in Mataram City selected by the purposive sampling technique. Data collection uses a concept understanding ability test, a mathematical self-efficacy questionnaire, and gender categorization. Data analysis techniques used were the one-sample t-test and the Anacova test. The results of the study show that the PBL model can assist students in developing conceptual understanding skills. Subsequent findings state that mathematical self-efficacy and gender are factors that determine students' ability to understand concepts.
Kemampuan berpikir kreatif matematis siswa dalam menyelesaikan soal lingkaran ditinjau dari habits of mind Wathoni, Muhammad Hizbul; Negara, Habibi Ratu Perwira
Journal of Didactic Mathematics Vol 5, No 1 (2024): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v5i1.2199

Abstract

Mathematical creative thinking ability is a student's ability to create or find new ideas in solving a problem. Everyone must have the ability to think creatively, especially students. The ability to think creatively plays an important role in the progress of every student. However, in reality, many students are not able to solve a problem using their creative thinking skills. This is possible because students do not get used to thinking (habits of mind). This research aims to determine students' mathematical creative thinking abilities in solving circle problems in terms of habits of mind. The method used in this research is a qualitative method with a case study type of research. There are three data collection techniques used, namely: tests, questionnaires and interviews. The results showed that 6 subjects who had high habits of mind were able to show all indicators of mathematical creative thinking ability, 12 subjects who had moderate habits of mind were able to show three indicators of mathematical creative thinking ability and 3 subjects who had low habits of mind were only able to show one indicator of mathematical creative thinking ability. So, habits of mind have an impact on students' mathematical creative thinking abilities.
Mathematical proficiency siswa pada materi persamaan garis lurus ditinjau dari resiliensi matematis Zandy, Satila Sufita; Negara, Habibi Ratu Perwira
Journal of Didactic Mathematics Vol 5, No 1 (2024): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v5i1.2197

Abstract

This research explains students' mathematical proficiency by considering mathematical resilience in solving problems. This research sample involved 30 grade 8 junior high school students in Pringgarata, who were chosen randomly. The research method used is descriptive qualitative. Data was collected through a mathematical resilience questionnaire with 12 statements, as well as a mathematical proficiency test consisting of 2 essay questions and an interview guide. The research results show that students with high mathematical resilience have good mathematical proficiency, and students in this category have a good understanding of concepts, where conceptual fluency in solving problems, choosing strategies, and adaptive reasoning are used appropriately. Students have a productive disposition, which can be seen in their being confident in their answers in solving each question. Meanwhile, moderate mathematical resilience has good mathematical proficiency, and students in this category have a good understanding of concepts, strategies, and adaptive reasoning. However, when students' conceptual fluency is in the medium category, failure to solve the problem results in a less productive disposition, productive disposition refers to self-confidence. However, students with low mathematical resilience have good mathematical proficiency, and students in this category have a good understanding of concepts and strategies. During adaptive reasoning and conceptual fluency, students in the low category failed to solve the problem, which resulted in a less productive disposition.
Kajian concept image siswa pada materi matriks Sulistina, Linita; Negara, Habibi Ratu Perwira
Journal of Didactic Mathematics Vol 5, No 1 (2024): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v5i1.2196

Abstract

The failure of students to solve matrix problems may be due to misconceptions in their concept image. Concept image encompasses cognition related to a concept, including mental representation, properties, characteristics, and cognitive processes associated with that concept. This study aims to understand students' concept image regarding matrices. The method used is qualitative with a phenomenological approach, conducted on 19 eleventh-grade students in a madrasah located in Narmada District. Data collection involves tests and interviews. Samples are selected through testing. Concept image is determined based on indicators, including aspects of mental representation, processes, and properties. The research findings reveal that Subject 1 has a strong concept image, demonstrated by their ability to relate matrix concepts to relevant contexts, internalize concepts well, and apply them in various situations. Conversely, Subject 2 has a weak concept image, struggling to form a clear mental representation of matrix concepts and facing difficulties in applying correct formulas and procedures. Therefore, it is essential to implement teaching approaches focusing on deep conceptual understanding and fostering a strong concept image to enhance student comprehension.
Students’ conceptual understanding in analytic geometry of planes based on their prior mathematical ability Negara, Habibi Ratu Perwira; Santosa, Farah Heniati; Fatimah, Ade Evi; Nasrullah, Ahmad
Journal of Didactic Mathematics Vol 5, No 3 (2024): December
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v5i3.1982

Abstract

Mathematical conceptual understanding is a fundamental skill that serves as a foundation for more advanced abilities, including reasoning, communication, connections, and problem-solving. However, this foundational skill is influenced by students’ prior mathematical abilities. Therefore, the objective of this study is to identify and describe differences in students’ mathematical conceptual understanding based on their prior mathematical abilities. This research employs a mixed-method approach, involving 87 purposively selected students enrolled in the Analytic Geometry in Planes and Space course. The research instruments include a mathematical conceptual understanding test and documentation of students’ prior mathematical abilities. Data were analyzed quantitatively using one-way ANOVA and qualitatively by exploring mathematical conceptual understanding across categories of prior mathematical abilities. The findings reveal that both quantitative and qualitative analyses indicate that students with high prior mathematical abilities demonstrate superior mathematical conceptual understanding compared to those with medium or low prior mathematical abilities.
The effect of the numbered heads together cooperative learning model on students’ mathematical understanding in statistic Wahyuni, Dewi Sri; Sucipto, Lalu; Negara, Habibi Ratu Perwira
Journal of Didactic Mathematics Vol 6, No 1 (2025): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v6i1.2599

Abstract

Students' low understanding of mathematics is one of the main challenges in the learning process at school. This low understanding is often closely related to the learning methods used by teachers, which are less able to facilitate active involvement and deep understanding of concepts by students. This study aims to analyze the differences in mathematical comprehension abilities between students who learn through the Numbered Heads Together (NHT) cooperative model and conventional learning, and to examine the extent of the influence of the NHT model on students' mathematical comprehension abilities in the experimental class.This study used a quantitative approach with a quasi-experimental method and a nonequivalent pretest-posttest control group design. The population of the study was eighth grade junior high school students, with a cluster random sampling technique. The main instrument was a mathematical comprehension ability test, and the data were analyzed using normality, homogeneity, N-gain, t-test, and paired sample t-test.  The results of the study indicate that the Numbered Heads Together (NHT) learning model is more effective in enhancing students' mathematical understanding ability compared to conventional learning.
The application of the discovery learning model to students’ computational thinking ability is reviewed from self-regulated learning Anjarwati, Rani; Negara, Habibi Ratu Perwira; Syawahid, M; Setambah, Mohd Afifi Bahurudin
Journal of Didactic Mathematics Vol 6, No 2 (2025): August
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v6i2.2826

Abstract

Computational thinking (CT) is a crucial skill for addressing the challenges of the 21st century. This study sought to investigate the impact of the Discovery Learning model on students’ CT abilities, examining the influence of learning models, self-regulated learning (SRL) levels, and their interplay. The research employed a quantitative approach employing a quasi-experimental design involving two Grade 7 classes: an experimental group (n = 26) receiving instruction through the Discovery Learning model and a control group (n = 24) receiving conventional instruction. Instruments included an essay test assessing CT and a Likert-scale questionnaire evaluating SRL. Data were analyzed employing descriptive statistics, the Mann-Whitney test, and the Kruskal-Wallis test. The findings indicated that the average CT score in the experimental class (67.60) was superior to that in the control class (62.82). However, the Mann-Whitney test revealed that this disparity was not statistically significant (p = 0.151 > 0.05). Although no significant difference was observed when comparing the two learning models collectively, the Kruskal-Wallis test demonstrated a substantial effect of SRL on CT (p = 0.000). Furthermore, a significant interaction was identified between the learning model and the SRL level (p = 0.000). Notably, students with high SRL achieved the highest CT performance within the Discovery Learning group. These findings underscore the efficacy of combining the Discovery Learning model with high levels of student self-directed learning in enhancing computational thinking abilities. This evidence suggests that integrating teaching models with student learning autonomy yields more favorable outcomes.
Co-Authors A.A. Ketut Agung Cahyawan W Ade Evi Fatimah Afifurrahman Ahmad Ahmad Amalia Rahmatin Anjarwati, Rani Budiyono Budiyono Budiyono Budiyono Dadang Juandi Dewi Sri Wahyuni, Dewi Sri Elin Nurmayanti Eyus Sudihartinih Fahrudin, Fadrik Adi Farah Heniati Santosa Farah Heniati Santosa Farah Heniati Santosa, Farah Heniati Fazira, Lisa Firza, M. Sandi Habib Ratu Perwira Negara Hani Yupita Salwa Imam Sujadi Imam Sujadi Irzani Irzani Istofany, Muhammad Ali Bintang Jaka Wijaya Kusuma jauhari, Afifah Latip Rasyid Kiki Riska Ayu Kurniawati, Kiki Riska Ayu Kusaeri, Al Linita Sulistina Mahfudy, Sofyan Malik Ibrahim Marzuki Marzuki Marzuki Marzuki Marzuki Marzuki Mimi Nur Hafizah Muhammad Nurman Mulhamah Mulhamah, Mulhamah Najamuddin Najamuddin Nasrullah, Ahmad Nugraha, Yandika Nur Al Fariana Nur Hardiani Pardi, Habib Husnial Putrawangsa, Susilahudin Ramdhani, Deddy Rina, Nisrina Apriani Ripai Ripai S'aduddin sani, Sani Samsul Bahri Samsul Bahri Samsul Bahri Samudra, Dias Ardian SETAMBAH, MOHD AFIFI BAHURUDIN Siti Maesaroh Sucipto, Lalu suhandri, suhandri Sulistina, Linita Susilahudin Putrawangsa Syaharuddin Syaharuddin Syaharuddin Syaharuddin Syaharuddin Syaharuddin Syawahid, M Tatang Herman, Tatang Wahyudin Wahyudin Wahyudin Wahyudin Wathoni, Muhammad Hizbul Wikasari, Reni Yasmin, Yuli Yuliani, Arpia Zandy, Satila Sufita