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Kognitif: Jurnal Riset HOTS Pendidikan Matematika
Published by Education and Talent Development Center Indonesia
ISSN : 27769984     EISSN : 27769704     DOI : 10.51574/kognitif
Core Subject : Science, Education, Social,
Computer Science & IT Education Library & Information Science Mathematics Social Sciences Other
Tujuan dari jurnal ini adalah untuk mempublikasikan penelitian berkualitas tinggi di bidang pendidikan matematika yang berkaitan dengan Higher Order Thinking Skills (HOTS) termasuk berpikir kritis, berpikir kreatif, penalaran matematis, pemahaman matematis, dll. Kami juga meneima riset tentang pembelajaran dan pengajaran matematika di semua level, baik dalam pembelajaran formal maupun informal.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 561 Documents
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Effectiveness of the Multi-Representation Discourse Learning Model on Mathematical Problem-Solving Ability and Self-Confidence Safitri, Nurlia; Raupu, Sumardin; Arifanti, Dwi Risky; Megasari, Megasari; Thalhah, Sitti Zuhaerah
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 5 No. 3 (2025): July - September 2025
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v5i3.842

Abstract

This study investigated the effectiveness of the Multi-Representation Discourse (DMR) learning model in improving students’ mathematical problem-solving skills and self-confidence. A quasi-experimental pretest–posttest control group design was applied to 55 students selected through cluster random sampling from a population of 194. Data were collected using observation sheets, problem-solving tests, and self-confidence questionnaires, and analyzed with descriptive and inferential statistics. The results revealed that the DMR model was effectively implemented and significantly enhanced both mathematical problem-solving abilities and self-confidence compared to conventional instruction. Beyond its practical effectiveness, this study contributes to the theoretical discourse by demonstrating the value of multi-representation integration in mathematics learning, and provides empirical evidence that discourse-oriented strategies can strengthen both cognitive and affective outcomes. These findings underscore the potential of the DMR model as a pedagogical innovation for advancing mathematics education.
Practicality and Effectiveness of the COMESC Learning Model in Fostering Statistical Thinking Skills Nio, Tan Hian; Suyitno, Hardi; Kartono, Kartono; Mariani, Scolastika
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 5 No. 3 (2025): July - September 2025
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v5i3.1184

Abstract

The COMESc learning model is a specialized instructional approach developed through research and development to address university students’ weaknesses in statistical thinking. These weaknesses include challenges in problem identification, hypothesis formulation, selection of appropriate statistical methods, interpretation of statistical relationships, application of significance testing, execution of calculations, comparison of sample and critical values, decision-making, and result interpretation. This study aimed to evaluate the practicality and effectiveness of the COMESc model in improving students’ statistical thinking skills. A limited field trial was conducted with 27 participants over 10 class sessions. Qualitative data were collected through open-ended questionnaires and in-depth interviews, while quantitative data were obtained from closed-ended questionnaires and tests. Results indicated that the COMESc model is highly practical (95.65%) and effective, with 100% of participants achieving a minimum average test score of 73. The model also improved learning outcomes, enhanced performance, and stimulated active learning dynamics. Its strengths lie in ease of implementation, structured problem-solving syntax, and capacity to foster deeper statistical reasoning, while its main limitation is the need for instructor patience during initial implementation.
Development of Augmented Reality-Based Media for Polyhedron Materials Priwantoro, Soffi Widyanesti; Fahmi, Syariful; Bueraheng, Surairee
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 5 No. 3 (2025): July - September 2025
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v5i3.1320

Abstract

There are difficulties for students in understanding concepts and illustrating polyhedron. Furthermore, the lack of learning media and the absence of technology based-media that can illustrate the material is an urgent problem that needs to be solved. Furthermore, the lack of learning media and the absence of technology-based media that can illustrate the material is an urgent problem that needs to be solved. Therefore, we developed Augmented Reality (AR) based learning media as a tool to help students visualise the material. This study used the Research and Development (R&D) model with the involvement of secondary school students (29 eighth-grade students). Before being tested, the media was validated by subject material experts and media experts with a minimum rating of good. The implementation was carried out twice, in small and large classes. The media was considered feasible if the minimum rating from each subject material expert, media expert, and student response was good. The results of the study showed that the subject material expert gave a score of 4.54 with a very good category, while the media expert gave a score of 4.31 with a very good category, and student responses scored 4.12 with a good category. Thus, the Augmented Reality (AR)-based learning media can be used in the learning process and can be further researched for its effectiveness. The novelty of this study lies in the development of AR-based learning media specifically focused on flat-sided spatial structures. The developed media enables students to visualise spatial structures in three dimensions, interactively, and contextually, thereby overcoming the limitations of conventional static media.
The Impact of Project-Based Learning on Students’ Creative Self-Efficacy in Statistics Learning Novianti, Suci Tiara; Sri Winarni; Marlina
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 5 No. 3 (2025): July - September 2025
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v5i3.2490

Abstract

Statistics learning at the junior high school level still faces challenges in developing students’ creative thinking skills. Students often struggle to understand fundamental statistical concepts due to conventional instructional practices that provide limited opportunities for in-depth data exploration. This study aims to analyze the effect of implementing the Project-Based Learning model on the Creative Self-Efficacy of eighth-grade students at SMPN 11 Jambi City in the topic of statistics. Employing a quantitative approach, this research utilized a true experimental method with a posttest-only control group design. This design was selected to avoid testing effects and to focus on the final learning outcomes. The study involved two sample classes: an experimental class that applied Project-Based Learning and a control class that received Direct Instruction. Research instruments included an observation sheet to measure the implementation of the learning model and a Likert-scale Creative Self-Efficacy questionnaire to assess the dependent variable. Data were analyzed using the Kolmogorov-Smirnov normality test, Levene’s homogeneity test, and an independent sample t-test. The results revealed a significant effect of Project-Based Learning on students’ Creative Self-Efficacy, with a significance value of 0.002 < 0.05. Furthermore, the experimental class achieved a higher mean posttest score (81.03) compared to the control class (75.17). These findings contribute to the development of instructional strategies that foster students’ creative self-confidence through authentic and meaningful project-based learning experiences.
Pengembangan Video Pembelajaran Berbantuan Edpuzzle Berbasis STEM untuk Meningkatkan Kemampuan Berpikir Kritis Siswa SMP Oktaviani, Dika; Sabil, Husni; Junita, Ranisa
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 5 No. 3 (2025): July - September 2025
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v5i3.2566

Abstract

Rendahnya kemampuan berpikir kritis ssiswa mengakibatkan proses pembelajaran berjalan kurang optimal. Penelitian ini dilakukan guna meningkatkan pembelajaran matematika di SMP Negeri 1 Muaro Jambi dengan menggunakan video pembelajaran berbantuan edpuzzle bebasis STEM yang membantu mereka berpikir kritis siswa tentang materi bangun ruang sisi datar. Penelitian ini mengadopsi metode Research and Development (R&D) dan menerapkan model pengembangan ADDIE. Istrumen pengumpulan data yang digunakan adalah lembar validasi (materi dan desain), lembar praktikalitas (uji coba baik perorangan maupun kelompok), lembar efektivitas dan tes kemampuan berpikir kritis siswa. Temuan penelitian menunjukkan bahwa video pembelajaran telah dikatakan valid, praktis, dan efektif serta video tersebut layak digunakan. Hasil uji kulaitas video pembelajaran menunjukkan bahwa validasi materii termasuk “cukup valid” dengan perolehan hasil validasi materi 80%, katagori “sangat valid” untuk hasil angket desain 90%. Presentase “sangat praktis” untuk hasil dari praktikalitas guru yakni sebesar 88,88%. 89,13% katagori “sangat praktis: untuk perolehan presentase praktikalitas ssiswa. 90,43% dengan katagori “sangat efektif” untuk perolehan uji efektivitas siswa. Serta sebesar 62% dengan katagori “sedang” untuk perolehan nilai n-gainnya. Sehingga, media ajar berupa video pembelajaran berbantuan edpuzzle berbasis STEM dinyatakan efektif untuk meningkatkan kemampuan berpikir kritis siswa.
Enhancing Students’ Learning Outcomes through the Guided Inquiry Learning Model in Trigonometry Hidayah, Amanatul; Wibawa, Kadek Adi; Simons, Marius
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 5 No. 3 (2025): July - September 2025
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v5i3.3083

Abstract

Learning trigonometry remains a challenge for many students due to teacher-centered instruction and limited opportunities for conceptual exploration. This issue highlights the urgency of implementing innovative learning models that actively engage students in constructing their understanding. This study aimed to improve students’ learning outcomes in trigonometry through the Guided Inquiry learning model. The research was conducted as Classroom Action Research (CAR) in two cycles, each consisting of two meetings, involving 30 Grade X vocational school students in Denpasar. Data were collected using essay tests to measure students’ competence in trigonometry and analyzed quantitatively based on cognitive test results. The findings showed a steady improvement in learning outcomes: prior to the intervention, only 46.67% of students achieved mastery with an average score of 61.33; in Cycle I, mastery increased to 66.67% with an average score of 73.90; and in Cycle II, mastery reached 80% with an average score of 81.97. These results indicate that the Guided Inquiry learning model effectively enhanced students’ understanding of trigonometric concepts and overall learning achievement. This improvement was influenced by the implementation of the Guided Inquiry learning model syntax, which encouraged students to develop a deeper understanding of trigonometry concepts. Therefore, it can be concluded that the Guided Inquiry learning model is effective in enhancing students’ learning outcomes.
Analyzing Students’ Creative Thinking Skills Based on Rational and Guardian Personality Types Anastasyia, Neneng; Sofyan, Abdul
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 5 No. 3 (2025): July - September 2025
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v5i3.3127

Abstract

Differences in personality types significantly influence individuals’ ways of thinking, which in turn affect the problem-solving strategies they employ in mathematics. This study aims to analyze students’ Creative Thinking Ability (CTA) in solving mathematical problems based on rational and guardian personality types. A descriptive qualitative approach was employed, involving four tenth-grade students from SMA Negeri 2 Enrekang, consisting of two students with rational personality types and two with guardian personality types. The research instruments included a creative thinking ability test, the Keirsey personality test questionnaire, and interview guidelines. Data validity was ensured through source triangulation, while data analysis was carried out using data reduction, data display, and conclusion drawing. The findings revealed that students with rational personality types demonstrated higher levels of creative thinking ability, averaging at CTA level 3, as they were able to meet the indicators of fluency and flexibility in solving problems. However, both personality types did not show evidence of originality. Students with guardian personality types generally performed at CTA level 1, as they typically relied on a single method of problem-solving, except in problem number 2 where they were able to reach CTA level 3. This study was limited to rational and guardian personality types, and therefore cannot be generalized to other personality types. Future research is recommended to include artisan and idealist personality types to provide a more comprehensive understanding in line with David Keirsey’s theory.
Development of Autograph-Assisted Teaching Materials to Enhance Students’ Numeracy Skills in Phase D Loska, Febri; Zetriuslita, Zetriuslita; Effendi, Leo Adhar; Amelia, Sindi; Hidayat, Riyan
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 5 No. 3 (2025): July - September 2025
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v5i3.3200

Abstract

The numeracy skills of Phase D students in Indonesia remain relatively low, as evidenced by the 2018 PISA survey, which ranked Indonesia 72nd out of 79 countries. Transformational geometry is one of the topics that demands high numeracy, often posing challenges due to the need for spatial visualization and logical reasoning. While previous studies have shown the potential of Autograph in HOTS-based learning, research on the development of Autograph-assisted teaching materials explicitly designed to enhance numeracy remains limited. This study introduces a novel approach by integrating Autograph into numeracy-oriented materials for transformational geometry, aiming to provide a validated and practical resource for classroom use. The research employed an R&D design with the ADDIE model, involving 36 ninth-grade students and a mathematics teacher at UPT SMP Negeri 4 Siak Hulu. Data were collected using validation sheets, response questionnaires, and pretest–posttest numeracy tests, and analyzed through Aiken’s V, practicality percentage, N-gain, paired t-test, and Cohen’s d. The results indicated high validity (0.88), high practicality (84.6%), and strong effectiveness (N-gain = 0.78, Cohen’s d = 2.7), with significant improvement from pretest to posttest. The findings highlight the novelty of employing Autograph to foster numeracy development in middle school mathematics, offering new insights into technology-supported instructional design. However, the absence of a control group suggests the need for further studies using more rigorous experimental designs.
Analysis of Students' Mathematical Communication Skills in Project-Based Learning Khaerani, Khaerani; Rahmawati, Rahmawati; Syamsuriyawati, Syamsuriyawati; Kamaruddin, Rahmat; Mamara, Nuraeni Handang
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 5 No. 3 (2025): July - September 2025
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v5i3.3210

Abstract

Mathematical communication ability is an essential 21st century skill that needs to be possessed by mathematics education students. However, initial studies show that students often experience difficulties in conveying mathematical ideas in writing and visually, which is partly due to the use of conventional learning models that do not support interaction and exploration. This study aims to analyze students' mathematical communication skills in the context of project- based learning, as well as to identify the forms of mathematical communication that emerge and the factors that influence them. This research used descriptive qualitative approach with case study method. The subjects consisted of 9 students of Mathematics Education Study Program of Maros Muslim University who were selected purposively. Data were collected through participatory observation, in-depth interviews, and project documentation, then analyzed through the stages of reduction, presentation, and conclusion drawing. The results showed that students' oral communication and visual representation developed significantly through group discussions and project presentations. However, aspects of written communication were still weak, especially in the use of logical structure and consistency of mathematical symbols. The implication of this finding indicates the need to strengthen the written communication aspect through the integration of mathematical writing exercises in the curriculum, as well as the provision of learning spaces that support students' courage in communicating reflectively and structurally
Designing an Interactive Digital Magazine E-Module to Foster Mathematical Problem-Solving Skills through Differentiated Instruction Nadhiya, Bayva; Syafmen, Wardi; Novferma, Novferma
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 5 No. 3 (2025): July - September 2025
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v5i3.3375

Abstract

A major challenge in junior high school mathematics learning, particularly in the topic of Systems of Linear Equations in Two Variables (SLETV), lies in students’ low problem-solving ability, stemming from instructional materials that fail to accommodate diverse learning styles. This study aims to develop and evaluate an interactive digital magazine based e-module that integrates Problem Based Learning (PBL) and supports differentiated instruction to enhance students’ mathematical problem-solving skills. A development research design was employed using the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). Participants included subject-matter experts, media experts, mathematics teachers, and eighth-grade students at SMPN 7 Jambi City. Instruments consisted of validation questionnaires, practicality questionnaires, and problem-solving tests. The research procedure covered expert validation, individual testing, small-group testing, and large-group testing. Quantitative data were analyzed using statistical software to assess validity, practicality, and effectiveness. Results show that the e-module is highly valid, practical, and effective in improving students’ problem-solving ability, as indicated by the N-Gain scores. This interactive e-module offers a promising alternative instructional medium that supports differentiated instruction and contributes to the development of 21st-century skills.

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