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Yaya S. Kusumah

Universitas Pendidikan Indonesia, Bandung, Indonesia

Author-ID : 303105

Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Computer Science & IT Education Languange, Linguistic, Communication & Media Mathematics Physics Public Health Social Sciences Other

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Mathematical Literacy of Prospective Teachers: A Systematic Review of Factors, Readiness, and Teacher Education Preparation Dirgantoro, Kurnia Putri Sepdikasari; Kusumah, Yaya Sukjaya; Jupri, Al; Melissa, Margaretha Madha
Jurnal Pendidikan MIPA Vol 26, No 3 (2025): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v26i3.pp1355-1376

Mathematical literacy is a crucial competency for 21st-century teachers to foster critical thinking and problem-solving skills in various educational contexts. However, several pieces of evidence suggest that many prospective teachers struggle to develop mathematical literacy, which may hinder the effectiveness of mathematics learning. This study aims to provide a comprehensive overview of the mathematical literacy of prospective teachers through a systematic literature review of previous research. The study used the PRISMA protocol by searching articles from five reputable databases (ERIC, ProQuest, Taylor & Francis, Emerald Insight, and Scopus) using predefined inclusion and exclusion criteria. Of the initial search results of 8659 articles, only 13 articles were eligible for further review after the screening and duplication removal process. The analysis was focused on six research questions which included: (1) the geographical distribution of the research, (2) the academic background of the research subject, (3) the research topic, (4) factors that affect mathematical literacy, (5) the readiness of prospective teachers, and (6) the form of debriefing by the teacher education program. The results showed that the mathematical literacy of prospective teachers was influenced by both internal factors, such as conceptual comprehension, self-efficacy, and anxiety, as well as external factors, including pedagogical training and sociocultural contexts. However, most teacher education programs have not optimally emphasized the development of contextual and applicative mathematical literacy. This study highlights the importance of strengthening the teacher education curriculum through a contextual, activity-based, and culturally responsive approach, enabling prospective teachers to develop and effectively implement mathematical literacy in diverse learning contexts. Keywords: mathematical literacy, prospective teacher, systematic review, teacher education, pedagogical preparation.

Rethinking the Connection Between GPA and Self-Regulated Learning: A Study in Indonesian Private Universities Rizki, Lussy Midani; Kusumah, Yaya Sukjaya
Jurnal Pendidikan MIPA Vol 25, No 3 (2024): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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This study investigates the relationship between self-regulated learning (SRL) strategies and academic performance, measured by grade point average (GPA), among undergraduate students at a private university in Indonesia. Using a quantitative correlational design, data were collected from 25 students through an online survey measuring four SRL dimensions cognition, metacognition, social behavior, and motivational regulation—and verified GPA records. Regression analysis revealed a non-significant relationship, with SRL explaining only 1.2% of GPA variance (R Square = 0.012, p = 0.601). These findings suggest that SRL strategies alone are insufficient to predict academic performance and highlight the context-dependent nature of their effectiveness. External factors, such as prior academic achievement, socio-economic status, and institutional support, likely play a more dominant role in influencing GPA. The study acknowledges its limitation in not empirically examining these external factors and calls for future research to explore their mediating or moderating roles. To maximize the effectiveness of SRL, integrating it with additional support mechanisms, such as coaching, technology-enhanced tools, and culturally tailored interventions, is recommended. This study underscores the need for a holistic approach that considers diverse influences on academic success to better address the complexities of student achievement in higher education. Keywords: GPA, self-regulated learning, academic achievement, higher education. DOI: http://dx.doi.org/10.23960/jpmipa/v25i3.pp1273-1280

The Impact of 3D Geometry Assisted 6E Instructional Model to Improve 3D Geometry Thinking Skills of Junior High School Students Sudirman, Sudirman; Kusumah, Yaya Sukjaya; Priatna Martadiputra, Bambang Avip
Jurnal Pendidikan MIPA Vol 23, No 1 (2022): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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This study aims to reveal the impact of the 6E Instructional 3D geometry model (6E I3DGM) design in improving students' 3D geometric thinking skills. The approach in this study uses a mixed approach. The reason for choosing this approach is that researchers want to get a more comprehensive understanding of this research problem. In this study, the participants involved in this study were (1) junior high school mathematics teachers; (2) grade VIII junior high school students in one of the public junior high schools in Indramayu Regency. In addition, there are three methods of collecting data in this study, namely observation, documentation, tests, which were analyzed using qualitative and quantitative data analysis. Qualitative data analysis using Miles and Huberman (2014) modification consists of data collection, data reduction (data reduction), data display (data display), and conclusion drawing (verification). The statistical test used in this study used an independent t-test. The results of this study conclude that the 6E I3DGM design can improve students' 3D geometric thinking skills. This is because students (1) can activate students' prior knowledge; (2) can relate previous knowledge with prior knowledge; (3) can explore 3D geometry problems; (4) can facilitate the process of constructing new concepts of 3D geometry into students' memory; (5) able to elaborate 3D geometry knowledge acquired in other contexts; (6) can evaluate the acquired knowledge in order that the 3D geometry knowledge possessed by students is stored in cognitive structures for a long period of time.Keywords: 6E instructional 3D geometry model, 3D geometry thinking skills, junior high school students.DOI: http://dx.doi.org/10.23960/jpmipa/v23i1.pp45-56

The Impact of 3D Geometry Assisted 6E Instructional Model to Improve 3D Geometry Thinking Skills of Junior High School Students Sudirman, Sudirman; Kusumah, Yaya Sukjaya; Martadiputra, Bambang Avip Priatna
Jurnal Pendidikan MIPA Vol 23, No 1 (2022): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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

This study aims to reveal the impact of the 6E Instructional 3D geometry model (6E I3DGM) design in improving students' 3D geometric thinking skills. The approach in this study uses a mixed approach. The reason for choosing this approach is that researchers want to get a more comprehensive understanding of this research problem. In this study, the participants involved in this study were (1) junior high school mathematics teachers; (2) grade VIII junior high school students in one of the public junior high schools in Indramayu Regency. In addition, there are three methods of collecting data in this study, namely observation, documentation, tests, which were analyzed using qualitative and quantitative data analysis. Qualitative data analysis using Miles and Huberman (2014) modification consists of data collection, data reduction (data reduction), data display (data display), and conclusion drawing (verification). The statistical test used in this study used an independent t-test. The results of this study conclude that the 6E I3DGM design can improve students' 3D geometric thinking skills. This is because students (1) can activate students' prior knowledge; (2) can relate previous knowledge with prior knowledge; (3) can explore 3D geometry problems; (4) can facilitate the process of constructing new concepts of 3D geometry into students' memory; (5) able to elaborate 3D geometry knowledge acquired in other contexts; (6) can evaluate the acquired knowledge in order that the 3D geometry knowledge possessed by students is stored in cognitive structures for a long period of time.Keywords: 6E instructional 3D geometry model, 3D geometry thinking skills, junior high school students DOI: http://dx.doi.org/10.23960/jpmipa/v23i1.pp45-56

Enhancing Students' Critical Thinking in Mathematics Education: A Systematic Literature Review Nafiah, Siti; Kusumah, Yaya S; Dahlan, Jarnawi Afgani
Jurnal Pendidikan MIPA Vol 25, No 4 (2024): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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Students' critical thinking abilities are one of the goals of 21st-century learning. Critical thinking abilities enable students to think in a realistic and logical way, assist in understanding and solving problems, and build effective communication skills in facing future challenges. Therefore, the aim of this Systematic Literature Review (SLR) is to identify effective methods for enhancing students' critical thinking abilities, especially in the study of mathematics education. Microsoft Excel and Publish or Perish were used to examine a total of 14 papers from 2014 to 2024 found using Google Scholar and Scopus. The results of the analysis show that teaching approaches, subject matter, and teacher attitudes are some of the methods used to improve critical thinking skills. The most popular and successful teaching method in mathematics education is problem-based learning (PBL). Additionally, research conducted between 2020 and 2022 shows a greater focus on critical thinking skills, with quantitative and qualitative research methodologies taking center stage. Teachers can use these insights to provide more imaginative and significant mathematics instruction. It is recommended that teachers develop modules and frameworks that are integrated with ICT to improve critical thinking skills, especially for teaching in the early grades. This can contribute to a more imaginative and meaningful mathematics learning process. Keywords: critical thinking, SLR, learning methods. DOI: http://dx.doi.org/10.23960/jpmipa/v25i4.pp1925-1938

Students' Learning Obstacles in Exponential: A Case Study in Indonesian Higher Education Students Suarka, Ni Komang Savitri Dharma; Kusumah, Yaya Sukjaya
Jurnal Pendidikan MIPA Vol 25, No 2 (2024): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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Exponential is an essential concept in mathematics learning. Students generally understand the idea of exponentials if the base and power are natural numbers. However, when the base and the power are a negative integer, students experience difficulties, which can create learning obstacles. This research aims to identify and analyze learning obstacles that confront students at the stage of solving exponent problems, especially in the exponent form〖 -(a)〗^(-b),∀a∈Ν,b∈Z. This study uses a qualitative method with a case study type. The participants of this study were nine higher education students in Bandung. Subjects are asked to take a written test of seven questions to explore their understanding of exponents with specific characteristics. The results of the research showed that all of the learning obstacles that arise are epistemological learning obstacles, Including errors in defining exponents when the power is zero, when the power is a negative integer, when the base contains a negative sign, when the base contains a negative sign and the power is zero, and when the base contains a negative sign with a negative integer exponent. The research results obtained can be used to develop a hypothetical learning trajectory. Keywords: learning obstacle, exponential, epistemological learning obstacle, negative exponential.DOI: http://dx.doi.org/10.23960/jpmipa/v25i2.pp530-541

ULTRA: A Digital Gamification Approach to Boosting Mathematical Creative Thinking and Self-Regulated Learning Nopitasari, Dian; Kusumah, Yaya Sukjaya; Juandi, Dadang; Priatna, Bambang Avip
Jurnal Pendidikan MIPA Vol 26, No 4 (2025): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v26i4.pp2720-2741

The Mathematics Education Game is a gamification-based teaching material specifically designed to develop mathematical creative thinking skills and self-regulated learningin high school students. This game adopts a Snakes and Ladders format, consisting of three learning modules covering core trigonometry: basic concepts, quadrants, special angles, trigonometric equations, trigonometric identities, double-angle identities, sums and differences of angles, and multiplication of trigonometric functions. The game developed in this study, Attractive Trigonometric Snakes and Ladders (ULTRA), aims to serve as an engaging digital learning resource for students in grades XI and XII. The purpose of this study is to examine the improvement in creative thinking skills and self-regulated learning of students who use ULTRA. The research method uses the ADDIE model and is evaluated through three research instruments: (1) a mathematical creative thinking test containing four essay questions to measure fluency, flexibility, originality, and elaboration; (2) a 24-item self-regulated learning questionnaire that assesses goal setting, monitoring, strategy use, and reflection; and (3) a 15-item student response questionnaire to assess usability and engagement. Effectiveness was analyzed using normalized gain, while validity and practicality were reviewed through expert assessment and descriptive data. The research subjects were 496 students from 16 classes, comprising 247 in the experimental class and 249 in the control class. This study concluded that ULTRA is valid, practical, and has potential as a digital medium for mathematics learning. Effectiveness testing conducted in four schools showed a moderate increase in N-Gain in mathematical creative thinking skills, as well as positive behavioral indicators of learning independence, indicating that ULTRA strengthens students' higher-order thinking skills and independence. Overall, the findings indicate that the ULTRA game has the potential to improve mathematical creative thinking and self-regulated learningwhile providing an engaging digital learning experience for students. Keywords: education game, creative thinking, self-regulated learning.

Co-Authors 'Ulya, Zahratul Aan Hasanah Aan Hendroanto Adjis, Vidia Amalia Ahmad Zamsuri, Ahmad Aini, Siti Al Jupri, Al Jupri Andini, Meri Ani Minarni Anik Yuliani Ariyanti Jalal Astri Wahyuni Ate, Dekriati Atma Murni Avip, Bambang Bainuddin Yani bambang avip Priatna Bambang Avip Priatna Martadiputra Bambang Avip Priatna Martadiputra cakrawala Bana Goerbana Kartasamita Bonita Hirza Bonyah, Ebenezer Cohors-Fresenborg, Elmar Dadan Dasari Dadang Juandi Dahlan, Jarnawi Afghani Dahlia Fisher Darhim Darhim Dede Sulaeman, Dede Deswita, Ria Deswita, Ria Dewi, Nuriana Rahmani Didi Suryadi Dina Mayadiana Suwarma Dini Kinati Fardah Ditasona, Candra Dwicahyo, Larasati Adira E. Elvis Napitupulu, E. Elvis Edy Surya Elah Nurlaelah Elmawati, Elmawati Elsayed, Ebrahim E. Endang Cahya Mulyaning A. Endang Wahyuningrum Epran, Epran Erma Monariska Ernawati Fadhil Zil Ikram Farida Nurhasanah Fatimah, Siti Filiestianto, Gerry Finola Marta Putri Fitriyani, Harina Florida Moza, Florida Gí¼rbí¼z, Ferit Gunadi, Farid Haq. MY, Annisa Husnul Harina Fitriyani Hendriyanto, Agus Hepsi Nindiasari Heri Sutarno Idrus Alhaddad Ilham Muhammad Isra Nurmai Yenti Jarnawi Afgani Dahlan Jozua Sabandar Jozua Sabandar Julianti, Dola Kartika Yulianti Kurnia Putri Sepdikasari Dirgantoro Kurniati Kurniati Kusaka, Satoshi Kusnandi Kusnandi Kusnandi, Kusnandi Kyaruzi, Florence Luhur Bayuaji, Luhur Lussy Midani Rizki Maknun, Churun L Maknun, Churun Lu'lu'il Margaretha Madha Melissa Marlina Martadiputra, Bambang Aviv Priatna Muhaimin, Lukman Hakim Mulyono, Budi N. Nurjanah Nafiah, Siti Nanang Priatna Napitupulu, E.Elvis Nia Kania Nita Delima Nopitasari, Dian NurAfni NurAfni Nurwita, Faizah Pakaya, Yusril Mahendra Panjaitan, M. Azhari Pieter Zakarias Tupamahu PRASETYAWAN, ENGGAR Prida N. L. Taneo Putri, Mei Radia Rachmawati, Andini Dwi Rahayu, Diar Veni Rahmah Johar Ratni Purwasih, Ratni Reviandari Widyatiningtyas, Reviandari Rizky Rosjanuardi Rohati Rohati Sabandar, Jozua Sahara, Sani Said Husain, Sharifah Kartini Saputri, Veni Sardin Sari Herlina Sari, Fitri Aida Sartika, Rahma Adinda sholikhakh, Rizqi Amaliyakh Silitonga, R. H. Yanti Siswanto, Rizki Dwi Stevi Natalia, Stevi Suarka, Ni Komang Savitri Dharma Sudirman Sudirman Sufyani Prabawanto, Sufyani Sugiman Sugiman Suhendra Suhendra Sulistiawati Sulistiawati Swasti Maharani, Swasti Tatang Herman, Tatang Teapon, Nurhuda Tirtayasa, Fajar Turmudi Turmudi, T Utari Sumarmo Vos, Hans Wijaksana, Aris Hadiyan Yelli Oktavien Yuliardi, Ricki Yumiati Zaenal Arifin Zafrullah, Zafrullah Zatman Payung Zulkardi Zulkardi

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