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All Journal International Journal of Evaluation and Research in Education (IJERE) Jurnal Infinity Kontinu: Jurnal Penelitian Didaktik Matematika AKSIOMA: Jurnal Program Studi Pendidikan Matematika JIPM (Jurnal Ilmiah Pendidikan Matematika) Phenomenon : Jurnal Pendidikan MIPA PYTHAGORAS: Jurnal Program Studi Pendidikan Matematika Journal of Research and Advances in Mathematics Education JPPM (JURNAL PENELITIAN DAN PEMBELAJARAN MATEMATIKA) JP3 (Jurnal Pendidikan dan Profesi Pendidik) AKSIOMA E-Dimas: Jurnal Pengabdian kepada Masyarakat Majalah Lontar Al-Jabar : Jurnal Pendidikan Matematika Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Ilmiah Pendidikan Fisika Indonesian Journal of Science and Mathematics Education Formatif: Jurnal Ilmiah Pendidikan MIPA JPMI (Jurnal Pendidikan Matematika Indonesia) JURNAL PENDIDIKAN TAMBUSAI Journal on Education M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika FINANSIA : Jurnal Akuntansi dan Perbankan Syariah Adzkiya : Jurnal Hukum dan Ekonomi Syariah Indonesian Journal of Community Services Imajiner: Jurnal Matematika dan Pendidikan Matematika Dedikasi: Jurnal Pengabdian Masyarakat Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika KONSEP DAN TUJUAN PADA TINJUAN BISNIS SYARIAH Didaktika: Jurnal Kependidikan Mosharafa: Jurnal Pendidikan Matematika Jurnal Abdimas Bina Bangsa International Journal of Research in Education (IJRE) Journal of Advanced Sciences and Mathematics Education Innovative: Journal Of Social Science Research Pelita: Jurnal Pengabdian kepada Masyarakat Jurnal Kualita Pendidikan JRAMathEdu (Journal of Research and Advances in Mathematics Education) Jurnal Infinity Jurnal Pendidikan MIPA
Nizaruddin Nizaruddin
Department Of Mathematics Education, Universitas PGRI Semarang
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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PENGARUH MINAT NASABAH TERHADAP PRODUK DEPOSITO Fahlevi, Muhammad Ryan; UmpuSinga, Hasrun Afandi; Nizaruddin, Nizaruddin; Anjasari, Dwi Puspa
FINANSIA : Jurnal Akuntansi dan Perbankan Syariah Vol 5 No 1 (2022): FINANSIA : Jurnal Akuntansi dan Perbankan Syariah
Publisher : Fakultas Ekonomi Dan Bisnis Islam IAIN Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32332/finansia.v5i01.4625

Abstract

This study has the aim of knowing the effect of interest in the Influence of Customer Interest on Deposit Products, this research was conducted at the Islamic People's Financing Bank Metro Madani Metro Head Office (BPRS Metro Madani KP Metro), BPRS Metro Madani KP Metro is one of the financial institutions based In sharia, there are several fund-raising products that use the profit-sharing principle that is offered, one of which is a deposit product. The research was conducted by regression analysis. The population in this study was 207 people using the Slovin formula, a sample of 69 people was obtained. The results of the study conclude that the hypothesis is fulfilled, namely customer interest has a positive and significant effect on the product, with an R Square of 0.748.
A Needs Analysis of Problem-Based Learning Media Using the Design Thinking Framework to Improve Critical Thinking Sri Rahayu; Aryo Andri Nugroho; Nizaruddin
Jurnal Penelitian Pendidikan IPA Vol 11 No 9 (2025): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i9.12415

Abstract

Low mathematics achievement in Indonesian secondary schools persists despite ongoing curriculum reforms. This study employed a Design Thinking–guided mixed-method inquiry to analyse instructional needs and co-create a multimedia Problem-Based Learning (PBL) model that fosters critical thinking. Three purposively selected schools in Batam contributed three mathematics teachers and forty-two students. Data were gathered through two rounds of semi-structured interviews, classroom observations, and Google-Form questionnaires. Qualitative coding during the Empathise and Define stages revealed four central issues: limited transfer of concepts to problem contexts, weak foundational mastery, mismatch between learning media and student preferences, and scarce collaborative support. Only 7.2 % of students felt competent, whereas 83.3 % acknowledged frequent computational errors and 80 % were unable to apply formulas. Students preferred group discussion (67.7 %), peer tutoring (51.6 %), and audio-visual media (45.2 %). In the Ideate stage, a PBL sequence aligned with the TPACK framework was prototyped and pilot-taught in each school. Observation indicated that 67.7 % of learners participated actively in group problem-solving, while post-lesson feedback showed 74.4 % experienced clearer conceptual understanding when multimedia and peer support were combined. Teachers reported improved lesson flow and greater responsiveness to heterogeneous ability levels. The study concludes that Design Thinking, coupled with media-rich PBL, can realign pedagogy with stakeholder needs, strengthen critical-thinking dispositions, and serve as a replicable model for mathematics instruction in similar contexts. Future work should examine long-term learning gains, scalability across diverse regions, and professional development structures required to sustain technology-enhanced PBL adoption. Such evidence will clarify policy guidelines and funding priorities for equitable implementation nationwide.
Evaluating the Impact of Web-Assisted Teaching at the Right Level (TaRL) in Improving Mathematical Problem Solving Skills Rinayanti Budi Harpeningtyas; Nizaruddin; Ida Dwijayanti
Didaktika: Jurnal Kependidikan Vol. 14 No. 2 Mei (2025): Didaktika Jurnal Kependidikan
Publisher : South Sulawesi Education Development (SSED)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58230/27454312.1914

Abstract

This research was motivated by the observed low ability of students to solve mathematical problems effectively. To address this issue, the Teaching at the Right Level (TaRL) approach, which adapts instruction based on students’ current learning levels, was applied in combination with web-assisted learning tools to enhance engagement and accessibility. The web-assisted TaRL approach integrates adaptive teaching with online materials such as concept maps, interactive videos, and assessments tailored to student needs. The study aimed to evaluate the effect of this approach on students’ mathematical problem-solving skills. Using a posttest-only control group design, 70 students were purposively sampled and divided into an experimental group (34 students) receiving the web-assisted TaRL intervention, and a control group (36 students) undergoing conventional learning. The assessment consisted of three validated descriptive questions measuring problem-solving ability. Results showed that the experimental group achieved a higher average score (82.45) compared to the control group (65.65). Both groups met assumptions of normality and homogeneity, confirming the appropriateness of parametric testing. The independent samples t-test revealed a statistically significant improvement (p < 0.05) in the experimental group’s problem-solving skills. While these findings support the effectiveness of the web-assisted TaRL approach, limitations include the relatively small sample size and short intervention duration. Future research should consider larger, more diverse populations and explore long-term effects to strengthen generalizability and further optimize the integration of technology in adaptive learning.
School ARventure: A design thinking framework for gamified augmented reality mathematics learning for students with intellectual disabilities Erika Kurniasari; Ida Dwijayanti; Nizaruddin
Journal of Advanced Sciences and Mathematics Education Vol. 6 No. 1 (2026): Journal of Advanced Sciences and Mathematics Education
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jasme.v6i1.1082

Abstract

Background: Students with intellectual disabilities often experience difficulties in learning mathematics due to limitations in working memory, challenges in processing abstract symbols, and the limited availability of adaptive learning media in special education settings. In many special schools, mathematics instruction still relies on static physical manipulatives that provide limited opportunities to connect abstract mathematical ideas with meaningful learning experiences. Aims: This study aims to propose a conceptual design framework called School ARventure, a gamified Augmented Reality mathematics learning environment integrated with a three-dimensional school model to support contextual mathematics learning for students with intellectual disabilities. Method: This research employed a qualitative design guided by the Design Thinking framework, focusing on the stages of Empathize, Define, and Ideate. Data were collected through classroom observations, questionnaires, and semi structured interviews involving teachers and students from three special education schools. The instruments were validated by experts, and the data were analyzed using thematic analysis to identify learning barriers, user needs, and design requirements. Results: The study produced an initial design framework addressing three main needs: concrete visualization of numerical quantities, reduced motor demands in measurement activities, and simplified representation of mathematical word problems. Three AR based features were conceptualized: AR Counting Adventure, AR Length Virtual Ruler, and Animated Story Quest, integrated with a physical school model as a contextual anchor. Conclusion: The findings present School ARventure as a Design Thinking based framework for gamified Augmented Reality mathematics learning for students with intellectual disabilities and provide a foundation for future prototype development and empirical evaluation.
Identification of Student Misconceptions on Electrical Material Using the Certainty of Response Index (CRI) Method Rachmat Karno Utomo; Fenny Roshayanti; Nizaruddin Nizaruddin; Harto Nuroso; Siti Patonah
Jurnal Ilmiah Pendidikan Fisika Vol 9, No 3 (2025): OCTOBER 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jipf.v9i3.15974

Abstract

Students' ability to analyze abstract topics using their critical thinking skills depends on their understanding of the related concepts. Many science concepts are not well-developed, leading to misconceptions among many students. The mixed-methods approach in this study involved administering a diagnostic test within a quantitative framework, followed by the researcher providing assessments and justifications, along with each student's level of confidence. In the qualitative methodology, the researcher conducted interviews with several students to gather data on the underlying causes of misconceptions regarding electricity. Based on the overall results of the students' answers, the percentage of students who experienced misconceptions about the electricity material was 18% and was classified as low. Meanwhile, the results of the students' answers to each question showed that the percentage of misconceptions most frequently experienced by students was for question number four, which had a 38% response rate, with the question indicator explaining changes in electrical energy. According to one of the students' answers, they experienced misconceptions because the multiple-choice options provided incorrect answers, and the reasons for these incorrect answers were also incorrect. However, the student was confident in their answer, resulting in a CRI score greater than 2.5, which falls into the high category. Some students experience misconceptions because the concepts they receive from teachers are not fully understood, the learning methods used by teachers are not yet able to bridge students who have limitations in understanding and differences in learning styles, the use of textbooks by teachers in learning does not provide a comprehensive or complete explanation so that children feel they have a piecemeal understanding, and the learning activities carried out by teachers in developing skills and collaboration between students are not yet fully apparent.  
Implementation Design Thinking in Google Sites with TaRL-Approach to Improve Mathematical Problem-Solving Skills Rinayanti Budi Harpeningtyas; Nizaruddin Nizaruddin; Ida Dwijayanti
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 10 No. 4 (2025): Mathline : Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v10i4.1029

Abstract

The 21st century requires individuals toahaveatheaabilityato think_comprehensively, especially in criticalaandacreative_thinking. The result of the PISA study show that the literacy skills of Indonesian student are still relatively low, including in terms of numeracy or mathematical problem solving. Preliminary data shows that most students have a "normal" feeling about math lessons (45%) and feel less confident when-learning maths (47.2%). Teachers also face difficulties in providing learning materials that_are in-accordanceawith the level of students' abilities due to heterogeneity in the classroom. Thisastudyaaimsatoadetermine theaeffectivenessaofagoogleasites-basedalearning media with the integration of design thinking and ADDIE as a development approach, as well as using the Teaching at the Right Level-(TaRL) method in media preparation. The stages  of empathize, -define, ideate, aprototype, aandatestainadesignathinking are combined with the-ADDIE (Analysis,aDesign,aDevelopment,aImplementation, Evaluation) cycleatoaproduceamediaathatasuits the needs of students. The-subject ofathis study-is a-grade XI-student of State High School 4 Semarang. The results of data analysis showed anaincreaseainathe-mathematical problem-solving-abilityaofastudents with an-N-Gainascoreaofa0.7 (high-category) and t-test results of 1.711 which is greater than the t-table of 1.67. In addition, thearesultsaofatheaanalysisaof-the classical-learning-completenessatest show that theaproportion of completeness of materialistic problem ability is achieved. Theoretically, this research contributes to the study of technology-based learning with the application of TaRL, and is able to support constructivistic theory and effectively improve students' mathematical problem-solving skills.
Design of Assessment Instrument for Mathematical Critical Thinking Indicators-Based Essay Questions for Vocational and High School Students Using the Rasch Model Jarot Rudi Hartato; Nizaruddin Nizaruddin; Lukman Harun
JURNAL PENDIDIKAN MATEMATIKA Vol. 9, No. 2: November 2025
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/kontinu.9.2.208-233

Abstract

This research aims to create a measurement tool for Critical Thinking Skills (CTS) in mathematics. The instrument was analysed using the Rasch model. The analysis was conducted to determine the results of the content validity test (item suitability), reliability test, dimensionality test (construct validity), person separation test, and item separation, and to analyse the items' difficulty level. This research uses the R&D model with the 4D model. Data collection methods through interviews with two teachers, literature studies to determine CTS indicators, questionnaire validation of CTS test instruments, and CTS test questions given to students. The sampling technique used was saturated sampling. The indicators of CTS are Interpretation, analysis, evaluation, and inference. The results for each instrument item are valid; construct validity is good, reliability is sufficient, and Cronbach's alpha is 0.68. The results of the person separation analysis show that students are divided into two groups, and item separation shows that the questions are divided into five groups. The measure (logit value) analysis results show that the interpretation indicator question is easy, the analysis indicator question is very difficult, the evaluation indicator question is moderate, and the inference indicator question is difficult. This research fills the literature gap by developing CTS indicator-based instruments validated by the RASCH approach, which has not been widely applied in SMA / SMK. Keywords: Critical Thinking, Test Instrument, Rasch Model
Inhouse Training Penerapan Pembelajaran Mendalam Melalui Koding dan Kecerdasan Artifisial bagi Guru SMP Negeri 37 Semarang Nizaruddin Nizaruddin; Fenny Roshayanti; Sutrisno Sutrisno; Muhtarom Muhtarom; Muhammad Syaipul Hayat
Pelita: Jurnal Pengabdian kepada Masyarakat Vol. 6 No. 2 (2026): Pelita: Jurnal Pengabdian kepada Masyarakat
Publisher : Perkumpulan Kualitama Edukatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51651/pjpm.v6i2.583

Abstract

The development of information technology demands a transformation of the education system to produce graduates who are adaptive to the digital era. This article aims to document and analyze the effectiveness of the Inhouse Training (IHT) program in improving the competency of teachers at SMP Negeri 37 Semarang in implementing coding and Artificial Intelligence (AI)-based deep learning. Using a participatory collaborative method with a needs-based approach, this program includes stages of socialization, offline training, implementation of Appropriate Technology (TTG), and intensive mentoring for three months. The results of the community service show a significant increase in teacher professional capacity, with a material usefulness score reaching 3.84 (96%) and participant satisfaction of 3.8 (95%). This intervention successfully transformed the teacher paradigm from limited digital literacy to the ability to develop contextual and innovative deep learning-based learning tools.
EFEKTIVITAS PEMBELAJARAN MULTI REPRESENTASI TERHADAP KEMAMPUAN KOMUNIKASI SISWA DALAM MENYELESAIKAN MASALAH Khoirunisa, Jihan Afifah; Nizaruddin, Nizaruddin; Prasetyowati, Dina
JP3 (Jurnal Pendidikan dan Profesi Pendidik) Vol 11, No 1 (2025): JP3 (Jurnal Pendidikan dan Profesi Pendidik)
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/jp3.v11i1.22781

Abstract

Salah satu kemampuan yang sangat penting untuk diperhatikan dalam pembelajaran matematika adalah kemampuan komunikasi matematis siswa. Penelitian ini bertujuan untuk mengkaji efektivitas pembelajaran Multi Representasi terhadap kemampuan komunikasi matematis siswa SMP dalam menyelesaikan masalah matematika, dibandingkan dengan pembelajaran konvensional. Berdasarkan tujuan tersebut penelitian ini termasuk penelitian kuantiatif. Pengambilan data dilakukan pada siswa kelas VIII di SMP Negeri 26 Semarang yang dipilih dengan cara cluster random sampling. Subyek yang dilipih dalam penelitian ini dua kelas yaitu kelas VIII E dan kelas VIII F. Teknik pengumpulan data yang digunakan adalah metode tes dan wawancara. Teknik analisis data yang digunakan adalah uji t independen, uji t satu pihak dan uji ngain. Hasil penelitian ini diperoleh : (1) terdapat perbedaan kemampuan komunikasi siswa dalam menyelesaikan masalah yang menggunakan pembelajaran Multi Representasi dan pembelajaran secara konvensional, (2) kemampuan komunikasi siswa dalam menyelesaikan masalah yang menggunakan pembelajaran Multi Representasi lebih baik dari pembelajaran secara konvensional.
Co-Authors Achmad Buchori Afifah, Yuni Nur Agnita Siska Pramasdyahsari Agnita Siska Pramasdyahsari, Agnita Siska Al Ashari, Shoib Rizal Al Khaedar, Istian Diaz Aldira Eka Fauzanah Ali Shodiqin Anggi Tristianti Anjasari, Dwi Puspa Aprilianawati, Diah Mutiara Arisyanti, Dyah Ayu Aryan Eka Prastya Nugraha, Aryan Eka Prastya Aryo Andri Nugroho Astuti, Nisa Atma, Singgih Rudi Aurora Nur Aini Aurora Nur Aini Baldemor, Milagros Bayty, Sherly Danisa Putri Indriyani Devarosary, Vifta Dewi Handayani Dewi Widya Astuti Dewi Wulandari Dewi Wulandari Dewi, Grahita Sukma Dhian Endahwuri, Dhian Dina Prasetyawati Dina Prasetyowati Djoko Purnomo Drifanda, Valdyan Duwi Nuvitalia Dwi Mayangsari Dwi Puspa Anjasari Eko Sugiyono Emi Rahmawati Endah Puji Astuti, Endah Puji Erika Kurniasari Evi Suprihatin Handayani Evinia Kusuma Dewi Fadella, Eki Firda Fahlevi, Muhammad Ryan Farida Nursyahidah Fauzi, Wawan Fenny Roshayanti Fiki Kholilatun FX. Didik Purwosetiyono Habibah, Novalin Hapsari, Vania Sita Harto Nuroso Hasrun Afandi UmpuSInga Hayat, M Syaipul Hendrisa Adrillian Heni Purwati Hidayah, Putri Aniyatul Hudah, Maftuhin Ida Dwijayanti Jarot Rudi Hartato Khaerunisa, Indah Khoirunisa, Jihan Afifah Khusnul Fajriyah Kristiawan, Dhoni Kurniawan, Fatheh Anandito Kurniawan, Rizki Lely Kurniawati, Annisa Lilik Ariyanto Linda Koes Puji Astuti Loesy Poerhandajani Lukman Hakim Lukman Harun M. Saifuddin Zuhri, M. Saifuddin Maqfiroh, Siti Lailiyatul Marheinna, Adinda Muhammad Prayito Muhammad Rico Aulya Muhammad Saifuddin Zuhri Muhammad Syaipul Hayat Muhtarom Mujiasih Mujiasih muna, hidayatul Murgiwati, Murgiwati Murtianto, Yanuar Heri Mustaqfiroh Nihara Aulyana Utami Noora Qotrun Nada, Noora Qotrun Noviana Dini Rahmawati, Noviana Dini Novita Ayu Andani Nugraha, Aryan Eka Prasetya Nur Asiyah Nurfitriani, Anisa Nurina Happy Pertiwi, Nabila Ayu Pramasdyahsari, Agnita Siska Putri, Anggraini Silvia Putri, Zhafarina Maulida Qauliyah, Dewi Sesanti Rachmat Karno Utomo Rahmatika Diah Silvia Rahmawati, Fadila Rahmawati, Nur Indah Rasiman Rasiman Ratnasari, Dede Febriani Rinayanti Budi Harpeningtyas Rizky Esti Utami, Rizky Esti Rosita Kusumawati Ruliani, Iva Desi Sa’diyah, Uswatun Sari, Eva Martia Savitri, Anting Sa’adah, Aulia Naili Selviana, Mina Tika Septiyana, Linda Sri Rahayu Sri Wening Handriastuti Sri Wening Handriastuti Sudargo Sugiyanti Sugiyanti Sulistiawati, Yuni Sumarno . Sumarno Sumarno Supandi Supandi Suseno, Y. Gatot Aji Sutrisno Sutrisno Sutrisno, Sutrisno Tristianti, Anggi Umpusinga, Hasrun Afandi Utomo, Rachmat Karno Wahidiyah, Nur Ayu Yanuar Hery Murtianto Yanuar Hery Murtianto Yanuar Hery Murtianto Yanuar Hery Murtianto