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All Journal MATEMATIKA Statistika Journal of Education and Learning (EduLearn) Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Journal of the Indonesian Mathematical Society AKSIOMA: Jurnal Program Studi Pendidikan Matematika Jurnal Teknologi Informasi dan Ilmu Komputer Jurnal Ekonomi & Studi Pembangunan Suska Journal of Mathematics Education Proceedings Education and Language International Conference Indonesian Journal of Applied Statistics Journal of Mathematics and Mathematics Education (JMME) JTAM (Jurnal Teori dan Aplikasi Matematika) Journal of Education Technology M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika Vygotsky: Jurnal Pendidikan Matematika dan Matematika BISECER (Business Economic Entrepreneurship) Southeast Asian Mathematics Education Journal Jurnal Bumigora Information Technology (BITe) Jurnal TIKOMSIN (Teknologi Informasi dan Komunikasi Sinar Nusantara) Budapest International Research and Critics in Linguistics and Education Journal (Birle Journal) Indonesian Journal of Instructional Media and Model Journal of Applied Data Sciences Jurnal Pengabdian kepada Masyarakat Prosiding Seminar Nasional Teknik Elektro, Sistem Informasi, dan Teknik Informatika (SNESTIK) Industrial Research Workshop and National Seminar Pancaran Pendidikan Prosiding Konferensi Nasional Penelitian Matematika dan Pembelajarannya Jurnal Indonesia Sosial Teknologi JRAMathEdu (Journal of Research and Advances in Mathematics Education) Jurnal Pendidikan MIPA Radiant : Journal of Applied, Social, and Education Studies International Journal of Computing Science and Applied Mathematics-IJCSAM

Sri Subanti

Program Studi Statistika, Universitas Sebelas Maret, Surakarta 57126

Author-ID : 385817

Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Physics Public Health Social Sciences Other

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PENGELOLAAN SAMPAH DI GEDUNG TPA QURROTA A'YUN DUKUH TLOBONGAN, BENTAK, SIDOHARJO, SRAGEN Isnandar Slamet; Winita Sulandari; Irwan Susanto; Etik Zukhronah; Sugiyanto, Sugiyanto; Sri Subanti; Adigama Tri Nugraha; Aji Susanto
J-ABDI: Jurnal Pengabdian kepada Masyarakat Vol. 4 No. 4: September 2024
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53625/jabdi.v4i4.8472

Pengelolaan sampah di Indonesia menghadapi tantangan besar akibat urbanisasi dan pertumbuhan populasi yang pesat, dengan sebagian besar sampah dibuang tanpa proses pengolahan yang memadai. Penelitian ini bertujuan meningkatkan kesadaran dan perilaku positif dalam pengelolaan sampah di TPA Qurrota A'yun melalui pendidikan karakter dan solusi pintar. Metode yang digunakan mencakup survei awal, penyusunan materi, sosialisasi, penyediaan fasilitas tempat sampah, serta pelatihan dan praktek langsung. Hasil survei awal menunjukkan rendahnya pengetahuan dan kesadaran peserta tentang pengelolaan sampah. Setelah sosialisasi, terjadi peningkatan signifikan dalam pemahaman dan perilaku peserta, dengan 50% membuang sampah di tempat yang sesuai dan 87,5% mengetahui cara memilah sampah. Kesadaran lingkungan juga meningkat menjadi 96,9%. Dampak positif terlihat dari lingkungan yang lebih bersih dan peningkatan kesadaran lingkungan serta pendidikan karakter. Hasil ini menegaskan pentingnya pendidikan dan fasilitas yang memadai dalam pengelolaan sampah yang berkelanjutan.

Mathventure SPLDV : Developing an Educational Math Game to Improve Students’ Critical Thinking Skills Permatasari, Dinda Agnes; Subanti, Sri; Pramudya, Ikrar
Vygotsky: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 2 (2025): Vygotsky: Jurnal Pendidikan Matematika dan Matematika
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/voj.v7i2.1243

This study aims to develop and evaluate Mathventure SPLDV, an Android-based educational game to enhance eighth-grade students’ critical thinking on Systems of Linear Equations in Two Variables. The study used the ADDIE model in a Research and Development (R&D) approach. Data were collected using questionnaires and essay tests, and analyzed using a paired samples t-test after meeting normality and homogeneity assumptions. Validation from media and material experts showed high validity (87.78% and 93.63%), while student and teacher responses showed high practicality (89.26% and 96%). A significant improvement in critical thinking was found (t = 2.638 > 1.6698), indicating H₀ rejection. Based on the results, Mathventure SPLDV is recommended for classroom use as an effective tool to support students’ critical thinking

Scaffolding for Algebra Errors From the Perspective of Emotional Quotient Hervilia, Era; Subanti, Sri; Pramudya, Ikrar; Nugroho, Purwo Setiyo
Jurnal Pendidikan MIPA Vol 25, No 1 (2024): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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

Abstract: Mathematical understanding, particularly algebra, is essential in education. One effort to reduce student errors in learning can be achieved through an in-depth study of the relationship between students' emotional intelligence and the learning process. Emotional intelligence in learning mathematics is the ability to control one's emotions, manage, and express emotions towards others. Emotional intelligence is crucial for understanding the lessons delivered by the teacher. This research aims to investigate the relationship between student errors and the level of emotional intelligence by applying scaffolding to middle school students. The method used in this study is the correlational research method because it aims to determine the relationship between variable X (emotional intelligence) and variable Y (errors). The study population consisted of eighth-grade students at SMPN 1 Saradan in the 2022/2023 academic year, distributed in one class with a total of 30 students. From this class, 3 students were randomly selected as samples using purposive sampling technique. The instruments used in this research were an emotional intelligence questionnaire about mathematics and a mathematics error test on algebra material. The data processing and analysis technique in this study used correlation tests. The results of the correlation test in this study show that there is a significant relationship between emotional intelligence in mathematics and students' mathematical errors, with a correlation coefficient of 0.887, indicating a strong correlation. Based on these results, the conclusion can be drawn that students with high, moderate, and low emotional intelligence will produce better mathematics learning outcomes with the application of scaffolding. This activity is crucial, especially for teachers to understand students' difficulties and errors, aligning with the teachers' ability to better recognize students' characteristics. Keywords: emotional quotient, newman’s errors, algebraic arithmetic operations, scaffolding.DOI: http://dx.doi.org/10.23960/jpmipa/v25i1.pp236-247

ANALYSIS OF UNEMPLOYED YOUTH IN INDONESIA BY PANEL DATA REGRESSION WITH MODERATING VARIABLE Subanti, Sri; Amanda, Nabila Tri
Journal of the Indonesian Mathematical Society Vol. 30 No. 3 (2024): NOVEMBER
Publisher : IndoMS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jims.30.3.1803.338-351

Indonesia is entering the era of demographic bonus with the productive age dominating the population. Productive age is the main focus of the government in maximizing the demographic dividend, but Indonesia has the highest percentage of Not in employment, education or training (NEET) in Asia. NEET are people on 15 â 24 years old who do other activities outside of school, work or training. This study aims to analyze NEET in Indonesia using panel data with moderate regression analysis. The analysis of multiple linear regression is focused on the relationship between the independent and dependent variables without taking into other possible outcomes. By inserting a moderating variable, this study explores the relationship between the independent and dependent variables differently and aims to strengthen or weaken it. Under certain conditions, the relationship between the independent and dependent variables can be explained by the moderating variable. The research data used were obtained from the employment book and the website of BPS Indonesia, in the form of 34 cross section and 5 years time series data that tends to be stationary. The dependent variable is NEET with 5 independent variables including Human development index, the open unemployment rate, labor force participation rate, proportion of individuals who own phone, and proportion of informal employment. The moderating variable is the proportion of youth aged with ICT skills. The best model in regression analysis panel data is FEM with 4 significant independent variables and 92.75% of R-square. Moderating variable can moderates the relationship of NEET with its independent variables and increased the R-square to 94.19%.

Description of Junior High School Students’ Mathematical Understanding According to Skemp Theory in terms of Rational Personality Types Rachmawati, Intan; Subanti, Sri; Usodo, Budi
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 7, No 2 (2023): April
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v7i2.13179

Mathematical understanding is one of the supporting factors for students' success in mathematics. Skemp divides understanding into two types, namely instrumental understanding and relational understanding. This research purpose was to describe the mathematical understanding of seventh grade D students in solving set problems based on Skemp's theory of understanding in terms of rational personality types. The type of research used was descriptive qualitative. This research was conducted at Junior High School Darul Aman Mataram of 2021/2022 academic year. Selection of subjects using a purposive sampling technique. The subjects in this study were two students with rational personality types. Data were obtained using a mathematical understanding test and interviews. The study's results showed that students with rational personality types tend to have a relational understanding because they can explain reasons or interpret problem-solving procedures according to the set concept correctly. In addition, students are able to understand the purpose of the given set of problems, can apply ideas according to the logic of thinking in solving problems, can write problem solving procedures coherently according to Skemp's theory even though they tend to be brief, can solve mathematical understanding problems accompanied by appropriate answer arguments, can change mathematical sentences in the given problem in the form of words, images, or certain mathematical symbols. Furthermore, this type can achieve all of the indicators of instrumental understanding and can fulfill the six indicators of relational understanding, except for the ability to correlate several set concepts. Based on these results, it is expected that rational personality type students can determine detailed planning in solving problems, and improve understanding of mathematical concepts such as being more careful in the use of solution strategies so that students are accustomed to applying various solution strategies.

Combined Model of Markov Switching and Asymmetry of Generalized Seasonal Autoregressive Moving Average Conditional Heteroscedasticity for Early Detection of Financial Crisis in Hong Kong Sugiyanto Sugiyanto; Sri Subanti; Isnandar Slamet; Etik Zukhronah; Irwan Susanto; Winita Sulandari; Nabila Churin Aprilia
(IJCSAM) International Journal of Computing Science and Applied Mathematics Vol. 10 No. 2 (2024)
Publisher : LPPM Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24775401.ijcsam.v10i2.4541

The financial crisis in Hong Kong occurred in 1997 and 2008. To prevent a crisis or reduce the impact of a crisis, action is needed through early detection of the crisis using export indicator. The combination of Markov Switching and Asymmetric Generalized Seasonal Autoregressive Moving Average Conditional Heteroscedasticity (MS-AGSARMACH) models explains the crisis well. The results show that the MSAGSARMACH(2,1,1) model can explain past and future crises well.

Forecasting of Indonesian Crude Prices using ARIMA and Hybrid TSR-ARIMA Etik Zukhronah; Winita Sulandari; Sri Subanti; Isnandar Slamet; Sugiyanto Sugiyanto; Irwan Susanto
(IJCSAM) International Journal of Computing Science and Applied Mathematics Vol. 10 No. 2 (2024)
Publisher : LPPM Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24775401.ijcsam.v10i2.4563

Forecasting of Indonesian crude prices (ICP) is crucial for the government and policymakers. It helps them develop appropriate economic policies, budget allocations, and energy strategies. Forecasting methods that can be used are Time Series Regression (TSR) and Autoregressive Integrated Moving Average (ARIMA). This study aims to forecast ICP using ARIMA and hybrid TSR-ARIMA models. The data used in this study is the ICP per month, from January 2017 to November 2022. The data is divided into two groups, the data from January 2017 to December 2020 is used as training data, and the data from January 2021 to November 2022 is used as testing data. The MAPE values for the testing data of the TSR-ARIMA(2,1,0) and ARIMA(2,1,0) models are 8.24% and 17.37% respectively. Based on this, it can be concluded that the TSR-ARIMA(2,1,0) model is better than the ARIMA(2,1,0) model for forecasting ICP.

Early Detection Of Currency Crisis In Indonesia Based On Jci Indicator Using A Combination Of Volatility And Markov Switching Models Berlyana Ayu Prasasti; Sugiyanto Sugiyanto; Sri Subanti
Jurnal Indonesia Sosial Teknologi Vol. 4 No. 3 (2023): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v4i3.608

Currency crises have occurred in Indonesia in 1997-1998 and 2008, causing significant losses both in terms of economy and social life. Therefore, a system is needed that can detect currency crises to create economic and currency stability. Crises can be detected through economic indicators such as Indonesia Stock Exchange Composite Index (IDX Composite) or Jakarta Composite Index (JCI). This study aims to determine the appropriate model and to predict the currency crisis in Indonesia from November 2022 to October 2023 based on the JCI indicator. The study begins by forming an AR model, then a volatility model in the form of an ARCH model, and finally a combined volatility model and Markov switching two-state model. This combined model is then used to form a smoothed probability that can detect crises. The results of the study indicate that the MS-ARCH(2,1) model is the appropriate model, and from the detection results, it is found that Indonesia will not experience a currency crisis from November 2022 to October 2023.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/voj.v7i2.1243

A Systematic Literature Review of Ethnomathematics-Based Card Games in Mathematics Learning Evi Yunia Nugraheni; Sri Subanti; Triyanto
Indonesian Journal of Instructional Media and Model Vol 8 No 1 (2026): Indonesian Journal of Instructional Media and Model
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/ijimm.v8i1.7961

Ethnomathematics-based card games are a mathematics learning innovation that integrates local cultural elements to create contextual and meaningful learning experiences. However, previous research is limited and has not comprehensively mapped the integration between game design, cultural context, and mathematical abilities through a Systematic Literature Review (SLR) approach. This study aims to describe game design, gameplay, regional culture, materials, educational level, and mathematical abilities developed through ethnomathematics-based card games. This study used a Systematic Literature Review approach with the PRISMA protocol. A Google Scholar search yielded 636 initial articles, which were then selected based on inclusion and quality criteria, resulting in 13 articles for analysis. The results indicate that card games, developed in both analog and digital formats, incorporate cultural contexts such as traditional games, local food, cultural motifs, and traditional houses, and are predominantly used in elementary and junior high schools. The use of this medium contributes to improving students' conceptual understanding, numeracy skills, problem-solving skills, and learning motivation. This study provides a comprehensive synthesis of the design, implementation, and impact of ethnomathematics-based card media as a basis for developing innovative and contextual mathematics learning.

Co-Authors A.A. Ketut Agung Cahyawan W Abdul Aziz Abdul Aziz Abdul Aziz Hidayat Achmad Nurrofiq Achmad Nurrofiq Adi Wicaksono, Nanda Adigama Tri Nugraha Aflich Yusnita Fitrianna Aflich Yusnita Fitrianna Agus Supriyanto Ahmad Abdul Mutholib Aji Susanto Amalia Zulvia Widyaningrum Amanda, Nabila Tri Ambarawati, Mika Amiratih Siti Aisyah Andhika, Niken Dwi Anggraira, Attilah Suci Annisa Swastika Annur, M. Firman Anwar Ardani Aprilia, Nabila Churin Arianto, Febri Arif Rahman Hakim Arif Rahman Hakim Arif Rahman Hakim Arif Rahman Hakim Arifa Apriliana Arifa Apriliana, Arifa Ariska Yuliana Putri Ariska Yuliana Putri Arsita Anggraeni Pramesti Arum Dwi Rahmawati Dwi Rahmawati, Arum Dwi Rahmawati Dwi Assyifa Lala Pratiwi Hamid Astuti, Arinda Tri Astuti, Indra Puji Atika Amalia Attilah Suci Anggraira Aulia Rizki Destarani Ayu Rahmawati Bastian Al Ravisi Berlyana Ayu Prasasti Brilliyanti, Fanny Brilliyanti, Fanny Budi Santosa Budi Santosa Budi Santosa Budi Usodo Budi Usodo Budi Usodo Budi Usodo Budi Usodo Budi Usodo Budi Usodo Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono Budiyono, Budiyono Budiyono, Budiyono Danar Supriadi Desi Tri Utami, Desi Tri Diana Tri Purnamasari Dini Yuniarti Dwi Ambarwati, Dwi Dwi Retnowati Dwi Retnowati Dyah Auliya Agustina Endang Widiyastuti Era Hervilia Etika, Erdyna Dwi Evi Yunia Nugraheni Exacta, Annisa Prima Fajar Suryatama Farida Nurhasanah Fhadilla, Nahdatul Fitri Apriyani Pratiwi, Fitri Apriyani Fitri Era Sugesti Fitria, Camelina Fitriana Anggar Kusuma Fitriana, Laila Getut Pramesti Giant Aprisetyani Giant Aprisetyani H Hartatik, H Hendriyanto, Agus Hervilia, Era Hidayati, Aulia Maulani Syifa Nur Husna Afanyn Khoirunissa Iffah, Rona Dhiya Layli Ikrar Pramudya Ikrar Pramudya, Ikrar Imam Sujadi Indra Raditya , Dionisius Intan Novia Sari Intan Novia Sari Irwan Susanto Irwan Susanto Isnaini, Bayutama Isnandar Slamet Isnandar Slamet Isnandar Slamet, Isnandar Kadar, Jimmy Abdel Karina Pramitasari Karina Pramitasari, Karina Kartikaningtyas, Nafiqoh Elsa Katherine Her Pratiwi Khafittulloh Viqriah Khafittulloh Viqriah, Khafittulloh Khoiriyah, Nor Kumarahadi, Brigitta Melati Kurnianto, Iwan Kurniasih, Rini Kurniati, Edy Dwi Lestari, Fajar Lina Muawanah, Lina Mahmudah Titi Muanifah Mahmudah Titi Muanifah Mahmudati, Rina Maratu Shalikhah Maratu Shalikhah, Maratu Mardiyana Mardiyana Marfuah, Ismiyati Mida Nurani Mika Ambarawati Mohamad Nur Fauzi Muhammad Bayu Nirwana Muhammad Wildan Fadilah Mulyadi Mulyadi Mulyadi Mulyadi Nabila Churin Aprilia Ningsih, Maya Kristina Nirwana, Muhammad Bayu Nopiana, Medi Nor Khoiriyah Novi Dya Meylasari Nugraha, Titis Jati Nugroho, Purwo Setiyo Nuraini, Latifah Nurudin, M. Pardede, Hilman Ferdinandus Permatasari, Dinda Agnes Prabowo, Haniftia Haqqiendini Pramesti, Arsita Anggraeni Pratiwi, Fitri Apriyani pratiwi, hasih Proborini, Ellen Purna Bayu Nugroho Purnamasari, Anita Pusaka, Semerdanta Putra Adi Wibowo Putra Adi Wibowo Rachmawati, Intan Rahmaningrum, Asti Rahmita Ika Sari Raodatul Jannah Raodatul Jannah Rara Sugiarti Ratih Kusumaningrum Ratih Kusumaningrum Reka Pramukti Reka Pramukti, Reka Respati wulan Respatiwulan, Respatiwulan Retno Anggraheni Ria Wahyu Wijayanti Rina Mahmudati Riyadi Riyadi Riyadi Riyadi Riyanto, Nandyar Fisthi Riyanto, Nandyar Fisthi Rizky Wahyudi Salsabila, Nais Qonita Sandhy Prasetyo Tito Kurniawan Sandhy Prasetyo Tito Kurniawan, Sandhy Prasetyo Satrio Wicaksono Sudarman Savitri, Maria Endah Savitri, Maria Endah Septiana Wijayanti Setiaputra, Felix Indra Sri Adiningsih Sri Sulistijowati Handajani Sugesti, Fitri Era Sugianto Sugianto Sugiyanto - Sugiyanto Sugiyanto Sugiyanto Sugiyanto Sugiyanto, Sugiyanto Sulandari, Winita Sumantri, Astri Wiliastri Susilotomoa, Dhestahendra Citra Titik Yuniarti Triyanto Triyazulfa, Azkiya Umi Fadlilah, Umi Umi Supraptinah Umi Supraptinah, Umi Veronica Sri Wigiyanti Veronica Sri Wigiyanti Very Hendra Saputra Virlina Zuhanisani Wahyuni, Fina Tri Wahyuni, Fina Tri Wahyuningtyas, Widyana Wardani, Endang Purwati Wardani, Endang Purwati Widyana Wahyuningtyas Wihasti Imas Priyandani Wihasti Imas Priyandani, Wihasti Imas Winita Sulandari Winita Sulandari Winita Sulandari Wulandari, Lina Yadi Ardiawan Yadi Ardiawan Yudho Yudhanto Yudho Yudhanto Yudho Yudhanto, Yudho Yuliana Susanti Yuliana Susanti, Yuliana Yuniarti, Titik Yusnita Rahmawati Yusnita Rahmawati Zainal Arifin Zuhanisani, Virlina Zuhdha Basofi Nugroho Zuhdha Basofi Nugroho, Zuhdha Basofi Zukhronah, Etik

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