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Ariyadi Wijaya

Universitas Negeri Yogyakarta

Author-ID : 417171

Religion Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Library & Information Science Mathematics Social Sciences Other

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Realistic Mathematics Textbook Toward The Students’ Mathematical Generalization Skills Fevi Rahmawati Suwanto; Ariyadi Wijaya; Aprisal; Asri Fauzi; Yunda Victorina Tobondo
Mosharafa: Jurnal Pendidikan Matematika Vol. 12 No. 2 (2023): April
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/mosharafa.v12i2.784

Generalisasi merupakan ciri siswa dapat berpikir matematis. Guru dapat mengembangkan bahan ajar berbentuk buku teks untuk memfasilitasi kemampuan generalisasi. Penelitian ini merupakan hasil pengembangan model ADDIE yaitu tahap penerapan dan evaluasi, dengan produk berupa buku teks matematika kelas VIII semester genap yang berorientasi pada kemampuan generalisasi matematis siswa. Buku teks dengan pendekatan Pendidikan Matematika Realistik (RME) ini memuat lima prinsip meliputi eksplorasi fenomenologi, menjembatani dengan instrumen vertikal, kontruksi dan produksi siswa, interaktivitas, dan keterkaitan. Melalui alur kegiatan pemberian lebih dari satu konteks permasalahan, identifikasi kesamaan pola atau strategi hingga penarikan kesimpulan terkait materi, serta pemberian latihan soal pemodelan, buku teks ini telah memfasilitasi kemampuan generalisasi matematis. Berdasarkan hasil penerapan buku teks yang melibatkan 30 siswa kelas VIII salah satu SMP Negeri di Yogyakarta, persentase banyaknya siswa pada kategori good memenuhi batas minimal 75% yaitu mencapai 93,33%. Generalization is a feature that students can think mathematically. Teachers can develop teaching materials in the form of textbooks to facilitate generalization abilities. This study was the developmental stage of ADDIE model, namely the implementation and evaluation. The study produced a textbook for 8th grade even semester which was oriented to students' mathematical generalization skills. The textbook integrating a realistic mathematics education approach contained five principles including phenomenological exploration, bridging by vertical instruments, pupils’ own constructions and productions, interactivity, and intertwining. The flow of activities provided more than one problem context, identifying similarities in patterns or strategies to draw conclusions related to the material as well as modeling exercises to facilitate students' mathematical generalization abilities. Based on the results of textbook implementation involving 30 8th grade students from one of a state junior high school in Yogyakarta, the percentage of students in good category met the minimum point of 75%, which reached 93.33%.

Bibliometric Exploration of Ethnomathematics: Trends, Characteristics, and Future Directions Zea Zisman Usman; Ariyadi Wijaya
AL-ISHLAH: Jurnal Pendidikan Vol 16, No 2 (2024): AL-ISHLAH: JURNAL PENDIDIKAN
Publisher : STAI Hubbulwathan Duri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35445/alishlah.v16i2.5071

Ethnomathematics plays a very important role in life, especially in mathematics learning. Even so, ethnomathematics is still rarely known to the public. As a result, ethnomathematics research is still rarely carried out. So, ethnomathematics is a good topic to discuss in research. But before that, do an analysis first. So, researchers conducted analytical ethnomathematics research using bibliometrics to explore publication characteristics, find trends, and find future research directions in the field of ethnomathematics. The data used is sourced from the Scopus database. The science mapping steps taken are study design, data collection, data analysis, data visualization, and interpretation. From the analysis, 580 documents were obtained that had been published from 1984 to 2023 with the core of the study being learners, mathematical concepts, learning mathematics and physics. Based on this information, it is clear that ethnomathematics still needs to be explored more deeply, considering that most documents are not articles. As for the characteristics of ethnomathematics research, apart from the lack of material in the form of articles, it turns out that ethnomathematics, which is currently developing, is a learning system in mathematics. Even ethnomathematics can improve high-order thinking skills (HOTS). Apart from that, research on teaching, design, and thinking processes in ethnomathematics is still small but very important. Based on this information, the most suitable novelty for future ethnomathematics research is research on the design of ethnomathematics-based mathematics learning models.

Keefektifan model pembelajaran berbasis inkuiri ditinjau dari prestasi belajar dan kepercayaan diri dalam belajar matematika siswa SMP Lintuman, Aryadi; Wijaya, Ariyadi
Jurnal Riset Pendidikan Matematika Vol 7, No 1: May 2020
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jrpm.v7i1.17878

Penelitian ini bertujuan untuk mendeskripsikan keefektifan model pembelajaran berbasis inkuiri ditinjau dari prestasi belajar dan kepercayaan diri dalam belajar matematika siswa SMP. Penelitian ini adalah penelitian kuasi eksperimen dengan desain one-group posttest-only. Populasi penelitian ini adalah seluruh siswa kelas VII SMP Negeri 8 Yogyakarta yang terdiri dari 10 kelas. Penelitian ini menggunakan satu kelas yang terdiri dari 32 orang siswa sebagai sampel yang dipilih secara acak. Teknik pengumpulan data menggunakan teknik tes dan non tes. Instrumen pengumpulan data yang digunakan yaitu tes prestasi belajar dan angket kepercayaan diri dalam belajar matematika. Uji asumsi normalitas data menggunakan uji Kolmogorov-Smirnov satu sampel pada taraf signifikan α = 5%. Teknik analisis data untuk menguji keefektifan model pembelajaran ditinjau dari prestasi belajar dan kepercayaan diri dalam belajar matematika masing-masing menggunakan uji-t satu sampel pada taraf signifikan α = 5%. Hasil penelitian ini menunjukkan bahwa model pembelajaran berbasis inkuiri efektif ditinjau dari prestasi belajar dan kepercayaan diri dalam belajar matematika siswa. The effectiveness of the inquiry-based learning model in term learning achievement and self-confidence in learning mathematics of junior high school studentsAbstractThis research aimed to describe the effectiveness of the inquiry-based learning model in terms of learning achievement and self-confidence in learning mathematics of junior high school students. This study was a quasi-experimental with one-group posttest-only design. The population of this study was all students of 7th-grade of SMP Negeri 8 (Yogyakarta State Junior High School Number 8) consisted of ten classrooms. The research used a class consisted of 32 students as the sample that was randomly selected. The data was collected by using test and non-test techniques. The instruments to collect the data were an achievement test and a questionnaire about self-confidence in learning mathematics. The assumption test of data normality used the one-sample Kolmogorov-Smirnov test at 5% significant level. Data analysis techniques for the effectiveness of the learning model in terms of learning achievement and self-confidence in learning mathematics used the one-sample t-test at 5% significant level. The results of this study indicate that the inquiry-based learning model was effective in terms of students’ learning achievement and self-confidence in learning mathematics.

Kemampuan numerasi dan Growth Mindset siswa SMP dan Madrasah Tsanawiyah di Kabupaten Purworejo Wijaya, Ariyadi; Fanggidae, Janrino Junus Rivaldi; Setyaningrum, Wahyu
Jurnal Riset Pendidikan Matematika Vol 10, No 2: November 2023
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jrpm.v10i2.66831

Penelitian ini merupakan penelitian survei yang bertujuan untuk mendeskripsikan kemampuan numerasi dan tingkat growth mindset siswa SMP dan Madrasah Tsanawiyah di Kabupaten Purworejo. Penelitian dilakukan pada enam sekolah dengan total sampel sebanyak 171 siswa kelas VIII dari tiga SMP dan tiga Madrasah Tsanawiyah di Kabupaten Purworejo. Data dianalisis menggunakan estimasi parameter untuk melihat kemampuan numerasi dan tingkat growth mindset populasi serta uji korelasi untuk melihat hubungan kemampuan numerasi dan tingkat growth mindset siswa. Hasil penelitian menunjukan bahwa secara umum rata-rata skor kemampuan numerasi siswa berada dalam kategori perlu intervensi khusus dan tingkat growth mindset siswa berada dalam kategori sedang. Berdasarkan uji korelasi didapatkan hubungan antara kemampuan numerasi dan growth mindset siswa yang signifikan namun rendah.This research is survey research that aims to describe the numeracy abilities and growth mindset level of junior high school and Tsanawiyah students in Purworejo Regency. The research was conducted at six schools with a total sample of 171 class VIII students from three junior high schools and three Madrasah Tsanawiyah in Purworejo Regency. The data was analyzed using parameter estimates to see numeracy abilities and population growth mindset levels as well as correlation tests to see the relationship between numeracy abilities and students' growth mindset levels. The research results show that in general the average score of students' numeracy skills is in the category that requires special intervention and the level of students' growth mindset is in the medium category. Based on the correlation test, it was found that the relationship between numeracy ability and students' growth mindset was significant but low.

Designing a Hypothetical Learning Trajectory Based on Investigative Learning Ulfa, Charina; Wijaya, Ariyadi; Habibullah, Habibullah
EduMa: Mathematics education learning and teaching‏‏‎ Vol 10, No 1 (2021)
Publisher : Jurusan Tadris Matematika IAIN Syekh Nurjati Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24235/eduma.v10i1.8024

This research is a design research that aims to design a hypothetical learning trajectory based on investigative learning. This study’s subjects were students of class VII in a junior high school in Aceh Barat Daya, consisting of 32 students for the pilot experiment and 31 students for the teaching experiment. The selection of research subjects for these two classes used a random sampling technique. The data collection technique were carried out by observation, interview, and documentation. The research data were analyzed using qualitative analysis. This design research model consists of three stages: preparing for the experiment, experimental design, and retrospective analysis. The results showed that the hypothetical learning trajectory based on group investigative learning that has been designed can help students achieve learning goals. The learning trajectories produced in this study are (1) students can find the size of the object on the two sketchs by measuring and making comparisons of the two sketchs object values (the same amount); (2) students can find the form of the ratio from the size of the two sketchs and students can draw the conclusion that from the ratio value can be obtained the scale value; (3) students can determine the ratio of two different quantities of the investigative activity carried out and can write a form of direct proportion; and (4) students can distinguish the form of direct proportion and inverse proportion problems

The Effect of Comic-Based Realistic Mathematics Approach on Improving Skill of Students’ Concept Understanding Sipayung, Tetty Natalia; Simanjuntak, Sinta Dameria; Wijaya, Ariyadi; Sugiman, Sugiman
International Journal of Trends in Mathematics Education Research Vol 6, No 1 (2023)
Publisher : SAINTIS Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33122/ijtmer.v6i1.185

Learning that involved the daily life accompanied by interesting learning media can be used as an option to help students in learning, particularly in improving students' concepts understanding. It is possible to do by utilization of familiar media that are generally liked by students. One of them is comic. Therefore a research about learning by comic based realistic mathematical approach was carried out in order to find out its effect on improving the skills of students concepts understanding on fraction material. This study is a quasi-experimental research. The population of study are 7th grade students of SMP RK Serdang Murni Lubuk Pakam on Academic Year 2019/2020. The first class that consist of 31 students are categorized as the control class and the second class consist of 32 students are experimental class. The pre-test and post-test questions were provided as an instrument of study. The data were analyzed using the Anova and Welch Brown-Forsythe tests to proof the hypotesis. Moreover, normality test with Liliefors test and the homogeneity test with the Levene’s test. The results of this study stated that learning with comics-based realistics mathematical approach has a significant effect on improving the skills of students concept understanding.

The effect of culture-based mathematics learning instruction on mathematical skills: a meta-analytic study Zuliana, Eka; Dwiningrum, Siti Irene Astuti; Wijaya, Ariyadi; Hukom, Julham
Journal of Education and Learning (EduLearn) Vol 19, No 1: February 2025
Publisher : Intelektual Pustaka Media Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/edulearn.v19i1.21172

Culture-based mathematics learning (C-bMLI) has emerged as a promising approach to improving students' mathematical skills, yet previous research presents inconsistent findings regarding its efficacy compared to conventional methods. To address this gap, a meta-analytic study is needed to consolidate and present the latest insights regarding the impact of C-bMLI on students' mathematical skills. It also aimed to discern the factors influencing the effectiveness of C-bMLI implementation. Datasets were collected from primary studies published in internationally recognized journals or proceedings. By rigorously adhering to inclusion criteria, a collection of 45 effect sizes from 25 primary studies was identified. The results of this analysis, conducted using the random-effects approach, produced a substantial combined effect size of and . The evidence unequivocally substantiated that the employment of C-bMLI significantly contributed to the mathematical process, standing as a superior alternative to conventional learning methodologies. The results of the heterogeneity analysis of the moderator variables showed that factors such as the type of skills, educational tiers, country, publication year, and the variant of C-bMLI contributed to the observed variance, The variable of sample size did not exert a discernible impact on the effectiveness of the learning model.

Computational thinking skills profile in solving mathematical problems based on computational thinking attitude Richardo, Rino; Dwiningrum, Siti Irene Astuti; Murti, Rahayu Condro; Wijaya, Ariyadi; Adawiya, Robiatul; Ihwani, Ivan Luthfi; Ardiyaningrum, Martalia; Aryani, Anggi Erna
Journal of Education and Learning (EduLearn) Vol 19, No 2: May 2025
Publisher : Intelektual Pustaka Media Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/edulearn.v19i2.21643

The aim of this qualitative research is to describe the thinking process as a profile of students' mathematical computational thinking (CT) skills in terms of CT attitudes. The subjects in this study were 66 junior high school students in grade IX. There were three students taken by purposive sampling based on high, medium, and low CT attitude. The main research instrument was the researcher, while the auxiliary instruments were mathematical CT ability test and CT attitude scale questionnaire. Data analysis included 3 stages, namely data reduction, data presentation, and conclusion drawing. The data credibility test used triangulation techniques, namely tests and interviews. The results showed that subjects with high CT attitude were able to show all indicators of CT ability, namely abstraction, problem decomposition, algorithmic thinking and generalisation and pattern recognition. However, subjects with moderate and low CT attitudes were only able to show one of these indicators, namely abstraction. Based on the results of this study, researchers will create a mathematics learning model to develop CT skills, especially for number pattern material.

ANALISIS KEMAMPUAN JUSTIFIKASI MATEMATIKA SISWA SMA DALAM MENELAAH JAWABAN DARI CHATGPT PADA TIPE SOAL MAKING DECISION MATERI PERSAMAAN EKSPONENSIAL Putri, Lilis Risma; Wijaya, Ariyadi
Jurnal Pedagogi Matematika Vol 10, No 3 (2024): Jurnal Pedagogi Matematika
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpm.v10i3.20772

Penelitian ini bertujuan untuk mendeskripsikan kemampuan justifikasi siswa SMA dalam menelaah jawaban dari ChatGPT pada tipe soal making decision materi persamaan eksponensial. Metode yang digunakan dalam penelitian ini adalah deskriptif kualitatif. Penelitian ini dilaksanakan di salah satu SMA di Yogyakarta. Subjek dalam penelitian ini diambil dengan purposive sampling yakni siswa yang berasal dari kemampuan kognitif tinggi, sedang, dan rendah serta sudah memperoleh pembelajaran terkait persamaan eksponensial. Pada penelitian ini, subjek penelitian diambil sebanyak 68 siswa. Teknik pengumpulan data menggunakan instrumen tes uraian yang disusun berdasarkan DIVINE Framework, panduan observasi, dan pedoman wawancara yang telah divalidasi. Analisis data dalam penelitian ini menggunakan model Creswell dengan langkah-langkah mengumpulkan data mentah, mengorganisasikan dan menyiapkan data yang akan dianalisis, membaca seluruh data, mengkodekan data (coding), mengonstruksi antartema, dan menyimpulkan. Berdasarkan penelitian yang telah dilakukan, diperoleh bahwa mayoritas kemampuan justifikasi matematika siswa dalam menelaah jawaban ChatGPT pada tipe soal making decision berada pada level rendah hingga sedang. Siswa belum memiliki pemahaman matematis yang baik terkait konsep persamaan eksponensial. Selain itu, siswa juga belum memiliki kemampuan komunikasi matematis yang baik pada saat membuat justifikasi terhadap jawaban ChatGPT. Oleh karena itu metode pembelajaran yang mendorong diskusi, pemecahan masalah, dan refleksi dapat membantu siswa mengembangkan kemampuan justifikasi matematika.

Mempengaruhi Keputusan Calon Pelamar CPNS Dosen Melalui Webinar Kiat Sukses Memilih Formasi Arma Wangsa; Ince Rezky Naing; Hajra Yansa; Achmad Salido; Gusti Arviana Rahman; Andi Mulawakkan Firdaus; Ariyadi Wijaya
Jurnal Pengabdian kepada Masyarakat Nusantara Vol. 6 No. 1 (2024): Jurnal Pengabdian kepada Masyarakat Nusantara (JPkMN) Edisi September - Desembe
Publisher : Cv. Utility Project Solution

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

There are prospective applicants for Civil Servant Candidate (CPNS) positions, particularly for lecturer roles, who still feel uncertain about the formations they plan to apply for. This uncertainty stems from several factors, including the time and selection process, the number of available positions, the number of applicants, and the passing score threshold. In light of these considerations, this article seeks to explain how the webinar on tips for successfully choosing lecturer formations influenced the decisions of prospective CPNS applicants in selecting a formation. The webinar was conducted in three main phases: pre-implementation, implementation, and evaluation. The results of this community service initiative show that the webinar influenced the decisions of prospective CPNS lecturer applicants in choosing a formation. Before attending the webinar, only about 30.8% felt confident in their decision, but after attending, this percentage increased to around 93.3%. Participants who were initially unsure about their choices became more confident after the webinar, with two main outcomes. The first was that participants became more confident in their original choice, and the second was that participants felt confident to switch to another formation.

Co-Authors Abadi , Agus Maman Abdur Rahman As’ari Adawiya, Robiatul Afifah Nur Indah Sari Ai Sadidah Andini, Anggia Dwi Angga Kristiyajati Aoyama, Kazuhiro Aprisal, Aprisal Ardiyaningrum, Martalia Arma Wangsa ARTHUR BAKKER Aryani, Anggi Erna Asri Fauzi Ayu Arfiana Caturiyati Caturiyati Cholis Sa’dijah Diah Ayu Indraningtias Diena Frentika Dyahsih Alin Sholihah Edy Bambang Irawan Eka Zuliana Eki Rahmad Elmaini Elmaini Elmaini Elmaini, Elmaini Ernawati Ernawati Erni Puji Astuti Fanggidae, Janrino Junus Rivaldi Farida Hanum Fevi Rahmawati Suwanto Firdaus, Andi Mulawakkan Gusti Arviana Rahman Habibullah, Habibullah Hajra Yansa Heri Retnawati Heru Tri Novi Rizki Idza Nudia Linnusky Irfan Hilmi Ivan Luthfi Ihwani, Ivan Luthfi Ivone Marlinda Julham Hukom Kazuhiro Aoyama Khasanah Nur Hidayah Lintuman, Aryadi Maria Evarista Oktaviane Barut Barut Marsigit Marsigit Marwa Astriani Kamsurya MICHIEL DOORMAN Michiel Doorman MICHIEL DOORMAN, MICHIEL Mohamad Salam Mujiyem Sapti Mujiyem Sapti Muqoddaroh, Fadillatul Naing, Ince Rezky Neni Ferli Yanti Nindy Fadlila Nurhayati, Elis PAUL DRIJVERS Purwanto Purwanto Purwanto Purwanto Purwanto Putri, Lilis Risma Raden Rosnawati Rahayu Condro Murti Rahma Dewi Indrayanti Rahmi Ramadhani Riawan Yudi Purwoko Rino Richardo Rino Richardo Rizqona Maharani, Rizqona Rosalia Hera Novita Sari Safira, Silvie Salido, Achmad Santos, Mariano Dos Simanjuntak, Sinta Dameria Siti Irene Astuti Dwiningrum Siti Mufidah Suci Pawening Gati Sugiman Sugiman Sugiman Sugiman Sugiman Sugiman Sugiman Susiswo Tista Sugiarti Tuharto, Tuharto Ulfa, Charina Vevi Arini Azizatus Sufaidah Wahyu Setyaningrum Wahyudi, Andi Widi Astuti Winda Nur Akhadya Wiwik Haryanti Yusuf Rahmat Setyawan Zea Zisman Usman

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