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Yaya S. Kusumah

Universitas Pendidikan Indonesia, Bandung, Indonesia

Author-ID : 303105

Arts Humanities Computer Science & IT Education Languange, Linguistic, Communication & Media Mathematics Public Health Social Sciences Other

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METODE KONSTRUKSI UNTUK MENYELESAIKAN MASALAH TATA LETAK FASILITAS Kusumah, Yaya Sukjaya
Jurnal Pengajaran MIPA Vol 2, No 2 (2001): JPMIPA: Volume 2, Issue 2, 2001
Publisher : Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18269/jpmipa.v2i2.34911

The facility layout design problem is concerned with determining the location of a number of facilities which optimises a prescribed objective such as profit, cost, or distance. This problem arises in many applications; for example, in design of buildings and in plant layout design. Most approaches for solving this problem are heuristic in nature and based on graph theoretic concepts. Graph theoretically, when the objective is to maximize profit, the facility layout design problem is to determine, in a given edge weighted graph G, a maximum weight planar sub graph. In this paper, a new heuristic based on graph theoretic concepts is presented. A comparative analysis based on 3600 random test problems demonstrates the value of this algorithm.

PENDEKATAN METAKOGNITIF UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR REFLEKTIF MATEMATIS SISWA SMA Nindiasari, Hepsi; Kusumah, Yaya Sukjaya; Sumarmo, Utari; Sabandar, Jozua
Edusentris Vol 1, No 1 (2014): Maret
Publisher : Universitas Pendidikan Indonesia

Penelitian ini bertujuan menelaah peranan pendekatan metakognitif, level sekolah, dan kemampuan awal matematik, terhadap pencapaian dan peningkatan kemampuan berpikir reflektif matematiksiswa SMA. Studi ini adalah bagian dari satu penelitian disertasi yang melibatkan 201 siswa yang berasal dari tiga SMA dari level tinggi, sedang, dan rendah di Tanggerang. Studi mengambil disain pretes-postes dan kelompok kontrol dan memberikan tes kemampuan awal matematik dan tes kemampuan berpikir reflektif matematik. Studi menemukan bahwa terhadap pencapaian dan peningkatan kemampuan berpikir reflektif matematik, pendekatan metakognitif memberikan peran terbesar dibandingkan dengan peran pembelajaran biasa, peran level sekolah dan peran kemampuan awal matematik. Akan tetapi peran kemampuan awal matematik bersifat tidak konsisten terhadap pencapaian dan peningkatan kemampuan berpikir reflektif matematik. Temuan lainnya adalah secra keseluruhan dan pada tiap level sekolah, pencapaian dan peningkatan kemampuan berpikir reflektif matematik, siswa yang mendapat pembelajaran dengan pendekatan metakognitif lebih baik dari pada siswa yang memperoleh pembelajaran biasa. Selain itu ditemukan pula tidak ada interaksi antara pendekatan pembelajaran dan level sekolah dan antara pendekatan pembelajaran dan kemampuan awal matematik terhadap pencapaian dan peningkatan kemampuan berpikir reflektif matematik.Kata kunci:pendekatan metakognitif, berpikir reflektif matematik.

Implementation of Brain-Based Learning Web-Assisted to Improve Students Mathematical Reasoning Dewi, Nuriana Rahmani; Kusumah, Yaya Sukjaya
Unnes Journal of Mathematics Education Vol 6 No 1 (2017): Unnes Journal of Mathematics Education
Publisher : Department of Mathematics, Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/ujme.v6i1.13646

Tujuan penelitian ini adalah untuk menganalisis secara komprehensif peningkatan kemampuan penalaran matematis mahasiswa sebagai akibat dari penerapan Brain-Based Learning Berbantuan Web dan pembelajaran konvensional. Metode penelitian yang digunakan adalah metode campuran (mixed method) dengan concurrent embedded design sebagai desain penelitian. Populasi dalam penelitian ini adalah seluruh mahasiswa Jurusan Matematika salah satu perguruan tinggi di Semarang Jawa Tengah, sedangkan sampelnya adalah para mahasiswa yang sedang menempuh Mata Kuliah Kalkulus Integral, baik yang berasal dari Program Studi Matematika maupun Program Studi Pendidikan Matematika. Sampel diambil dari masing-masing program studi secara acak sehingga didapatkan dua kelompok, satu kelompok eksperimen yang mendapatkan Brain-Based Learning Berbantuan Web dan satu kelompok yang mendapatkan pembelajaran konvensional. Kesimpulan yang didapat dari penelitian ini adalah peningkatan kemampuan penalaran matematis mahasiswa yang mendapatkan Brain-Based Learning Berbantuan Web lebih baik daripada mahasiswa yang mendapatkan pembelajaran konvensional. The main purpose of this research is to analyze comprehensively the enhancement of the studentsâ€™ mathematical reasoning as the result of the implementation of web-assisted brain-based learning and conventional learning. This research used mixed method by combining quantitative and qualitative methods under concurrent embedded design. The population of this research consisted of all students in the mathematics department of one of universities in Central Java. The sample was groups of students in the Study Program of Mathematics and Mathematics Education who enrolled in Integral Calculus course. From these two study programs, two sample groups (experiment group and control group) were selected randomly. An experiment group was taught by using web-assisted brain-based learning, while the other group (control group) was taught by using conventional learning. From this research, it can be concluded that the enhancement of the studentsâ€™ mathematical reasoning who were taught by using web-assisted brain-based learning are better than the achievement and enhancement of those who were taught by using conventional learning.

Concept of Triangle: Examples of Mathematical Abstraction in Two Different Contexts Farida Nurhasanah; Yaya S. Kusumah; Jozua Sabandar
International Journal on Emerging Mathematics Education IJEME, Vol. 1 No. 1, March 2017
Publisher : Universitas Ahmad Dahlan

Geometry has abstract notions to be learnt so that all those notions cannot be just transferred into students' mind like a bunch of information that should be memorized. Students need to construct those concepts during their learning process. This process of knowledge construction can be considered as an abstraction process. This study aimed to qualitatively compare abstraction process of students who learned the topic of triangle in conventional method and in van Hiele model of teaching aided by Geometers' sketchpad. Subjects of this study were junior high school students in grade 7. This is a qualitative study with grounded theory design. Data were collected through classroom observation, test, and task-based interview. Results of the study show that theoretical abstraction processes tend to dominate classrom with conventional method of teaching while classroom with van Hiele model of teaching aided by Geometers' sketchpad accommodated empirical abstraction process of the students.

Perceptions of Prospective Mathematics Teachers on Online Learning during Covid-19 Pandemic: Difficulties, Strategy, and Satisfaction Rohati; Harina Fitriyani; Yaya S. Kusumah
Jurnal Pendidikan Indonesia Vol 12 No 3 (2023): September
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jpiundiksha.v12i3.55898

The emergence of the Covid-19 pandemic has created a great degree of uncertainty about the future of education and has required teachers and students to shift from face-to-face to online learning. This study analyze prospective mathematics teachers' perceptions of online learning. This research was conducted using a survey method to see the perceptions of prospective mathematics teachers in online learning mode. Respondents comprised 953 prospective mathematics teachers from 34 provinces in Indonesia, consisting of 172 men and 781 women. Instruments used to collect data were questionnaires and open questions. Based on the percentage results of each of the findings of this study, the data is presented and analyzed more qualitatively. There are three main findings in this study. First, prospective mathematics teachers experience problems in online learning, namely problems with technology, networking, internet quota, motivation and self-management, lecturer constraints, number of courses, socioeconomic factors, learning resources, interactions with peers, and health problems. Second, prospective teachers have strategies to overcome this, including increasing peer collaboration, managing study time, and optimizing learning resources. Third, prospective teachers express dissatisfaction with the implementation of online learning and the reasons for this dissatisfaction. This research has implications for teachers and prospective mathematics teachers to understand online learning by utilizing ICT and increasing efforts to be independent.

Pengaruh Minat dan Kemandirian Belajar terhadap Hasil Belajar Siswa pada Pembelajaran Matematika secara Daring Tirtayasa, Fajar; Kusumah, Yaya S; Suhendra, Suhendra
PELITA JURNAL PENELITIAN DAN KARYA ILMIAH Vol 22 No 2 (2022): Juli - Desember 2022
Publisher : UNIVERSITAS ISLAM SYEKH - YUSUF TANGERANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33592/pelita.v22i2.1722

Studentsâ€™ learning achievement cannot be separated from their interest and self-regulated learning. This research aims to analyze the effect of studentsâ€™ interest and self-regulated learning on their learning achievement in online mathematics learning. The design used in this study is a survey research design with a quantitative approach and descriptive correlational method. The research subjects involved in this study were 30 grade-IX students in one of junior high schools in the city of Bandung, who were selected by using cluster random sampling techniques. Research data were collected through questionnaire, tests, and interviews. Questionnaires are used to obtain data on studentsâ€™ interest and their self-regulated learning, tests are used to obtain data on studentsâ€™ learning outcomes, whereas interviews are used to support and strengthen the results of the questionnaire. Data analysis in this study uses regression analysis which requires the fulfillment of the classical assumption test. The results of this study indicate that: (1) the studentsâ€™ learning interest has a significant effect on their learning achievement in online mathematics learning; (2) the studentsâ€™ self-regulated learning has no significant effect on their learning achievement in online mathematics learning; and (3) the studentsâ€™ learning interest and their self-regulated learning have a significant effect on their learning achievement in online mathematics learning.

Tren penelitian kemampuan pemecahan masalah pada pendidikan matematika: Analisis bibliometrik Wahyuni, Astri; Kusumah, Yaya Sukjaya; Bambang Avip Priatna Martadiputra; Zafrullah, Zafrullah
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 7 No. 2 (2024): Maret
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v7i2.22329

This research aims to look at research trends on the topic of problem solving abilities in mathematics education. This research used 204 documents searched in the Scopus database, with the analysis technique used, namely bibliometric analysis using RStudio and Vosviewer. From the results that have been analyzed, it can be concluded that this research started from 1976 to 2023, with an increase of 6.69% every year. The most productive affiliates are Katholieke Universiteit Leuven, Monash University, The Chinese University of Hong Kong, and Semarang State University. Journal of Mathematical Behavior and ZDM - International Journal on Mathematics Education were ranked highest h-index. Hegarty & Kozhevnikov (1999) discussing types of visual-spatial representation and their relationship to solving mathematical problems, with the highest total citations. STEM, Programming, Mathematics Curriculum, and Computational Thinking being the recommended keywords to use if you want to conduct research on the topic of problem solving abilities in mathematics education.

Students’ Mathematical Literacy Based On Visual Learning Style At Junior High School Rizki, Lussy Midani; Kusumah, Yaya S.; Nurlaelah, Elah; Kusaka, Satoshi
Jurnal Akademik Pendidikan Matematika Volume 9, Nomor 2, November 2023
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Dayanu Ikhsanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55340/japm.v9i2.1579

Mathematical literacy is the ability that students must have to face 21st-century challenges. Related to this, students have learning styles that influence the way students absorb and process information, namely: Visual, auditory, and kinesthetic. This research focuses on describing the mathematical literacy of junior high school students in each indicator classified from the visual learning style. This type of research is descriptive qualitative research. The steps in this study were to compile the learning style questionnaire sheet and mathematical literacy tests; ask students to fill out questionnaires and ability tests; and analyze the results of the learning style questionnaire and student answers on mathematical literacy tests. The subject of the study consisted of 49 class VIII junior high school students, and then the subject was reduced to 6 students. The findings show that: 1) Students with visual learning styles have mathematical literacy in the range of levels 1 to level 2; 2) Visual students have characteristics of answering briefly and difficulty choosing words. The results of this study can be used as consideration in determining treatment in the teaching and learning process in class to increase student mathematical literacy.

Analisis Kemampuan Spatial Siswa Sekolah Menengah Pertama Berdasarkan Teori Hubert Maier Teapon, Nurhuda; Kusumah, Yaya S
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 6 No. 2 (2023): Matematika dan Pendidikan Matematika: Permasalahan dan Solusinya
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v6i2.2796

Spatial Ability berperan penting dalam mengembangkan kemampuan matematika siswa. Siswa yang memiliki kemampuan spatial yang baik tampil lebih baik dalam matematika daripada siswa dengan kemampuan spasial yang kurang baik. Spatial ability atau kemampuan spasial terdiri dari beberapa elemen. Berdasarkan teori Hubert Maier, beberapa elemen spatial ability adalah persepsi spasial, visualisasi, rotasi mental, hubungan spasial, dan orientasi spasial. Penelitian ini dilakukan dengan menggunakan metode deskriptif kualitatif. Tujuan dari penelitian ini adalah menganalisis keterampilan spasial siswa sekolah menengah pertama berdasarkan teori Peter Hubert Maier. Dalam penelitian ini menggunakan metode kualitatif dan siswa sekolah menengah pertama kelas IX menjadi subjek penelitian. Berdasarkan analisis data yang ditemukan dilapangan, ditemukan bahwa keterampilan spasial umum siswa cukup lemah. Melihat permasalahan yang dihadapi oleh siswa tersebut, langkah selanjutnya dari penelitian ini adalah merancang dan melakukan eksperimen yang berfokus pada pembelajaran matematika, yang secara khusus ditujukan untuk meningkatkan kemampuan spasial siswa.

Mathematical Refractive Thinking Ability in Multivariable Calculus: Instrument Design and Quality of Use Yenti, Isra Nurmai; Kusumah, Yaya S; Dahlan, Jarnawi Afgani
IndoMath: Indonesia Mathematics Education Vol 4, No 2 (2021)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v4i2.2

Mathematical refractive thinking ability must be given in every lecture because it is needed in decision making. This study aims to produce a quality mathematical refractive thinking ability instrument, especially for calculus material. Instrument quality is measured in terms of validity and reliability. Content validity, construct validity and face validity were assessed by three material experts. The instrument was tested by 32 mathematics education students to measure empirical validity and reliability. This research resulted in three items of mathematical refractive thinking ability tests that are valid and have instrument reliability in the medium category.

Co-Authors 'Ulya, Zahratul Aan Hasanah Aan Hendroanto Adjis, Vidia Amalia 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 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 Finola Marta Putri Fitriyani, Harina Florida Moza, Florida Gí¼rbí¼z, Ferit Gunadi, Farid Harina Fitriyani Hendriyanto, Agus Hepsi Nindiasari Heri Sutarno Idrus Alhaddad Ilham Muhammad Isra Nurmai Yenti Jarnawi Afgani Dahlan Jozua Sabandar Jozua Sabandar Kartika Yulianti Kurnia Putri Sepdikasari Dirgantoro Kurniati Kurniati Kusaka, Satoshi Kusnandi Kusnandi Kusnandi, Kusnandi Kyaruzi, Florence Lussy Midani Rizki 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 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, 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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