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Rully Charitas Indra Prahmana

Universitas Ahmad Dahlan, Yogyakarta, Indonesia

Author-ID : 344090

Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Team Accelerated Instruction, Initials and Problem-Solves Ability In Junior High School Widodo, Sri Adi; Purnami, Agustina Sri; Prahmana, Rully Charitas Indra
International Journal on Emerging Mathematics Education IJEME, Vol. 1 No. 2, September 2017
Publisher : Universitas Ahmad Dahlan

This research aims to test the effectiveness of the Team Accelerated Instruction (TAI) towards the ability of the students to solve mathematics problems based on theirÂ initial ability. This study is an experiment with 367 students involved as the research sample taken using the clusterÂ technique. The research variable is the problem-solving ability, the initial ability, and the learning model. Analysis of variance was used to analyze the data which leads to the conclusions that (1) the TAI is more effective than theÂ Direct Instruction (DI); (2) the students having moderate initial ability performed better compared to the lower and the higher initial ability; (3) among the students with moderate initial ability, TAIÂ was more effective to be used thanÂ DI; and (4) in the implementation of Â TAI and DI, the problem solving ability of the students is relatively similar.

Adversity Quotient in Mathematics Learning (Quantitative Study on Students Boarding School in Pekanbaru) MZ, Zubaidah Amir; Risnawati, Risnawati; Kurniati, Annisah; Prahmana, Rully Charitas Indra
International Journal on Emerging Mathematics Education IJEME, Vol. 1 No. 2, September 2017
Publisher : Universitas Ahmad Dahlan

The aim of this study is to analyze studentsâ Adversity Quotient (AQ) in mathematics learning viewed from gender aspect. This study is quantitative survey study on students in MTs Al-Munawarah Boarding School, Pekanbaru. The subjects of study are 8th grade students consisting ofÂ 75 girls and 63 boys. Data are collected by AQ scale and analyzed with statistic descriptive and inferential (test-t). The indicator of AQ consist of control, origin, ownership, reach and endurance.Â The result of descriptive analysis shows that there is difference in mean of each indicator for two groups, but analysis of test-tÂ shows that there is no difference in studentsâ mathematical AQ for two group of gender. Through variance test, studentsâ mathematical AQ in two groups is homogeneous. The indicator of AQ in boys which is categorized as high are endurance and reach. While, the indicator in girls is aspect of control. This study contributes to literature study in identifying studentsâ AQ and the effort done to enhance studentsâ AQ in mathematics learning.

How Students Solves PISA Tasks: An Overview of Studentsâ Mathematical Literacy Hendroanto, Aan; Istiandaru, Afit; Syakrina, Nisa; Setyawan, Fariz; Prahmana, Rully Charitas Indra; Hidayat, Agus Sofian Eka
International Journal on Emerging Mathematics Education IJEME, Vol. 2 No. 2, September 2018
Publisher : Universitas Ahmad Dahlan

This article aims to investigate how mathematics education students in Universitas Ahmad Dahlan solve PISA mathematics problems. This research used the descriptive method with the qualitative approach and supported with quantitative data. Research subjects were 20 new students of mathematics education at Universitas Ahmad Dahlan in the 2016/2017 academic year. We translated the 2012 PISA instrument and used it to collect data on studentsâ mathematical literacy skills and to identify their difficulties. All the data were analyzed based on PISAâs framework. The result shows that, in general, 65.7% of students were able to understand the problems and plan their strategies to solve them. Meanwhile, only 46.9% among them could answer correctly. In addition, only 36.8% of the students were able to understand the level 6 problems while only 23.7% among them answered correctly. The students performed well in the interpretation process towards the problems with individual and social contexts. However, they found difficulties in the formulation and employment process of the problems, especially in the work and scientific context.

Single Subject Research: Implementasi Pembelajaran Berbasis Masalah terhadap Pemahaman Matematis Siswa Ulfah, Alfiatun Fitriani; Prahmana, Rully Charitas Indra
Jurnal Elemen Vol 4, No 1 (2018): Jurnal Elemen
Publisher : Universitas Hamzanwadi

This study aims to determine the factors of studentâs learning difficulties and the implementation of problem-based learning to studentâs mathematical understanding. Subjects in this study is the student of class VIII A SMP Muhammadiyah 6 Yogyakarta. The techniques of data collection used observation and interview to determine the factors of learning difficulties and evaluation methods to determine studentâs mathematical understanding ability. Type of research used is single subject research with basic design of A-B. The results of this study indicate that the studentâs learning difficulties experienced by students is caused by social factors that is from a classmate. Furthermore, problem-based learning can improve studentâs mathematical understanding. It can be seen from the average score obtained by the student before the treatment given that is 28.5 and increased to 94 after treatment.

Desain Pembelajaran Logaritma untuk Siswa SMA Kelas X Lestari, Resti Madiana; Prahmana, Rully Charitas Indra
Jurnal Gantang Vol 3 No 1 (2018): Pembelajaran dan Media Pembelajaran Matematika yang Inovatif
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan dan Ilmu Pendidikan Universitas Maritim Raja Ali Haji

Tujuan penelitian ini adalah untuk mengetahui peran desain pembelajaran logaritma dalam pengenalan konsep logaritma dan mengetahui hasil belajar siswa dalam pembelajaran logaritma melalui Lembar Aktivitas Siswa (LAS) berbasis pendekatan pembelajaran Pendidikan Matematika Realistik (PMR). Penelitian ini menggunakan metode penelitian design research, yang dilaksanakan di salah satu Sekolah Menengah Atas di Yogyakarta. Instrumen yang digunakan adalah instrumen tes tertulis, video, dan catatan lapangan. Hasil penelitian menunjukkan bahwa pada pertemuan ke-1 dan ke-2 siswa beradaptasi dengan desain pembelajaran yang diterapkan. Pada pertemuan selanjutnya, siswa dapat mengikuti kegiatan pembelajaran dengan lebih baik. Selain itu, hasil belajar siswa menunjukkan bahwa nilai rata-rata yang diperoleh siswa adalah 77,5 dengan frekuensi ketuntasan 65,6%.

Kemampuan Konservasi Panjang Pada Siswa Usia 6-7 Ramda, Apolonia Hendrice; Prahmana, Rully Charitas Indra; Mulu, Hildegardis; Gunur, Bedilius
Jurnal Gantang Vol 3 No 2 (2018): September
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan dan Ilmu Pendidikan Universitas Maritim Raja Ali Haji

Penelitian ini bertujuan untuk mendeskripsikan kemampuan konservasi panjang pada siswa yang memiliki usia 6-7 tahun di Kabupaten Manggarai. Penelitian ini merupakan penelitian deskriptif kualitatif dengan sampel yang diambil secara acak sejumlah 80 anak. Siswa yang berusia 6 tahun berjumlah 40 anak, begitu juga dengan siswa yang berumur 7 tahun, yang diambil dari SD di Kabupaten Manggarai. Instrumen yang digunakan dalam penelitian ini berupa angket konservasi panjang yang berisi pernyataan-pernyataan mengenai berbagai kondisi yang menjelaskan konsep konservasi panjang. Setiap anak diberi tes kemampuan konservasi panjang kemudian dilanjutkan dengan wawancara mengenai alasan memberi jawaban pada tes konservasi tersebut. Hasil penelitian menunjukkan bahwa golongan konserver pada siswa yang berusia 6 tahun sebesar 0% dan 7 tahun sebesar 7,5%. Selanjutnya, golongan konserver parsial pada siswa yang berusia 6 tahun sebesar 7,5% dan 7 tahun sebesar 22,5%. Selain itu, untuk golongan non-konserver pada siswa yang berusia 6 tahun sebesar 92,5% dan 7 tahun sebesar 70%. Hasil ini menunjukkan kemampuan konservasi panjang pada siswa yang memiliki usia 6-7 tahun di Kabupaten Manggarai masih rendah dan sebagian besar belum memahami konsep konservasi panjang. Kata kunci: konservasi panjang; siswa usia 6-7 tahun; deskriptif kualitatif The purpose of this study was to describe the ability of Manggaraian children of age six to seven in length conservation area. This research is a qualitative descriptive study. The random sampling technique was used to select 80 children, consisted of 40 children per age. The instrument of this research was a length conservation questionnaire containing statements about conditions that explain the concept of length conservation. Each child was given a length conservation skill test followed by an interview about the reasons for providing answers to the conservation test. The results showed that none of the six-year-old children was conserver, only 7.5% were partial conserver, and 92.5% were non-conserver. For seven-year-old children, 7.5% were conserver, 22.5% were partial, and 70% were non-conserver. These results indicate the lengthy-term conservation ability of children age six to seven in Manggarai Regency is still low and most have not understood the concept of length conservation. Keywords: length conservation; student of age 6 to7; qualitative descriptive

KEMAMPUAN OPERASI HITUNG PERKALIAN DAN PEMBAGIAN SISWA TUNAGRAHITA KELAS X SMA Nuari, Laila Fatika; Prahmana, Rully Charitas Indra
JOURNAL OF SONGKE MATH Vol 1 No 1 (2018): June Edition
Publisher : STKIP Santu Paulus Ruteng

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

The aim of this research is to know the ability of a student with mental retardation class X Senior High School in the SLB Bhakti Kencana 1 Berbah in resolving about multiplication and division operation of natural numbers. Research methods that were used the descriptive research to see student activity at the finish the same questions are given by researcher. The data was undertaken by using the video recorder to see the processing of student and test the the view student ability. The results obtained by student may be imperfect while doing the test and difficult to count multiplication and division operation. A Student could not connect the division or multiplication operation with another operation. Seen in change the repeated addition become the multiplication, a student could not be doing well. In addition a student not careful in counting and not focusing on doing the test problems.  

Peningkatan Kemampuan Penalaran Matematis Siswa Menggunakan Pendekatan Pendidikan Matematika Realistik Lestari, Indah; Prahmana, Rully Charitas Indra; Wiyanti, Wiwik
Jurnal Inovasi Pendidikan Dasar Vol 1 No 2 (2016): June
Publisher : Universitas Muhammadiyah Prof. Dr. HAMKA Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/jipd.v1i2.16

Penelitian ini bertujuan untuk mengetahui perbedaan rata-rata N-Gain kemampuan penalaran matematis antara siswa yang memperoleh pembelajaran matematika dengan pendekatan pendidikan matematika realistik dan siswa yang memperoleh pembelajaran matematika dengan pendekatan konvensional. Penelitian ini menggunakan metode eksperimen semu dengan non-equivalent control group designyang dilaksanakan di salah satu SMP Swasta kelas VII di Tangerang. Instrumen yang digunakan adalah instrumen tes yang telah valid berupa soal tes awal dan tes akhir yang berbentuk uraian dengan reliabilitas kategori tinggi. Hasil penelitian menunjukkan bahwaterdapat perbedaan yang signifikan rata-rata N-Gain kemampuan penalaran matematis antara siswa yang memperoleh pembelajaran matematika dengan pendekatan pendidikan matematika realistik dankelas yang memperoleh pembelajaran matematika dengan pendekatan konvensional. Rata-rata N-Gain kemampuan penalaran matematis siswa yang memperoleh pembelajaran matematika dengan pendekatan pendidikan matematika realistik lebih tinggi dibandingkan siswa yang memperoleh pembelajaran matematika dengan pendekatan konvensional.

Pembelajaran Luas Permukaan Prisma Menggunakan Konteks Packaging Hanun, Afifah; Prahmana, Rully Charitas Indra
Jurnal Riset Pendidikan dan Inovasi Pembelajaran Matematika (JRPIPM) Vol 2, No 2 (2019): JRPIPM April 2019 Volume 2 Nomor 2
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrpipm.v2n2.p70-79

Pemahaman konsep sangat diperlukan dalam pembelajaran matematika, sehingga diperlukan suatu konteks untuk mempermudah siswa dalam memahami konsep matematis. Penggunaan konteks merupakan salah satu karakteristik dalam pembelajaran matematika dengan Pendekatan Matematika Realistik Indonesia (PMRI). Tujuan penelitian ini adalah untuk mengetahui peran konteks packaging dalam memberikan pemahaman konsep luas permukaan prisma dan mengetahui hasil belajar siswa dalam pembelajaran luas permukaan prisma melalui pendekatan PMRI. Penelitian ini dilaksanakan dengan menggunakan metode design research. Subjek penelitian ini adalah seluruh siswa kelas VIII D SMP N 5 Banguntapan Bantul Yogyakarta. Objek penelitian ini adalah pengenalan konsep luas permukaan prisma. Teknik pengumpulan data menggunakan dokumentasi, rekaman video, data tertulis, dan observasi. Selanjutnya, teknik analisis data dalam penelitian ini menggunakan analisis data, validitas, dan reliabilitas. Hasil penelitian menunjukkan bahwa konteks packaging dapat digunakan sebagai starting point dalam pembelajaran luas permukaan prisma. Selain itu, hasil belajar siswa setelah mengikuti pembelajaran luas permukaan prisma menggunakan konteks packaging mendapatkan nilai rata-rata sebesar 93 dengan frekuensi ketuntasan 96,15%.

MATHEMATICAL ANXIETY AMONG ENGINEERING STUDENTS Prahmana, Rully Charitas Indra; Sutanti, Tri; Wibawa, Aji Prasetya; Diponegoro, Ahmad Muhammad
Jurnal Infinity Vol 8, No 2 (2019): Volume 8 Number 2, Infinity
Publisher : IKIP Siliwangi and I-MES

Mathematical anxiety has a negative relationship with mathematics performance and achievement. Further explained, mathematics anxiety has an indirect effect on mathematics performance. This research explores sources or factors related to mathematics anxiety among engineering students at a private university in Indonesia. A total of 47 engineering students participated in this survey that randomly chosen based on gender, major, and age. Two main factors are affecting the mathematics anxiety of engineering students, namely internal and external factors. The results show that mathematics anxiety among engineering students is manifested into three aspects. Firstly, the home aspects are talking about the influence of parents and sibling. Secondly, society's issues are discussing self-efficacy, social reinforcement to hate mathematics, and social stereotypes. Lastly, the classroom aspects are talking about the traditional mathematics learning process and classroom culture, namely the experience of learning mathematics in classrooms and relationships between friends during learning. The details of the statements under the aspects also highlight unique problems and are not covered by previous research in mathematical anxiety. Next, differences in mathematics anxiety by gender and faculty were examined.

Co-Authors A. Aidahani A.A. Ketut Agung Cahyawan W Aan Hendroanto Abdel-Hamid, Rasha Hashim Abdul Aziz Adrelia, Dyah Indah Afifah Hanun Afit Istiandaru Afit Istiandaru, Afit Ageng Triyono Agus Darwanto Agustina Sri Purnami Ahmad Azhari Ahmad Muhammad Diponegoro Ai Len Gan Ajeng Ramadhani Aji Prasetya Wibawa Alberta Parinters Makur Alfa Saleh, Alfa Alfiatun Fitriani Ulfah Alghiffari, Eka Kevin Andi Aras Andriyani Andriyani Anggraini, Padhila Angraini, Padhila Ani Susanti ANNISAH KURNIATI Annisah Kurniati Anny Sovia Anny Sovia Aras, Andi Ardhi Ardhian Arie Purwa Kusuma Armianti Armianti Armianti, Armianti Arnal-Palacian, Monica Awaji, Bakri M. Bautista, Guillermo Jr. Bedilius Gunur Begué, Nuria Benidiktus Tanujaya Binti Anisaul Khasanah Buhaerah Buhaerah Buhaerah Buhaerah, Buhaerah Burhanudin Arif Nurnugroho Busrah, Zulfiqar Clark Orey, Daniel Cosette Crisan Crisan, Cosette D'Ambrosio, Ubiratan Daniel Asamoah Daniel Clark Orey Danty Rahmasantika Darhim Darhim Dawuh Nuril Wildan Dedi Muhtadi Dedi Muhtadi, Dedi Delsi K Delsi K Dewi Malihatuddarojah Digdayana, Infiks Unggul Dyah Indah Adrelia Endo, Hiroyuki Enggar Tri Aulia Epi Balingga Epi Balingga, Epi Euis Eti Rohaeti Evans, Brian Evans, Brian R. Farida Nurhasanah Fawziah Zahrawati B Fitri, Nur Lailatul Fitri, Nur Lailatul Fitriyah Fitriyah Fran, Frankie A. Habibi Habibi Hanun, Afifah Hanun, Afifah Haryani Mohammad Heris Hendriana Heris Hendriana Heris Hendriana Heriyadi Heriyadi Hidayat, Agus Sofian Eka Hildegardis Mulu Hildegardis Mulu HU Kalsum I Made Dharma Atmaja Ibrahim Ibrahim Alhussain Khalil Ibrahim Alhussain Khalil Idrus, Sayid Wahyu Alwi Sidik Al Indah Lestari Irma Fatmawati Irma Fatmawati Irma Risdiyanti Irma Risdiyanti Irwan Akib Isaeni, Nita Isnaini, Uha Iswahyudi Joko Suprayitno Jeinne Mumu Jojo, Zingiswa Jumaisa Jumaisa Jumaisa, Jumaisa Juniarti, Anita Kartika Dyah Wardani Khalil, Ibrahim Alhussain Khasanah, Mirsatun Klara Iswara Sukmawati Kristina Kurniati Kurniati, Annisah Kurniawati, Venny Kusaeri, Al Kusaka, Satoshi Laela Sagita Laela Sagita Laila Fatika Nuari Laila Fatika Nuari Laksmiwati, Pasttita Ayu Lavicza, Zsolt Lekë Pepkolaj Lestari, Resti Madiana Lina Handayani Lisnani Lisnani Lo, Jane-Jane M. Norhailawati Maisyarah, Siti Malihatuddarojah, Dewi Manikmaya, Pratita Maryati Maryati Maryati Maryati Maryati Maryati Masitah Shahrill Masitah Shahrill Masitah Shahrill, Masitah Maureen Siew Fang Chong Mayangwuri, Sotya Megawati - Meita Fitrianawati Miftahul Hidayah, Miftahul Milton Rosa Mónica Arnal-Palacián Mónica Arnal-Palacián Muhamad Saleh Muhammad Isa Muhammad Isa Mulia Putra Mumu, Jeinne Murni Murni Murni Musafir Rastuti Muya Barida Nguyen, Tien-Trung Niken Wahyu Utami Nisa Syakrina Novi Murniati Novi Murniati, Novi Noviyanti, Putu Ledyari Nuari, Laila Fatika Nuari, Laila Fatika Nur Lailatul Fitri Nur Lailatul Fitri Nur Robiah Nofikusumawati Peni Nurdiansyah Nurdiansyah Nuria Begué Nurnaningsih, Laila Nurul Fajri Nusantara, Duano Sapta Oktarika Trissiana Oktavia Filda Yanti Oktavia Filda Yanti, Oktavia Filda Oktinasari, Hanifah Orey, Daniel Clark Padhila Angraini Padhila Angraini Pangestuti, Suci Pardi, Muhamamad Habib Husnial Payadnya, I Putu Ade Andre Pebrianto Pebrianto Pebrianto, Pebrianto Pepkolaj, LekÃ« Pepkolaj, Lekë Permita, Adinda Indah Petra Suwasti Petra Suwasti, Petra Puguh Wahyu Prasetyo Puguh Wahyu Prasetyo, Puguh Pujiastuti, Nur Ika Puri Pramudiani Putranti, Sagita Dyah Putrawangsa, Susilahudin Rachmadi Widdiharto, Rachmadi Ragil Fitriani Rahayu, Winda Rahma Wahyu Rahmasantika, Danty Rahmasantika, Danty Rahmi Purwitaningrum Rahmi Ramadhani Ramda, Apolonia Hendrice Ratu Ilma Indra Putri Resti Madiana Lestari Resti Madiana Lestari Retnawati, Sri Reza Lestari Risdiyanti, Irma Risdiyanti, Irma Risnawati Ahmad, Risnawati Risnawati Risnawati Risnawati Risnawati Ristiana, Novita Risty Mustika Hardini Rita Novita Rizqa Yunisha Robiansyah Robiansyah Robiansyah, Robiansyah Rosa, Milton Roy, La Rusli P. D. Kolnel Sabitzer, Barbara Sagita Dyah Putranti Sahar Abbas Ibrahim Samsul Arifin Schmidthaler, Eva Setialaksana, Wirawan - Setyawan, Fariz SH Bakri Shahidayanti, Tutik Silfanus Jelatu Siti Maisyarah Soeharto Sofwan Adiputra, Sofwan Sri Adi Widodo Sri Adi Widodo Sukirwan Sukirwan Sukirwan Sukirwan Sukmawati, Klara Iswara Sundari Gita Pertiwi Syakrina, Nisa Syakrina, Nisa Tanikawa, Kanako Teguh Wibowo Tika Septia Tika Septia Tri Sutanti Tri Sutanti, Tri Trissiana, Oktarika Tumangger, Wana Rukmana Ubiratan D'Ambrosio Uha Isnaini Ulfah, Alfiatun Fitriani Venny Kurniawati Wahid Yunianto Wahyu Hidayat Wahyu Hidayat Wahyu Hidayat Wahyu Hidayat Wahyu, Rahma Warsito Warsito Warsito Warsito Wildan, Dawuh Nuril Winda Rahayu Wiwik Wiyanti Wiwik Wiyanti, Wiwik Wiyatno, Toyo Yaya S Kusumah Yulyanti Harisman Yundari, Yundari Yunianto, Wahid Yunisha, Rizqa Yusuf Hartono Zahrawati B, Fawziah Zainuri Saringat Zubaidah Amir MZ Zubaidah Amir MZ Zulfiqar Busrah Zulkardi Zulkardi Zulkardi Zulkardi Zulkardi Zulkardi Zulkardi

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