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Jurnal Riset Pendidikan Matematika

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Published by Universitas Negeri Yogyakarta

ISSN : 23562684 EISSN : 24771503 DOI : 10.21831

Core Subject : Science, Education,

Decision Sciences, Operations Research & Management Education Mathematics

Arjuna Subject : -

Articles 257 Documents

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The enhancement of mathematical problem solving ability and self-confidence of students through problem based learning Rahmi Ramadhani
Jurnal Riset Pendidikan Matematika Vol 5, No 1: May 2018
Publisher : Program Studi Pendidikan Matematika Program Pascasarjan Universitas Negeri Yogyakarta

This paper reported result of a research attempted to analyze: the increase in student’s MPS and SC using problem-based learning; and to look interaction between students’ PMK and learning to increase student’s MPS and SC. This type of research was a quasi-experimental. The population of this research was all students in SMA Negeri 6 Medan. Then 33 students were chosen as the experimental class and 33 students in other class was chosen as a control class by using purposive sampling technique. The data in this study were analyzed using Two Ways ANOVA. The result of validity of student’s MPS test is 0,808. Both reability of test was 0.86. The result of this research were: (1) The enhancement of student’s MPS ability and SC using problem-based learning was higher than conventional learning; (2) There is no interaction between student’s PMK and learning on student’s MPS ability and SC.

Teachers' and students' beliefs in mathematics at State Senior High School 5 Semarang Muhtarom, Muhtarom; Juniati, Dwi; Siswono, Tatag Yuli Eko; Rahmatika, Ismi
Jurnal Riset Pendidikan Matematika Vol. 5 No. 1: May 2018
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Yogyakarta

The aim of this research was to discover the relationship between teachers' and students' beliefs in mathematics. The sample consisted of two mathematics teachers, twenty eight students from 10th grade natural science 6 (X IPA 6) and twenty eight students from 10th grade natural science 10 (X IPA10) at state senior high school 5 Semarang. The data were collected from questionnaires and guided interviews on beliefs about mathematics. The research results showed that both of the mathematics teachers had platonist beliefs. It was found specifically that 4.76% of students in class X IPA 6 consistently had instrumentalist beliefs, 85.71% were consistent with their platonist beliefs, and 9.52% consistently had problem solving beliefs; while in class X IPA 10, 4.76% consistently showed instrumentalist beliefs, 80.95% were consistent with their platonist beliefs, and 14.29% consistently had problem solving beliefs. This indicates that there is a relationship between teachers' and students' beliefs, namely the tendency towards platonist beliefs; and also that the teacher's beliefs influence the student's beliefs.

Guided discovery model: An alternative to enhance students’ critical thinking skills and critical thinking dispositions Sri Hastuti Noer
Jurnal Riset Pendidikan Matematika Vol 5, No 1: May 2018
Publisher : Program Studi Pendidikan Matematika Program Pascasarjan Universitas Negeri Yogyakarta

This current study aimed to determine the effectiveness of the guided discovery model in increasing students' critical thinking skills and critical thinking dispositions. Each experiment and control group consisted of 34 students of grade X of one high school class in Bandar Lampung city. The data were obtained through mathematical critical thinking skills test and critical thinking dispositions scale. The data were analyzed qualitatively and quantitatively to obtain a comprehensive description of the impact of learning on the increase in both skills. The results showed that the increase of students’ critical thinking skills and critical thinking dispositions after learning was in the effective category. Other finding showed that the use of a contextual problem in the beginning of learning could trigger students to activate their prior knowledge. In this way, students used some strategies and made an appropriate conclusion confidently. This study suggested that the guided discovery model can be an alternative to improve students' critical thinking skills and critical thinking dispositions.

The analysis of students’ mathematical representation errors in solving word problem related to graph Rahmah Johar; Khairiyah Rahma Lubis
Jurnal Riset Pendidikan Matematika Vol 5, No 1: May 2018
Publisher : Program Studi Pendidikan Matematika Program Pascasarjan Universitas Negeri Yogyakarta

The skills of reading, interpreting and constructing graphs are important for students. These skills are related to mathematical representation. The purpose of this study is to analyze Grade 8 students’ representation errors in solving word problems related to graphs in one of junior high schools in Banda Aceh, Indonesia. The data were obtained based on a mathematics test administered to 36 students and a short interview conducted for five selected students. The test consisted of eight problems adapted from four contexts of PISA problems related to graph. Students’ representation errors were classified based on the errors of changing one representation to another representation, such as visual to verbal, visual to symbolic, visual to visual and verbal to visual. The results reveal that representation errors are not solely influenced by the types of representation. It is indicated by the questions with similar representation resulted in a different percentage of students committing representation errors. In general, the students’ representation errors are due to the fact that students not being familiar with the problems requiring representation; students not being used to solve PISA context problems and word problems; as well as the teachers’ time constraint in teaching non-routine problems.

The implementation of progressive mathematization model as a mean to enhance understanding and communication ability of junior high school students Klara Iswara Sukmawati
Jurnal Riset Pendidikan Matematika Vol 5, No 1: May 2018
Publisher : Program Studi Pendidikan Matematika Program Pascasarjan Universitas Negeri Yogyakarta

The study was based on the importance of students’ mathematical understanding and communication ability. Students need some efforts in attaining mathematical understanding and communication ability. As a result, the researcher sensed that it should be designed A Progressive Mathematization Model in order to enhance the mathematical understanding and communication ability of the students especially the junior high school ones. Then, in conducting the study the main purpose was to analyze the enhancement of mathematical understanding and communication ability of the students. The study was a quantitative research. The population in this study was the seventh-grade students of SMPN 1 Pagedangan and the sample in this study consisted of two groups that had been selected by applying a purposive sampling. The researcher utilizing four test instruments of mathematical understanding and communication ability within the study. The data that had been gathered would be analysed by means of independent t-test. The findings of the study showed that the enhancement of mathematical understanding and communication ability of the students through a progressive mathematization model had been better than the enhancement of mathematical understanding and communication ability of the students using the conventional learning.

Pembelajaran diskursus multi representasi terhadap peningkatan kemampuan komunikasi dan disposisi matematis mahasiswa Ratni Purwasih; Martin Bernad
Jurnal Riset Pendidikan Matematika Vol 5, No 1: May 2018
Publisher : Program Studi Pendidikan Matematika Program Pascasarjan Universitas Negeri Yogyakarta

Penelitian ini bertujuan untuk mengetahui peningkatan kemampuan komunikasi dan disposisi mahasiswa melalui pembelajaran diskursus multi representasi (DMR). Metode penelitian ini adalah metode kuasi eksperimen dengan desain penelitian pretset-posttest control group design. Populasi penelitian adalah seluruh mahasiswa pendidikan matematika STKIP Siliwangi Bandung yang mengikuti mata kuliah metode pembelajaran matematika sekolah SD pada semester ganjil Tahun Ajaran 2016/2017 yang terdiri dari 3 kelas, yaitu: A1, A2 dan A3. Sampel penelitian dipilih 2 kelas dari populasi penelitian, terpilih kelas A2 sebagai kelas kontrol yang terdiri dari 35 orang mahasiswa dan kelas A1 sebagai kelas eksperimen yang terdiri dari 36 orang mahasiswa. Analisis data dilakukan terhadap gain hasil tes kemampuan mahasiswa mata kuliah metode pembelajaran matematika sekolah SD. Sedangkan analisis skala disposisi matematis mahasiswa menggunakan Microsoft Excel 2010. Untuk memperoleh data penelitian digunakan instrumen berupa tes uraian dan skala disposisi. Analisis penelitian menggunakan uji perbedaan rata-rata mann whitney. Hasil penelitian menunjukkan bahwa: (1) Pencapaian dan peningkatan kemampuan komunikasi matematis yang mendapat pembelajaran DMR lebih baik daripada mahasiswa yang mendapat pembelajaran konvensional; dan (2) Disposisi matematis mahasiswa yang pembelajarannya menggunakan DMR lebih baik daripada mahasiswa dengan pembelajaran yang menggunakan pendekatan konvensional. Learning multi discourse representation to enhance students communication and their mathematical disposition AbstractThis study aims to determine the improvement of students’ mathematical communication and dispositions ability through multi-representation discourse (DMR) learning. This research method is quasi-experimental with the design of pretset-posttest control group. The population is all students of mathematics education STKIP Siliwangi Bandung attending the course subject of Metode Pembelajaran Matematika SD (Elementary Mathematics Learning Method) in the first semester of 2016/2017 academic year consisting of three classes, namely: A1, A2 and A3. The samples are selected from two classes; A2 as the control group consisting of 35 students and A1 as the experimental group consisting of 36 students.. Data analysis is performed to find out the gain from the results of students’ ability test in the subject of Metode Pembelajaran Matematika SD; while the students’ mathematical disposition scale analysis is conducted by using Microsoft Excel 2010. To obtain research data, the instruments of description test and disposition scale are used. The analysis of research uses the Mann Whitney’s mean differences test. The results show that: (1) the achievement and improvement of communication ability of the students’ receiving DMR learning are better than those who receive conventional learning; and (2) Mathematical disposition of students with DMR learning is better than those with the conventional approach.

Students’ readiness to teaching practice experience: A review from the mathematics education students' view Heri Retnawati; Eny Sulistyaningsih; Lau Yoke Yin
Jurnal Riset Pendidikan Matematika Vol 5, No 1: May 2018
Publisher : Program Studi Pendidikan Matematika Program Pascasarjan Universitas Negeri Yogyakarta

A teaching practice is an effort to improve prospective teachers’ competence. Students’ development in the teaching practice is the key to its successful implementation. This study aims at describing and gaining an understanding of readiness of mathematics education students in conducting teaching practices. This study is a qualitative research with a type of phenomenology. Data were obtained from an open questionnaire of students from Indonesia and Malaysia. The participants of this study were 23 seventh semester students who have implemented teaching practices for 2 months. Data were analyzed using Bogdan Biklen approach. The result revealed that students’ ability in conducting the teaching practice was good, but they still need to improve managing the classroom. The constraints experienced by the teachers were related to learning instructions and time allocations, while for the students, the learning equipment facilities, coordination, school policy, and culture became their problems. However, both students and teachers had their own various strategies in overcoming these obstacles.

Model pembelajaran process oriented guided inquiry learning (POGIL): Peningkatan disposisi matematika dan self-confidence mahasiswa tadris matematika Elfi Rahmadhani
Jurnal Riset Pendidikan Matematika Vol 5, No 2: November 2018
Publisher : Program Studi Pendidikan Matematika Program Pascasarjan Universitas Negeri Yogyakarta

Penelitian ini bertujuan untuk mengetahui peningkatan disposisi matematika dan self-confidence mahasiswa dengan menerapkan model pembelajaran Process Oriented Guided Inquiry Learning (POGIL). Penelitian ini merupakan penelitian deskriptif kuantitatif. Subjek penelitian ini adalah mahasiswa Program Studi Tadris Matematika (TMA) STAIN Gajah Putih Takengon semester V sebanyak 67 orang. Instrumen dalam penelitian ini adalah lembar observasi dan angket. Lembar observasi digunakan untuk mengamati aktivitas dosen dan mahasiswa selama perkuliahan berlangsung, serta angket diberikan kepada mahasiswa untuk melihat peningkatan disposisi matematika dan Self-confidence. Pemberian angket disposisi matematika dan self-confidence dilakukan sebelum dan setelah diberikan perlakuan menggunakan model Process Oriented Guided Inquiry Learning (POGIL). Berdasarkan hasil penelitian dapat disimpulkan bahwa model Process Oriented Guided Inquiry Learning (POGIL) dapat meningkatkan disposisi matematika dan self-confidence mahasiswa. Nilai rata-rata disposisi matematika mahasiswa sebelum perlakuan adalah 64,10, sedangkan setelah diberi perlakuan menjadi 76,91. Nilai rata-rata Self-confidence rata-rata sebelum perlakuan adalah 49,61, setelah perlakuan meningkat menjadi 59,79.Model of process oriented guided inquiry learning (POGIL): Improving mathematical disposition and self-confidence of students’ tadris matematika AbstractThis study was aimed to know improvement of students’ mathematical disposition and self-confidence with applying model of Process Oriented Guided Inquiry Learning (POGIL). The method of this study was descriptive quantitative. The subjects were 50 students of Tadris Matematika (TMA) STAIN Gajah Putih Takengon, Nangroe Aceh Darussalam, Indonesia, in semester V. The instruments of this study were observation sheet and questionnaires. Observation sheet was using to observe activities of lecturer and students on learning process, while questionnaire was giving to students to know improvement of their mathematical disposition and self-confidence. The students filled the questionnaire before and after they were given a treatment. Based on the results of this study it could be concluded that model of Process Oriented Guided Inquiry Learning (POGIL) could improve students’ mathematical disposition and self-confidence. The average score of students’ mathematical disposition in pre-treatment was 64.10 and after treatment was 76.91. While, the average score of students’ self-confidence in pre-treatment was 49.61 and after treatment was 59.79.

The role of worked-example in enhancing students’ self-explanation and cognitive efficiency in calculus instruction Cecep Anwar Hadi Firdos Santosa; Didi Suryadi; Sufyani Prabawanto; Syamsuri Syamsuri
Jurnal Riset Pendidikan Matematika Vol 5, No 2: November 2018
Publisher : Program Studi Pendidikan Matematika Program Pascasarjan Universitas Negeri Yogyakarta

This research was aimed to investigate the effect of students’ self-explanation to their achievement, mental effort, and cognitive efficiency while studying mathematics, particularly in integral topics. This research used a static-group comparison design implemented to first-year undergraduate students. The subject of the study consists of 64 first year undergraduate students in one of the universities in Banten province, Indonesia. The students were divided into two classrooms, experimental and control. Experimental classroom received worked-example method whereas control classroom studying without worked-example method. Instruments used in this research include achievement tests, rating scale mental effort, deviation model of cognitive efficiency, and teaching materials in the form of worked-example. The results show that the implementation of self-explanation through worked-example helps students get a higher achievement, lower mental effort, and better cognitive efficiency compared to students who get instruction without worked-example method. The research also reveals the important role of worked-example in enhancing the ability of students’ self-explanation.

Efikasi diri mahasiswa pada perkuliahan kalkulus integral Mega Eriska Rosaria Purnomo; Christina Kartika Sari; Sri Rejeki; Isnaeni Umi Machromah
Jurnal Riset Pendidikan Matematika Vol 5, No 2: November 2018
Publisher : Program Studi Pendidikan Matematika Program Pascasarjan Universitas Negeri Yogyakarta

Penelitian kualitatif ini bertujuan untuk mendeskripsikan pofil efikasi diri mahasiswa pada perkuliahan Kalkulus Integral. Subjek penelitian adalah 43 mahasiswa Program Studi Teknik Industri Universitas Muhammadiyah Surakarta yang mengikuti perkuliahan Kalkulus Integral. Instrumen pengumpulan data terdiri dari angket efikasi diri serta pedoman wawancara. Subjek mengisi angket efikasi diri. Hasilnya adalah 2% mahasiswa memiliki efikasi diri sangat tinggi, 40% tinggi, 51% sedang, 7% memiliki efikasi diri rendah. Selanjutnya dipilih 6 mahasiswa, masing-masing 2 mahasiswa dengan efikasi diri tinggi, sedang, rendah untuk diwawancarai. Hasilnya yaitu mahasiswa dengan efikasi diri tinggi dan sedang tidak putus asa dalam menyelesaikan permasalahan Kalkulus Integral, sedangkan mahasiswa dengan efikasi diri rendah putus asa saat menghadapi permasalahan tersebut. Mahasiswa dengan tingkat efikasi diri tinggi, sedang, dan rendah belum mampu mempelajari materi sulit Kalkulus Integral secara mandiri. Akan tetapi, mereka mampu menyelesaikan tugas dan mengumpulkannya tepat waktu. Usaha belajar mereka belum optimal dengan berbagai macam penyebab sehingga mereka tidak yakin mampu mencapai prestasi belajar yang ditargetkan, terkecuali dua mahasiswa dengan efikasi diri tinggi dan sedang. Self-efficacy of university student in integral calculus course AbstractThis qualitative research aimed to describe students’ self-efficacy profile on Integral Calculus course. The subjects were 43 students of Industrial Engineering Department, Universitas Muhammadiyah Surakarta, who attended Integral Calculus course. The instruments used to data collecting were self-efficacy questionnaire and interview guidelines. The subjects were given self-efficacy questionnaire. The results showed that 2% of students had very high of self-efficacy, 40% high, 51% middle, the remaining 7% students had low self-efficacy. Six students were selected to be interviewed, consisted of 2 students with high, middle, and low self-efficacy. The interview results were students with high and middle self-efficacy were not give up to solve Integral Calculus problems, while students with low self-efficacy tend to desperate when solving the problems. Students with high, middle, and low self-efficacy levels had not been able to study the Integral Calculus difficult material independently. However, they were able to complete the task and collect it on time. Their learning efforts have not been optimal with a variety of causes so they were not confident for reaching optimum achievement, except two students with high and middle self efficacy level.

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