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Pythagoras: Jurnal Matematika dan Pendidikan Matematika
Published by Universitas Negeri Yogyakarta
ISSN : 19784538     EISSN : 2527421X     DOI : 10.21831
Core Subject : Education,
Education Mathematics
Arjuna Subject : -
Articles 265 Documents
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peningkatan motivasi dan minat belajar matematika siswa melalui pendekatan kontekstual dalam pembelajaran matematika yang bermakna Rahmita Yuliana Gazali; Muh. Fajaruddin Atsnan
PYTHAGORAS Jurnal Pendidikan Matematika Vol 12, No 2: December 2017
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1246.114 KB) | DOI: 10.21831/pg.v12i2.15987

Abstract

Penelitian ini bertujuan untuk meningkatkan motivasi dan minat belajar matematika siswa melalui pendekatan kontekstual dalam pembelajaran matematika yang bermakna. Tujuan lain penelitian ini adalah untuk mengetahui keterlaksanaan pembelajaran dengan pendekatan kontekstual oleh guru matematika kelas VIII di SMP Negeri 7 Banjarmasin dan SMP Negeri 24 Banjarmasin. Penelitian dilaksanakan di kelas VIII B SMP Negeri 7 Banjarmasin dan kelas VIII F SMP Negeri 24 Banjarmasin. Subyek penelitian ini adalah siswa kelas VIII B SMP Negeri 7 Banjarmasin sebanyak 27 orang dan siswa kelas VIII F SMP Negeri 24 Banjarmasin tahun pelajaran 2016/2017 sebanyak 30 orang. Hasil penelitian di kelas VIII B SMP Negeri 7 Banjarmasin menunjukkan bahwa (1) keterlaksanaan pembelajaran pada siklus 1 dan 2 di SMP Negeri 7 Banjarmasin adalah 100%, (2) terjadi peningkatan motivasi dan minat belajar matematika siswa dari pra tindakan ke siklus 1 ke siklus 2. Sedangkan untuk hasil penelitian di kelas VIII F SMP Negeri 24 Banjarmasin menunjukkan bahwa (1) terjadi peningkatan persentase keterlaksanaan pembelajaran pada siklus 1 sebesar 28,7% pada pertemuan 1 dan 100% pada pertemuan 2 ke siklus 2 sebesar 100%; (2) terjadi peningkatan motivasi dan minat belajar matematika siswa dari pra tindakan ke siklus 1 ke siklus 2. Increased Motivation and Interest in Student Mathematics Learning Through Contextual Approach in Meaningful Mathematics Learning AbstractThis study aims to improve students' motivation and interest in learning mathematics through contextual approach in meaningful math learning. Another purpose of this research is to know the implementation of learning with contextual approach by teacher of math class VIII in SMP Negeri 7 Banjarmasin and SMP Negeri 24 Banjarmasin. The research was conducted in class VIII B SMP Negeri 7 Banjarmasin and class VIII F SMP Negeri 24 Banjarmasin. The subjects of this study are students of class VIII B SMP Negeri 7 Banjarmasin as many as 27 people and students of class VIII F SMP Negeri 24 Banjarmasin 2016/2017 lesson year as many as 30 people. The result of research in class VIII B SMP Negeri 7 Banjarmasin shows that (1) learning activity in cycle 1 and 2 in SMP Negeri 7 Banjarmasin is 100%; (2) there is an increase of motivation and interest in learning mathematics from pre-action to cycle 1 to cycle 2. As for the results of research in class VIII F SMP Negeri 24 Banjarmasin shows that (1) there is an increase in the percentage of learning implementation in cycle 1 of 28.7% at 1 and 100% meeting at the second meeting to cycle 2 by 100%; (2) there is an increase in motivation and interest in learning mathematics students from pre-action to cycle 1 to cycle 2.
PEMBELAJARAN MATEMATIKA MODEL IDEAL PROBLEM SOLVING DENGAN TEORI PEMROSESAN INFORMASI UNTUK PEMBENTUKAN PENDIDIKAN KARAKTER DAN PEMECAHAN MASALAH MATERI DIMENSI TIGA KELAS X SMA Akhmad Nayazik; Sukestiyarno Sukestiyarno
PYTHAGORAS Jurnal Pendidikan Matematika Vol 7, No 2: Desember 2012
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/pg.v7i2.4778

Abstract

This study aims to: (1) generate a valid learning tool and (2) the implementation of an effective learning device. Development of learning tools using a modified model of Thiagarajan. Techniques of data analysis with descriptive analysis, test mastery learning using t-test, z proportions, regression testing, and test for normality gain. The results showed that: (1) a device developed has been declared valid by the validator with an average score of 4.18 for the syllabus, 4.24 for RPP, 4.35 for LKS, 4.37 for the Student Book, 4,00 for the TKPM and (2) test devices produce (a) mastery of problem-solving ability of students eligible 75,00 statistically complete with average 77.58 (b) curiosity and problem solving skills positively by 63.7% of the problem-solving abilities with equation Y = -11.120 + 0.988X1 + 0.941X2 (c) increase the curiosity of 4 selected samples ranged from 0.33 to 0.58 and problem solving skills ranged from 0.31 to 0.41 are included in the medium category (d) affect the learning process of the formation of character education and problem solving include attention, memory, thinking processes, and response.Keywords: IDEAL Problem Solving, Information Processing Theory, Character Education
MULTI TRAVELING SALESMAN PROBLEM (MTSP) DENGAN ALGORITMA GENETIKA UNTUK MENENTUKAN RUTE LOPER KORAN DI AGEN SURAT KABAR Fitriana Yuli Saptaningtyas
PYTHAGORAS Jurnal Pendidikan Matematika Vol 7, No 2: Desember 2012
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/pg.v7i2.4786

Abstract

Permasalahan pendistribusian oleh beberapa loper koran di suatu agen surat kabar pada pelanggan sering mengalami keterlambatan. Bagaimana menentukan rute optimum bagi beberapa loper koran di sebuah agen surat kabar akan dimodelkan secara matematis dan akan diselesaikan menggunakan algoritma genetika. Permasalahan ini masuk dalam kategori Multi Travelling Salesman Problem (MTSP). Algoritma genetika yang mengadopsi proses evolusi makhluk hidup, pada penerapannya mengikuti langkah pembentukan populasi, menentukan nilai fitness, melakukan proses seleksi, melakukan pindah silang dan mutasi, dan  membentuk individu baru. Algoritma genetika dapat digunakan untuk menentukan rute optimum perjalanan beberapa loper koran di suatu agen surat kabar. Penentuan rute perjalanan beberapa loper koran di suatu agen surat kabar dengan langkah mendefinisikan populasi,menentukan nilai fitness, melakukan proses seleksi dengan metode seleksi rangking, pindah silang dengan order cross over, melakukan mutasi dengan swapping mutation, dan memperoleh individu baru yang menuju ke penyelesaian optimum. Dari hasil simulasi di suatu agen surat kabar dengan delapan loper Koran dan 160 pelanggan diperoleh jarak terpendek  sejauh 144.16 km pada iterasi ke 98. Semakin banyak iterasi yang digunakan maka akan semakin memberi solusi yang lebih optimum.Kata Kunci: Algoritma Genetika, Loper Koran, Agen Surat Kabar, MTSP
Pembelajaran hubungan antar sudut menggunakan model pembelajaran guided inquiry Sundari Gita Pertiwi; Rully Charitas Indra Prahmana
PYTHAGORAS Jurnal Pendidikan Matematika Vol 15, No 2: December 2020
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/pg.v15i2.35415

Abstract

Materi geometri merupakan materi yang penting untuk dipelajari karena berkaitan dengan kehidupan sehari-hari dan sebagai materi dasar pendukung penguasaan materi matematika yang lain. Namun, materi geometri, khususnya materi hubungan antar sudut, masih dianggap sulit dipahami oleh siswa. Oleh karena itu, dibutuhkan suatu model pembelajaran yang interaktif dan dapat menuntun siswa menemukan sendiri konsep yang dipelajari untuk mengembangkan pemahaman mereka. Salah satu model pembelajaran alternatif yang dapat digunakan adalah model guided inquiry atau penyelidikan terbimbing yang mana dalam model pembelajaran tersebut siswa adalah pusat pembelajaran dan guru adalah fasilitator dan motivator belajar sis­wa. Penelitian ini menggunakan metode deskriptif kualitatif untuk mendeskripsikan proses pembelajaran yang menerapkan model guided inquiry. Penelitian dilaksanakan di SMP Negeri 3 Bantul, Daerah Istimewa Yogyakarta dengan subyek penelitian yaitu siswa kelas VII (n = 32). Data penelitian dikumpulkan dalam bentuk rekaman audio dan video, foto, dan lembar aktivitas siswa. Data dianalisis dengan cara mereduksi, menampilkan, dan menyimpulkan data, setelah itu ditulis dalam bentuk narasi deskriptif. Hasil penelitian menunjukkan bahwa implementasi model guided inquiry dalam pembelajaran hubungan antar sudut yang terdiri atas tiga per­temuan dengan beberapa aktivitas pembelajaran mendeskripsikan proses pembelajaran yang baik.Inter-angular relationship learning using a guided inquiry learning modelAbstractGeometry is one of the essential materials to learn because it is related to everyday life and as basic material to support mastery of other mathematics materials. However, the material of geo­metry, especially the material on the inter-angular relationships, is still considered hard to be understood by students. Therefore, there is a need for a learning model that is more interactive and can provide guidance for students to find the concepts by themselves. One of the alternative learning models that can be used is the guided inquiry, wherein that learning model, the students are the center of learning and the teacher is the facilitator and motivator of students’ learning. This research employed a descriptive qualitative method to describe the learning process that implemented the guided inquiry model. The research was conducted at one of the public junior high schools in the Special Region of Yogyakarta, namely SMP Negeri 3 Bantul in which the subject was 32 seventh graders. The research data were collected in the form of audio and video recor­dings, photos, and student activity sheets. The data were analyzed by reducing, presenting, and concluding, then it was written in the form of descriptive narration. The results demonstrated that the implementation of the guided inquiry model in the inter-angular relationships learning that consisted of three meetings with several learning activities described an excellent learning process.
Kemampuan berpikir kreatif matematis dalam penyelesaian soal open-ended jenis PISA berdasarkan level sekolah Evie Dwy Wahyu Arista; Ali Mahmudi
PYTHAGORAS Jurnal Pendidikan Matematika Vol 15, No 1: June 2020
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/pg.v15i1.34606

Abstract

Penelitian ini bertujuan untuk mendeskripsikan kemampuan berpikir kreatif matematis siswa dalam menyelesaikan soal open-ended jenis PISA ditinjau dari level sekolah. Jenis penelitian ini adalah penelitian survei dengan sampel penelitian adalah siswa kelas X SMA (n = 260) di Kabu­paten Lampung Timur dengan level sekolah tinggi (k = 5), sedang (k = 3) dan rendah (k = 2) ber­dasarkan akreditasi. Sampel penelitian ditentukan dengan stratified proporsional random sam­pling. Instrumen yang digunakan berupa tes kemampuan berpikir kreatif jenis soal open-ended PISA yang terdiri atas enam butir soal uraian dan pedoman wawancara. Instrumen tes yang digunakan telah dilakukan validasi isi oleh tiga orang ahli dengan rata-rata hasil validasi berka­tegori baik. Hasil penelitian menunjukkan bahwa kemampuan berpikir kreatif matematis siswa dalam menyelesaikan soal open-ended jenis PISA pada sekolah level tinggi berada pada kategori cukup, pada sekolah level sedang berada pada kategori kurang, sedangkan pada sekolah level rendah berada pada kategori cukup. Mathematical creative thinking ability in solving open-ended problems of PISA type based on school levelAbstractThis research aimed to describe students' mathematical creative thinking ability in solving open-ended problems of PISA type based on the school level. The research was a survey with the sample was grade-ten students (n = 260) of senior high school with categories of the high (k = 5), medium (k = 3), and low school (k = 2) based on their accreditation in the district of Lampung Timur, Indonesia. We used stratified proportional random sampling to determine the sample. The instruments used in this research consisted of a creative thinking ability test with six con­structed response items and interview guidelines. Three experts had validated the instrument of a test, and it was proved to be valid in terms of content with a good category. We analyzed the collected data based on the indicator of creative thinking ability. The result showed that students' mathematical creative thinking ability to solve open-ended problem PISA type at high-level schools was in the moderate category, at medium-level schools was in the poor category, while at low-level schools in the moderate category.
Pengaruh penerapan model pembelajaran SAVI (Somatic, Auditory, Visual, Intellectual) terhadap kemampuan berpikir kreatif matematis Sang Ayu Made Monik Kencanawati; Sariyasa Sariyasa; I Gusti Nyoman Yudi Hartawan
PYTHAGORAS Jurnal Pendidikan Matematika Vol 15, No 1: June 2020
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/pg.v15i1.33006

Abstract

Mendeskripsikan pengaruh model pembelajaran SAVI (Somatic, Auditory, Visual, Intellectual) terhadap kemampuan berpikir kreatif matematis siswa adalah tujuan dari penelitian ini. Penelitian ini merupakan eksperimen semu dengan post-test only control group design. Dari 436 siswa kelas VII SMP Negeri 4 Denpasar yang menjadi populasi, dipilih secara acak 80 siswa sebagai sampel penelitian. Data kemampuan berpikir kreatif matematis siswa diperoleh melalui  tes uraian yang diberikan kepada siswa di akhir penelitian. Analisis data dilakukan menggunakan uji-  satu arah pada dua sampel independen pada taraf signifikan 5%. Berdasarkan hasil analisis statistik deskriptif diperoleh rata-rata kemampuan berpikir kreatif matematis siswa di kelas eksperimen sebesar 62,05 dan rata-rata kemampuan berpikir kreatif matematis siswa di kelas kontrol sebesar 53,86. Hasil pengujian hipotesis menunjukkan bahwa thitung = 2,02 ttabel = 1,99. Hasil ini menunjukkan bahwa kemampuan berpikir kreatif matematis siswa yang belajar menggunakan model pembelajaran SAVI lebih baik daripada siswa yang belajar menggunakan pembelajaran langsung (kelas kontrol). Dengan demikian, dapat disimpulkan bahwa ada pengaruh dari penerapan model pembelajaran SAVI terhadap kemampuan berpikir kreatif matematis siswa. Berdasarkan temuan tersebut, penerapan model pembelajaran SAVI di dalam pembelajaran matematika ini dapat digunakan sebagai alternatif dalam memfasilitasi siswa untuk mengembangkan kemampuan berpikir kreatif matematisnya. The effect of the implementation of SAVI (Somatic, Auditory, Visual, Intellectual) learning model toward mathematical creative thinking AbstractDescribing the effect of the learning model of SAVI (Somatic, Auditory, Visual, and Intellectual) to the mathematical creative thinking skills of students was the aim of this study. This was a quasi-experimental study with a post-test only control group design. Of 436 seventh grade students of public junior high school (i.e. SMP Negeri 4 Denpasar, Indonesia) who became the population, 80 students were randomly chosen as the sample of this study. Data on mathematical creative thinking skills of the students were obtained from the constructed-response test which was administered at the end of this study. The analysis of data was conducted by using a one-tailed independent samples t-test with a significance level of 5%. Based on the descriptive statistical analysis we obtained the mean of mathematical creative thinking skills of students in the experimental class was 62.05 and the mean of mathematical creative thinking skills of students in the control class was 53.86. As for the result of hypothesis testing showed that tcount = 2.02 ttable = 1.99. This result implied that the mathematical creative thinking ability of students in the experimental class was better than the mathematical creative thinking ability of students in the control class. Thus, it could be concluded that there was an effect of the implementation of the learning model of SAVI on the mathematical creative thinking skills of students. Furthermore, the implementation of the learning model of SAVI in mathematics learning could be used as an alternative in facilitating students to develop their mathematical creative thinking skills. 
Literasi matematis dan self-efficacy siswa ditinjau dari perbedaan kebijakan sistem zonasi Ahmad Muhazir; Kana Hidayati; Heri Retnawati
PYTHAGORAS Jurnal Pendidikan Matematika Vol 15, No 2: December 2020
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/pg.v15i2.36255

Abstract

Penelitian ini bertujuan untuk (1) mendeskripsikan kemampuan literasi matematis dan self-efficacy siswa kelas XI SMA; (2) mendeskripsikan dampak perbedaan kebijakan sistem zonasi terhadap kemampuan literasi matematis dan self-efficacy siswa kelas XI SMA; dan (3) mendes­kripsikan hubungan antara literasi matematis dan self-efficacy siswa kelas XI SMA. Penelitian survei ini melibatkan 346 siswa dari Kota Banjarmasin dan 321 siswa dari Kota Palangka Raya. Kedua kota tersebut memiliki kebijakan zonasi yang berbeda. Pengumpulan data dila­kukan me­lalui tes dan angket yang telah memenuhi kriteria valid dan reliabel. Teknik analisis data yang digunakan adalah statistik deskriptif dan inferensial. Hasil penelitian menunjukkan bahwa literasi matematis siswa di Kota Banjarmasin dan Kota Palangka Raya berada pada kategori ren­dah, sedangkan self-efficacy siswa pada kedua kota berada pada kategori sedang. Tidak terdapat per­bedaan yang bermakna pada rata-rata literasi matematis antara siswa di Kota Banjarmasin dan Palangka Raya. Namun demikian, terdapat perbedaan yang bermakna pada rata-rata self-effi­cacy antara siswa di Kota Banjarmasin dan Palangka Raya. Kebijakan zonasi di Kota Palangka Raya menyebabkan perbedaan rata-rata literasi matematis siswa pada sekolah kategori tinggi, sedang, dan rendah. Sedangkan kebijakan zonasi di Kota Banjarmasin menyebabkan perbedaan rata-rata self-efficacy siswa pada sekolah kategori tinggi, sedang, dan rendah. Terakhir, terdapat korelasi positif yang signifikan (meskipun lemah) antara literasi matematis dan self-efficacy siswa kelas XI SMA di Kota Banjarmasin dan Kota Palangka Raya (r = 0,194). Mathematical literacy and self-efficacy of students in terms of differences in zoning system policies.AbstractThis study aimed to (1) describe the mathematical literacy abilities and self-efficacy of eleventh-grade senior high school students; (2) describe the impact of differences in zoning system policies on the mathematical literacy and self-efficacy of eleventh-grade senior high school students; and (3) describe the relationship between mathematical literacy and self-efficacy of eleventh-grade senior high school students. This survey involved 346 students from Banjarmasin City and 321 students from Palangka Raya City, Indonesia. The two cities have different zoning policies. The data was collected through tests and questionnaires that met the valid and reliable criteria. The data analysis technique used was descriptive and inferential statistics. The results showed that students’ mathematical literacy in Banjarmasin and Palangka Raya City was in a low category, while self-efficacy in both cities was in the medium category. There was no significant difference in the mean of mathematical literacy of students in Banjarmasin and Palangka Raya City. How­ever, there was a significant difference in the mean of self-efficacy of students in Banjar­masin and Palangka Raya City. The zoning policy in Palangka Raya City causes differences in the mean of mathematical literacy of students in high, moderate, and low category schools. In contrast, the zoning policy in Banjarmasin City causes differences in the mean of self-efficacy of students in high, medium, and low category schools. Lastly, there was a significant positive correlation (al­though weak) between mathematical literacy and self-efficacy of eleventh-grade senior high school students in Banjarmasin and Palangka Raya City (r = 0.194).
Kemampuan siswa menyelesaikan masalah berbentuk soal cerita sistem persamaan linear ditinjau dari kemampuan penalaran Dimas Aditya Yudha Pradana; Budi Murtiyasa
PYTHAGORAS Jurnal Pendidikan Matematika Vol 15, No 2: December 2020
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/pg.v15i2.35419

Abstract

Tujuan penelitian ini adalah mendeskripsikan kemampuan pemecahan masalah siswa dalam menyelesaikan soal cerita sistem persamaan linear dua variabel ditinjau dari kemampuan penalaran matematis. Penelitian ini merupakan penelitian kualitatif dengan metode deskriptif. Subjek dalam penelitian adalah siswa kelas VIII C SMP Muhammadiyah 10 Surakarta tahun 2019/2020. Teknik pengambilan subjek berdasarkan tingkat kemampuan penalaran matematis siswa sehingga diperoleh tiga subjek kelas VIII C dengan kategori penalaran matematis rendah, sedang, dan tinggi. Teknik pengumpulan data berupa hasil tes, wawancara, dan dokumentasi. Teknik analisis data menggunakan reduksi data, penyajian data dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa: (1) siswa dengan penalaran matematis rendah belum dapat menentukan syarat cukup dan syarat perlu dalam memahami masalah, belum dapat menen­tukan strategi penyelesaian masalah, belum dapat melaksanakan rencana dan belum dapat memeriksa perhitungan jawaban; (2) siswa dengan penalaran matematis sedang mampu me­nentukan syarat cukup dan syarat perlu dalam memahami masalah dan dapat menentukan strategi penyelesaian masalah, namun belum dapat melaksanakan rencana dan memeriksa per­hitungan jawaban; (3) siswa dengan penalaran matematis tinggi mampu menentukan syarat cukup dan syarat perlu dalam memahami masalah, mampu menentukan strategi penyelesaian masalah, dapat melaksanakan rencana, dan dapat memeriksa perhitungan jawaban; dan (4)  penyebab kesalahan siswa yaitu siswa tidak menuliskan semua informasi, tidak melakukan pe­misalan, dan menuliskan proses pemecahan masalah secara tidak sistematis.The students' ability to solve world problems of linear equation system in term of reasoning skillsAbstractThis study aimed to describe the students’ ability to solve word problems of a linear equation system in two variables in terms of mathematical reasoning skills. This study was qualitative re­search with descriptive methods. The subjects were eight graders of a private junior high school, namely SMP Muhammadiyah 10 Surakarta, in 2019/2020. The subjects were three students chosen based on the level of mathematical reasoning skills, namely low, medium, and high. The data collection techniques in the form of test results, interviews, and documentation. Data ana­lysis techniques used data reduction, data presentation, and concluding. The results indicated that: (1) the student with low mathematical reasoning was unable to understand problems, un­able to determine problem-solving strategies, unable to implement plans, and unable to looking-back the solution; (2) the student with moderate mathematical reasoning was able to under­stand problems and determine problem-solving strategies, but unable to carry out plans and looking back the solution yet; (3) the student with high mathematical reasoning was able to understand problems, determine problem-solving strategies, carry out plans, and looking back at the solution; and (4) the causes of student errors, namely students did not write down all im­portant information in the problems, did not make supposition, and wrote problem-solving process unsystematically.
Penentuan sistem antrean dengan pertimbangan biaya dan kontrol kedatangan pasien: Studi kasus di Puskesmas Ungaran Semarang Albert Hosea Santoso; Hanifa Reygina Fajrin; Akhmad Sultoni; Dwi Ertiningsih
Pythagoras: Jurnal Matematika dan Pendidikan Matematika Vol 15, No 2: December 2020
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/pg.v15i2.35403

Abstract

Penelitian ini bertujuan untuk menentukan sistem antrean yang efektif dengan mempertimbangkan biaya dan kontrol kedatangan pasien pada fasilitas kesehatan: Puskesmas Ungaran, Semarang. Penelitian ini menggunakan data kuantitatif berupa waktu kedatangan pasien, waktu pelayanan pasien, jumlah pasien, dan jumlah pelayan. Tahapan-tahapan yang dilakukan dalam penelitian ini adalah menganalisis steady state dari sistem antrean, ukuran kinerja pada sistem antrean, keefektifan sistem antrean dengan pertimbangan biaya (cost), dan keefektifan sistem antrean dengan pertimbangan kontrol pada kedatangan pasien. Hasil analisis sistem antrean pada kedatangan pasien di loket pendaftaran, ruang dokter, dan loket apotek merupakan proses Poisson, sedangkan pelayanan pasien berdistribusi eksponensial. Jumlah pelayan dan biaya yang efektif pada masing-masing sistem antrean adalah dua pelayan dengan biaya Rp59.513 pada loket pendaftaran; empat pelayan dengan biaya Rp141.864 pada ruang dokter; dan satu pelayan dengan biaya Rp23.885 pada loket apotek. Rerata jumlah pasien dalam antrean dan sistem antrean masing-masing adalah dua pasien dan lima pasien. Rerata waktu pasien menunggu di dalam antrean maupun sistem antrean adalah 1,937 menit dan 8,883 menit. Lebih lanjut, ketika dilakukan kontrol pada kedatangan pasien, maka jumlah pasien yang diterima akan meningkat ketika biaya yang dibutuhkan puskesmas dalam menerima pasien diperbesar. Determination of the queuing system by considering costs and patient arrival control: A case study at Puskesmas Ungaran SemarangAbstractThe study aimed to determine an effective queuing system by considering costs and control of patient arrival at a health facility: Puskesmas Ungaran, Semarang, Indonesia. The study used quantitative data in patient arrival time, patient service time, number of patients, and number of servants. The stages carried out were analyzing the steady-state of the queuing system, performance measures of the queuing system, the effectiveness of the queuing system by considering costs, and the effectiveness of the queuing system by considering control of patient arrival. The result of the queuing system analysis at the arrival of the patient at the registration counter, doctor’s office, and pharmacy counter was a Poisson process, while patient service has an exponential distribution. The number of servants and costs in each of the effective queuing systems was two servants with costs 59,513 IDR at the registration counter; four servants with costs 141,864 IDR at the doctor’s office; and one servant with costs 23,885 IDR at the pharmacy counter. The average number of patients in the queue and queue system was two patients and five patients, respectively. The average time for patients to wait in the queue and queue system was 1.937 minutes and 8.883 minutes. Furthermore, when the patient arrival was controlled, the number of patients accepted will increase when the health center's costs to receive patients were increased. 
Analisis kesalahan siswa dalam menyelesaikan soal cerita matematika berdasarkan kriteria Watson Laely Mafruhah; Arif Muchyidin
Pythagoras: Jurnal Matematika dan Pendidikan Matematika Vol 15, No 1: June 2020
Publisher : Department of Mathematics Education, Faculty of Mathematics and Natural Sciences, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/pg.v15i1.26534

Abstract

Tujuan dari penelitian ini adalah untuk mendeskripsikan kesalahan yang dilakukan oleh siswa dalam menyelesaikan soal cerita matematika berdasarkan kriteria Watson dan faktor-faktor yang menyebabkan siswa melakukan kesalahan tersebut. Penelitian ini merupakan penelitian deskriptif kualitatif dengan melibatkan 44 siswa kelas VII MTs Yapik Sindangjawa, Cirebon sebagai subjek penelitian. Data jenis kesalahan dan faktor yang menyebabkan siswa melakukan kesalahan dalam menyelesaikan soal cerita matematika diperoleh melalui tes penyelesaian masalah berbentuk soal cerita matematika dan pedoman wawancara. Hasil penelitian menunjukkan bahwa subjek dalam penelitian ini melakukan kesalahan yang bervariasi dari delapan jenis kesalahan yang ada pada kriteria Watson. Jenis kesalahan yang sering dilakukan oleh siswa adalah Inappropriate Procedure (IP) yaitu prosedur yang digunakan tidak tepat, Omitted Conclusion (OC) yaitu tidak menuliskan kesimpulan, dan Above Other (AO) yaitu kesalahan lainnya seperti tidak mengerjakan soal. Adapun jenis kesalahan yang jarang dilakukan oleh siswa adalah Response Level Conflict (RLC) yaitu siswa berusaha menyelesaikan soal, namun menghasilkan kesimpulan yang kurang logis. Beberapa faktor penyebab siswa melakukan kesalahan dalam menyelesaikan soal cerita matematika adalah siswa tidak mengetahui rumus yang akan digunakan, kurangnya waktu dalam mengerjakan semua soal tes, dan siswa menganggap bahwa soal cerita merupakan soal yang sulit untuk diselesaikan. Analysis of students' errors in solving mathematical word problems based on Watson's criteriaAbstractThis study aimed to describe the errors made by students in solving mathematical word problems according to Watson’s criteria as well as factors that cause students to do that errors. This study was a qualitative descriptive study involved 44 seventh graders of MTs Yapik Sindangjawa, Cirebon, Indonesia as the subjects of this study. Data of error types and factors that lead students to do such errors in solving mathematical word problems were collected using the test of solving mathematical word problems and interview guidelines. The results showed that the subjects made various errors from the eight types of errors that exist in Watson's criteria. The types of errors that often made by students were Inappropriate Procedure (IP) namely using inappropriate procedures; Omitted Conclusion (OC) namely students not writing conclusions; and Above Other (AO) namely making other mistakes such as not giving a response towards the given problem. The type of error that was rarely made by students was Response Level Conflict (RLC), where students try to solve the problem but produce less logical conclusions. Some of the factors that cause students to do some errors in solving mathematical word problems namely students do not know the formula to be used to solve the given problems, lack of time to solve all problems of the test, and students think that the mathematical word problem was difficult to be solved.

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