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All Journal Media Statistika Kreano, Jurnal Matematika Kreatif-Inovatif Journal of the Indonesian Mathematical Society Journal of Mathematics and Mathematics Education Phenomenon : Jurnal Pendidikan MIPA Jurnal Elemen Beta: Jurnal Tadris Matematika Al-Khwarizmi: Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam MEJ (Mathematics Education Journal) Jurnal Riset Pendidikan dan Inovasi Pembelajaran Matematika (JRPIPM) Budimas : Jurnal Pengabdian Masyarakat Personifikasi: Jurnal Ilmu Psikologi Komunita: Jurnal Pengabdian dan Pemberdayaan Masyarakat Unnes Journal of Mathematics Education Jurnal Pendidikan MIPA
Getut Pramesti
Prodi Magister Pendidikan Matematika, Pascasarjana, FKIP – UNS
Religion Humanities Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Mathematics Physics Public Health Social Sciences Other

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Peningkatan Kualitas Pembelajaran Matakuliah Calculus I Kelas SBI Menggunakan Model Pembelajaran Multi Media Interaktif (MMI) Pramesti, Getut; Maryono, Dwi
Kreano, Jurnal Matematika Kreatif-Inovatif Vol 2, No 2 (2011): Kreano, Jurnal Matematika Kreatif-Inovatif
Publisher : Jurusan Matematika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Sema

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/kreano.v2i2.2621

Abstract

Calculus is a finite mathematics concepts to solve infinite mathematics problems. The subject which is given to students grade 1 and 2 semester, is a basic science to understanding the other subject on education mathematic program, Mathematics and science department, teacher training and education faculty, Sebelas Maret University. Learning of Interactive Multimedia (MMI) is one of  learning model based IT which can be used in Calculus I learning. This learning model have aim to enhance concept mastery and to improve the learning attitude of students a multimedia interactive based tutorial model of Calculus I is applied. This research is quasi experimental with subject on SBI class from the faculty of teacher training and education Sebelas Maret University with mathematical education as a experiment class and physic education as a control class. Research data were collected by using a concept mastery pretest, posttest and a questionnaire. Data analysis was conducted by using t –test. The result of this research show that the MMI learning have significance on improve Calculus learning quality and also improve the learning attitude of students.   Keywords: Calculus; Interactive multimedia; learning attitude
DEPENDENSI DALAM MODEL RESIKO INDIVIDUAL UNTUK ASURANSI JIWA KELOMPOK Pramesti, Getut; Kartiko, Sri Haryatmi
Journal of Mathematics and Mathematics Education Vol 1, No 1 (2011): Journal of Mathematics and Mathematics Education
Publisher : Journal of Mathematics and Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (555.593 KB)

Abstract

ABSTRACT: The  risk  dependence  of  an  insurance  portfolio  in  a  group  life  insurance  can  be  described  as  the individual risk model. It is used in modeling the claim distribution of insurance contracts over a fixed period  of  time.  The  distribution  computation  is  conducted  with  direct  calculation  throught  n convolution of individual claim distribution. We discuss the impact of the risk dependence on the net value of the stop–loss premium. A third risk factor in the dependence risk model is also introduced.Key words : The risk dependence, group life insurance, individual risk model, claim, the net value of the stop-loss premium.
Peningkatan Kualitas Pembelajaran Matakuliah Calculus I Kelas SBI Menggunakan Model Pembelajaran Multi Media Interaktif (MMI) Pramesti, Getut; Maryono, Dwi
Kreano, Jurnal Matematika Kreatif-Inovatif Vol 2, No 2 (2011): Kreano, Jurnal Matematika Kreatif-Inovatif
Publisher : Jurusan Matematika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Sema

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/kreano.v2i2.2621

Abstract

Calculus is a finite mathematics concepts to solve infinite mathematics problems. The subject which is given to students grade 1 and 2 semester, is a basic science to understanding the other subject on education mathematic program, Mathematics and science department, teacher training and education faculty, Sebelas Maret University. Learning of Interactive Multimedia (MMI) is one of  learning model based IT which can be used in Calculus I learning. This learning model have aim to enhance concept mastery and to improve the learning attitude of students a multimedia interactive based tutorial model of Calculus I is applied. This research is quasi experimental with subject on SBI class from the faculty of teacher training and education Sebelas Maret University with mathematical education as a experiment class and physic education as a control class. Research data were collected by using a concept mastery pretest, posttest and a questionnaire. Data analysis was conducted by using t –test. The result of this research show that the MMI learning have significance on improve Calculus learning quality and also improve the learning attitude of students.   Keywords: Calculus; Interactive multimedia; learning attitude
ANALISIS PEMAHAMAN KONSEP MATEMATIKA SISWA DALAM MENYELESAIKAN SOAL FAKTORISASI SUKU ALJABAR BERDASARKAN KESULITAN BELAJAR FAKTOR INTELEKTUAL SISWA PADA KELAS VIII B SMP N 8 SURAKARTA TAHUN AJARAN 2016/2017 Dewanti, Novita Ayu; Sujatmiko, Ponco; Pramesti, Getut
Phenomenon : Jurnal Pendidikan MIPA Vol 8, No 1 (2018): Jurnal Pendidikan MIPA
Publisher : Sains and Technology Faculty, Walisongo State Islamic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/phen.2018.8.1.2492

Abstract

This study aims to describe the understanding of students mathematical concepts in solving the factorization of algebraic tribes. The method used is descriptive qualitative. The subjects of the study were 6 students of class VIII B Surakarta State Junior High School 8 divided into 3 groups, namely the group of low, medium and high learning difficulties. Data collection techniques include tests and interviews. The results showed that (1) students who had low learning difficulties were able to master most of the indicators that were determined, only one indicator that had not been mastered, namely determining variables. (2) Students who have moderate learning difficulties have been able to master most of the indicators set, but there are indicators that have not been mastered, namely determining variables and there are several indicators that have not been smoothly mastered. (3) Students who have high learning difficulties have been able to master to determine examples of algebraic problems and students have not been able to master the indicators stating an operation, completing various algebraic forms, operating and using them.
DISTRIBUSI RAYLEIGH UNTUK KLAIM AGREGASI Pramesti, Getut
MEDIA STATISTIKA Vol 4, No 2 (2011): Media Statistika
Publisher : Department of Statistics, Faculty of Science and Mathematics, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (234.82 KB) | DOI: 10.14710/medstat.4.2.105-112

Abstract

An Aggregation of claims are claims the sum of individual claims can be described in a distribution of collective risks that occur in a single period of insurance. Distribution is depicted in a probability density function and cumulative density function. These functions can also describe the characteristics of the distribution through the mean and variance. Writing this paper is to determine the aggregate claims model with a amount individual claims Rayleigh distributed and the number of claims Poisson distributed. Discussion of the results obtained showed that the model's claim depends on the aggregation of individual claims and the number of claims that occurred during the period of insurance.   Keywords: Aggregation, Claim, Rayleigh
Multivariate analysis on students' cognitive assessment, attitude, and skill evaluation in problem-based learning Santoso, Sabar; Pramesti, Getut
Mathematics Education Journal Vol. 8 No. 2 (2024): MEJ Vol 8 No.2
Publisher : Department of Mathematics Education University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/mej.v8i2.32372

Abstract

To improve the quality of education, the Ministry of Education and Culture of the Republic of Indonesia designed the "Merdeka" curriculum. With this curriculum, there are three learning outcomes, namely cognitive (knowledge), affective (character or attitude), and psychomotor (skills) domains. The learning that can be applied to the "MERDEKA" curriculum is the problem-based learning model. The significance of a variable in the learning process is very important to research to evaluate the learning process, especially in problem-based learning. Thus, the research objective of this study is to provide evidence of the significance of students’ cognitive assessment, attitude, and skill evaluation in mathematics learning. This study is a quantitative research using two-way multivariable analysis of variance (MANOVA), to determine the significance of cognitive assessment (assessment of learning outcomes), character or attitude, and skills evaluation in three classes of VIII students using problem-based learning (PBL). A two-way MANOVA analysis was carried out with students' class and gender factors, using measurement variables: cognitive assessment, attitude, and skill evaluation. From the results of the analysis, it was found that problem-based learning can be applied to Mathematics classes because, with this learning, both male and female students, the student's cognitive assessment is equally good in the significance level 5%. The differences in attitude and skill evaluation occurred because of the uniqueness of male and female students.
Is Learning Trajectory Necessary for Mathematics Junior High School Students’ Understanding Ability? Pramesti, Getut; Surjatiningsih , Mahanani; Nastiti, Bela Talita Yuli
Unnes Journal of Mathematics Education Vol. 13 No. 2 (2024): Reguler Issue
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/ujme.v13i2.11587

Abstract

A learning trajectory (LT) is needed to help teachers prepare materials, methods, and strategies to achieve learning objectives, activities, and student expectations. Hence, the purpose of this study is to determine the necessity of the LT by providing evidence of the significance of learning trajectory in improving mathematics junior high school students' conceptual understanding abilities. This quantitative research used descriptive analysis and inference by using univariate and multivariate statistical analysis. The population in this study were eighth-grade students of Public Junior high school in Surakarta Indonesia. We chose 32 students as a sample subjected to the LT class, whereas 31 were subjected to the non-LT class. We analyze the mathematics concept student’s understanding ability and its components. With a confidence level of 95%, the results showed that the mathematics concept of junior high school student's understanding ability in LT classes was better than students' understanding of concepts in non-LT classes. The unique findings of this research are that students' understanding abilities in restating a concept and classifying objects according to certain properties of the concept are the same for both LT and non-LT classes. In non-LT classes, students' ability to develop necessary or sufficient conditions for a concept is better than in LT classes. Meanwhile, the understanding abilities of LT classes that are better than those in non-LT classes include giving examples and non-examples of a concept, presenting concepts in the form of mathematical representations, using and utilizing and selecting certain operating procedures, and applying concepts or algorithms to solutions.
The Effect of Online and Face-to-Face Active Learning on The Students’ Social Skills in The Post-Pandemic Pramesti, Getut
Al-Khwarizmi : Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam Vol. 12 No. 2 (2024): Al-Khwarizmi : Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam
Publisher : Prodi Pendidikan Matematika FTIK IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/jpmipa.v12i2.4096

Abstract

Abstract:Online learning during the COVID-19 pandemic (SARS-CoV-2) isolated students for three years, leading to several consequences, one of which is social skills. This study compares cognitive abilities, social presence, social interaction, collaboration, and student satisfaction in online and offline learning from the perspective of gender differences among students. Social presence, social interaction, collaboration, and student satisfaction are structural components of social skills. The research employs multivariate covariance analysis with basic statistics courses as the covariate variable. The population includes all Mathematics Education students at a public university in Surakarta. The sample was obtained through random cluster sampling, specifically, second-semester students enrolled in data analysis techniques courses. The results indicate significant differences in cognitive abilities, social interaction, collaborative learning, and satisfaction between the two learning modalities. The social skills of students post-COVID-19 are unique to each gender.   Abstrak:Pembelajaran daring di masa Pandemi COVID-19 (SARS-CoV-2) mengisolasi mahasiswa selama 3 tahun, menimbulkan beberapa konsekuensi, salah satunya keterampilan sosial. Penelitian ini membandingkan kemampuan kognitif, kehadiran sosial, interaksi sosial, kolaborasi, dan kepuasan siswa dalam pembelajaran online dan offline dari sudut pandang perbedaan jenis kelamin siswa. Kehadiran sosial, interaksi sosial, kolaborasi, dan kepuasan siswa merupakan bagian struktur dari ketrampilan sosial. Penelitian ini menggunakan analisis kovarian multivariat dengan matakuliah statistika dasar sebagai variabel kovariat. Populasi meliputi seluruh mahasiswa Pendidikan Matematika di perguruan tinggi negeri di Surakarta. Sampel diambil secara random cluster sampling, yaitu mahasiswa semester 2 yang mengambil mata kuliah teknik analisis data. kemampuan kognitif, interaksi sosial, pembelajaran kolaboratif, dan kepuasan pada kedua pembelajaran tersebut berbeda secara signifikan. Kemampuan sosial siswa pasca COVID-19 bersifat unik untuk setiap jenis kelamin siswa.
Signal Processing Of The One-Factor Mean-Reverting Model In Energy System Pramesti, Getut; Saptono, Ristu
Journal of the Indonesian Mathematical Society Vol. 31 No. 2 (2025): JUNE
Publisher : IndoMS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jims.v31i2.1951

Abstract

One of the models that can be considered in the energy system is the one-factor mean-reverting process. We propose the one-factor mean-reverting model with sinusoidal signal processing involved. The frequency component of the model can be estimated with a high-frequency scheme. The estimation of the frequency component is believed to produce a precise estimate. This is because the high-frequency scheme has the potential to handle possible non-linear coefficient cases in a unified way, that is, $nh\to \infty$, and $nh^{2}\to 0$. This paper shows that the frequency component estimator in the one-factor mean-reverting model is strongly consistent with the rate convergence, namely $\sqrt{(nh)^3}$. It is also can be shown that the estimator has a normal approximation with a mean of 0 and variance $\frac{1}{6}(1+\theta^{2})$. We applied the proposed model to the energy systems data.
Assessing the Effectiveness of Creative Problem-Solving Learning on Mathematical Creativity and Communication Across Varying Self-Regulation Levels Pramesti, Getut; Mardaningtyas, Falerinda
Jurnal Pendidikan MIPA Vol 26, No 3 (2025): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v26i3.pp1515-1526

Abstract

This study aims to determine which learning model, Creative Problem Solving (CPS) or direct learning, and which level of self-regulated learning, high, medium, or low, is better for increasing mathematical creative thinking and mathematical communication skills. The research method used is quantitative research with a quasi-experimental design. The sampling technique employed cluster random sampling, resulting in the selection of Class VII D, which was assigned the direct instruction model, and Class VII E, which was assigned the CPS model. Data analysis in this study utilized multivariate analysis of variance. The results of the study indicate that, in terms of mathematical creative thinking and mathematical communication skills, the CPS learning model is better than the direct learning model, students with high self-regulated learning are better than students with moderate self-regulated learning, and both are better than students with low self-regulated learning. Additionally, there was no interaction between the learning model and students' self-regulated learning. There are still limited studies discussing the application of the CPS model on mathematical creative thinking and mathematical communication skills from the perspective of self-regulated learning so that this study can contribute to the existing literature on this topic.    Keywords: creative problem solving, self-regulated learning, mathematical creative thinking skill, mathematical communication skill.
Co-Authors Cahyarani, Sanggita Nariswari Dhidhi Pambudi Dwi Maryono Fitriana, Laila Hadi Prayitno, Hadi Imam Sujadi Isnandar Slamet, Isnandar Listiyanto, Fajar Mardaningtyas, Falerinda Nastiti, Bela Talita Yuli Novita Ayu Dewanti, Novita Ayu Permata, Seta Galih Ristu Saptono Rohman, Rifki Arifur Salsabila, Nabila Shafa Santoso, Sabar Sri Haryatmi Kartiko Sujatmiko, Ponco Surjatiningsih , Mahanani Triyanto Umiyati, Tien Wiraya, Ario