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EKSPERIMENTASI PEMBELAJARAN MATEMATIKA MENGGUNAKAN PEMBELAJARAN KOOPERATIF TIPE TEAM ASSISTED INDIVIDUALIZATION DAN TIPE GROUP INVESTIGATION PADA MATERI PERSAMAAN DAN PERTIDAKSAMAAN KUADRAT DITINJAU DARI GAYA BELAJAR KOLB PADA SISWA SMA NEGERI KELAS X Harmini, Triana; Sujadi, Imam; Sari S, Dewi Retno
Jurnal Pembelajaran Matematika Vol 2, No 5 (2014): Pembelajaran Matematika
Publisher : Jurnal Pembelajaran Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (267.9 KB)

Abstract

Abstract:The objectives of this research were to determine: (1) which students had the better mathematics learning achievement, instructed with TAI, GI, or direct instruction;  (2) which students had the better mathematics learning achievement, those with the converger, diverger, assimilator, or accommodator learning style; (3) in each learning style, which  students had better mathematics learning achievement, instructed with TAI, GI, or direct instruction; (4) in each learning model, which students had a better mathematics learning achievement, those with the converger, diverger, assimilator, or accommodator learning style. This study was  aquasi-experimental study with 3 x 4 factorial designs. Data analysis used unbalanced two-way ANAVA with a significance level of 5%. The study population was a tenth grade student of State SMA in Ponorogo in academic year of 2013/2014. Sampling was done by stratified cluster random sampling technique. The study sample consisted of students in 3 schools namely SMA Negeri 3 Ponorogo, SMA Negeri 1 Kauman, and SMA Negeri 1 Balong with a sample size of 275 students.. The results of the research are as follows. (1) The students instructed with TAI had learning achievement as good as GI, those with TAI had learning achievement better than those with direct instruction, while those GI had learning achievement as good as those with direct instruction. (2)The students with the converger learning style had learning achievement as good as those with the diverger learning style, the students with the converger learning style had learning achievement better than those with the assimilator and accommodator learning style, the students with the diverger, assimilator, and   accommodator learning style had a same learning achievement. (3) In each learning style, the students mathematics learning achievement was in consistency with the result (1); (4) In each learning model, the students mathematics learning achievement was in consistency with the result (2). Keywords: TAI, GI, Direct Instruction, learning styles, and learning achievement
PENGARUH KESIAPAN BELAJAR TERHADAP PRESTASI BELAJAR MAHASISWA PADA PEMBELAJARAN KALKULUS Harmini, Triana
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol 2 No 2 (2017): Mathline
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (294.637 KB) | DOI: 10.31943/mathline.v2i2.42

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This study aims to determine whether or not a significant relationship between the readiness of learning and students' achievement in Calculus. This study was conducted in the odd semester of the academic year 2016/2017. The population in this study is the students of Informatics Engineering, University of Darussalam Gontor who took calculus course consisting of 50 people. Data collection in this research using questionnaire and documentation method.The research instruments used are questionnaire.  Techniques of analysis data  used are Product Moment correlation and simple linear regression analysis with prerequisite analyses those are normality and linearity test applied to know the influence of readiness study toward the students' achievement in Calculus course. The analysis result of Product Moment correlation show that the coefficient of readiness is 0.808 with significance score 0,00. This means that there is a positive and significant correlation between the readiness of learning and the students' achievement in the Calculus course. While the results of Linear Regression analysis shows that determination coefficient is 0.652. It means that the readiness of study gives an effect of 65,2% on the students' achievement in Calculus course.
Eksperimentasi Mobile Learning Pada Mata Kuliah Kalkulus Integral Ditinjau Dari Kemampuan Bekerjasama Siti Suprihatiningsih; Nugroho Arif Sudibyo; Triana Harmini
Buana Matematika : Jurnal Ilmiah Matematika dan Pendidikan Matematika Vol 10 No 1 (2020)
Publisher : Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3784.029 KB) | DOI: 10.36456/buanamatematika.v10i1.2488

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The covid-19 pandemic period like now requires to find an alternative learning that is effectively used. It drives a changing method of learning from face-to-face to online. One alternative in learning today is the use of smartphones or commonly referred to as mobile learning. This study aims to determine: 1) differences in student mathematics learning achievement with learning through mobile learning and google classroom, 2) interaction between learning through mobile learning and the ability to work together with students towards mathematics learning achievement, 3) differences in student mathematics learning achievement at the level of ability cooperate. The subjects of this study were students of the Mathematics Education Study Program STKIP Pamane Talino who took 68 Integral Calculus courses consisting of 2 classes. The research was conducted in 5 meetings. Each group was taught with the same material. The instruments in this study were test and questionnaire. The research method used was quasi experiment with 2x3 factorial design approach. The data analysis test used was the two-way ANAVA test with the analysis prerequisites in the form of a normality test and a homogeneity test. The results of data analysis show that the data are normally distributed and homogeneous. Thus, it can be concluded that: (1) learning with Mobile Learning media is more effective than learning with Google Classroom media, (2) the level of ability to work together high, medium and low gives different effects on student mathematics learning achievements and (3) students with all levels of ability to work with learning media Mobile Learning and Google Classroom provide equally good learning achievements.
The effect of the use of Differentiated Instruction-Based Module on students’ learning motivation Harmini, Triana; Effendi, Lukman
Unnes Journal of Mathematics Education Vol 7 No 3 (2018): 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.v7i3.26764

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The use of modules as teaching materials in the learning process is very important in order to improve the learning outcomes. The differentiated instruction based module is a learning module that differentiates instruction based on the differences of students ability level. Thereupon, the objectives of this study were: (1) to find out the differences of students' mathematics learning motivation before and after the use of differentiated instruction-based module, (2) to determine the effect of using differentiated instruction-based learning module on students’ mathematics learning motivation. This study used a quantitative approach and mathematics learning motivation questionnaire as the technique of collecting data. Also, to analyze the data this study used the T-Test (paired Samples T-Test) with the prerequisite of analysis, namely the normality and homogeneity test. Eventually, the results of analysis prerequisite analysis showed that both data were normally distributed and homogeneous. Meanwhile, the results of the t-test showed that there were significant differences between students’ mathematics learning motivation before and after the use of the differentiated instruction based learning module.
Efektivitas Penggunaan Modul Berbasis Differentiated Instruction untuk Meningkatkan Kemampuan Pemahaman Konsep Matematika Mahasiswa Triana Harmini
Didaktik Matematika Vol 6, No 2 (2019): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (455.64 KB) | DOI: 10.24815/jdm.v6i2.14293

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Teaching material is an essential component of learning. Teaching materials for Calculus courses, especially for the Department of Informatics, remains limited and orients towards a collection of materials and questions that cannot overcome the differences in student characteristics. Therefore, in the form of learning modules that can accommodate variations in student characteristics is a crucial need in teaching material. In this study, the learning module based differentiated instruction was compiled by taking into account the different characteristics of student ability levels. This study aimed to determine the effectiveness of Calculus learning by using learning modules based on differentiated instruction to students' conceptual understanding of the material of qualities and inequalities of absolute value. This research was experimental research and the subjects were the Informatics Engineering students of the University of Darussalam Gontor, enrolled in the first semester in the academic year 2018-2019. The research instrument was tests of conceptual understanding consisting of short-answer problems given at the beginning and the end of learning. The design of this study used One-Group Pretest-Postest Design and data analysis involved a Wilcoxon test due to the small number of subjects (25 people). The results of the analysis showed that the use of the learning modules based on differentiated instruction effectively enhanced the mathematical conceptual understanding of students.
Sistem Pendukung Keputusan Pemilihan Program Studi Bagi Mahasiswa Baru Menggunakan Metode Analytic Hierarchy Process (AHP) Kelvin Pradana; Triana Harmini; Dihin Muriyatmoko; Oddy Virgantara Putra
Prosiding SNST Fakultas Teknik Vol 1, No 1 (2021): PROSIDING SEMINAR NASIONAL SAINS DAN TEKNOLOGI 11 2021
Publisher : Prosiding SNST Fakultas Teknik

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Abstrak— Panitia Penerimaan Mahasiswa Baru (PMB) Universitas Darussalam Gontor (UNIDA Gontor) selama ini menentukan program studi bagi calon mahasiswa baru dengan cara interview tanpa mempertimbangkan nilai ujian masuk. Proses interview membutuhkan waktu yang lama sehingga kurang effisien. Sehingga dibutuhkan solusi untuk mempercepat dalam menentukan program studi. Penelitian ini bertujuan untuk mempercepat dalam menetapkan program studi di UNIDA Gontor. Model pengambilan keputusan yang digunakan adalah AHP yang mampu untuk memperhitungkan hal-hal yang bersifat kuantitatif dan kualitatif. Hasil perhitungan AHP sudah sesuai dengan aturan yang diterapkan oleh panitia pendaftaran mahasiswa baru yaitu, rencana studi sampai S1, kesanggupan financial, nilai mata pelajaran, motivasi dan catatan lain. Hasil implementasi menunjukan bahwa Sistem Pendukung Keputusan dapat berfungsi serta membantu dan memudahkan dalam pengolahan data hasil tes dan pemilihan program studi di UNIDA Gontor. Penelitian selanjutnya akan diterapkan pada sistem informasi pandaftaran mahasiswa baru UNIDA Gontor berbasis web.
The Effect of the Flipped Classroom Learning Model on Students’ Learning Outcome in Multivariable Calculus Course Triana Harmini; Nugroho Arif Sudibyo; Siti Suprihatiningsih
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 8, No. 1, May 2022
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v8i1.10854

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The COVID-19 pandemic that occurred starting in early December 2019 had a major impact on the world of education. Therefore, it is necessary to develop a flipped classroom-based mathematical learning model. The purpose of this study was to find out the effect of flipped classroom-based mathematical learning model on students of the Mathematics Education study program on Multivariable Calculus courses. This research is a pseudo-experimental study. The subject of this study is a mathematics education student who is pursuing multivariable calculus courses that are directly involved in the learning model applied at West Kalimantan which is divided into two classes with each class consisting of 15 students. Experimental classes are given learning using Flipped Classroom-based learning models while control classes are given learning with online learning using google classroom. This research design uses a randomized control group posttest only design. Data analysis techniques also use Mann-Whitney nonparametric hypothesis tests. The results of the study that has been conducted show a significance value of 0.015 less than the significance level of 0.05 so it can be concluded that there is a real difference between the control learning model and the Flipped Classroom model or the flipped classroom learning model effective to improve student learning outcomes.
Rancang Bangun Sistem Informasi Akuntansi PT. Zenith Material Solution Berbasis Web Muhammad Nurrizky Ekaputra; Aziz Musthafa; Triana Harmini; Ely Windarti Hastuti
Fountain of Informatics Journal Vol 6, No 1 (2021): Mei
Publisher : Universitas Darussalam Gontor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/fij.v6i1.4973

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AbstrakPT. Zenith Material Solution adalah perusahaan yang menjadi bagian dari MR Corporation yang berada di wilayah Tambun Selatan, Bekasi, Jawa Barat. Perusahaan ini berfokus kepada bisnis plastik serta bahan PVC untuk bahan baku industri. Rumusan masalah dari penelitian ini yaitu belum terintegrasinya data transaksi perusahaan dengan penjurnalan di PT. Zenith Material Solution. Tujuan dari penelitian ini adalah untuk merancang suatu sistem informasi akuntansi untuk PT. Zenith Material Solution yang didalamnya terdapat integrasi antara data transaksi perusahaan dengan penjurnalan. Sistem informasi akuntansi ini menggunakan bahasa pemrograman PHP yang dibantu dengan framework Laravel versi 5.8. Perancangan sistem dilakukan menggunakan metode waterfall. Pengujian fungsi fitur pada sistem informasi akuntansi ini menggunakan metode black-box dengan hasil yaitu fitur-fitur pada sistem dapat berjalan dengan baik sesuai dengan fungsinya, sedangkan pengujian kepada pengguna menggunakan kuesioner pernyataan kepada staf akuntan PT. Zenith Material Solution serta kuesioner uji validitas sistem akuntansi kepada validator ahli. Hasil penelitian ini adalah sistem informasi akuntansi berbasis web yang mampu mengintegrasikan antara transaksi pembelian ataupun penjualan dengan penjurnalan sehingga dapat menghasilkan output berupa laporan keuangan yang valid. Untuk tahap selanjutnya, sistem dapat dikembangkan kembali dengan penambahan fitur seperti menu akun dan buku besar pembantu, fitur cetak faktur pajak serta fitur cetak surat jalan.Kata kunci: Sistem Informasi Akuntansi, Integrasi, Transaksi, Laporan Keuangan, PT Zenit Abstract[Design and Building of Web-based Accounting Information System of Zenith Material Solution Incorporation] Zenith Material Solution Inc. is a company that is being part of MR Corporation placed at South Tambun, Bekasi, West Java. This company focused on plastics and PVC business as raw materials for industries. The problem is that the company's transaction data has not been integrated with journalizing at Zenith Material Solution Inc. This research proposes an accounting information system that includes integration between the company's transaction data and journalizing. This accounting information system created using PHP programming languages, which assisted with Laravel framework 5.8. It has been designed with a waterfall method. Function's features of this accounting information system are tested with the black-box way, where its result that the parts of this system can run well with their respective functions. Besides, users are trying to use a statement questionnaire to the accountants of Zenith Material Solution and a questionnaire to test the accounting system's validity to expert validators. These research results are a web-based accounting information system that can integrate purchase or sales transaction data with journalizing to produce output in the form of accurate financial reports. The next research can be developed with features such as the account menu and subsidiary ledger, tax invoice printing, and delivery order printing features.Keywords: Accounting Information System, Integration, Transaction, Financial Reports, PT. Zenit
Media Pembelajaran Bahasa Jepang Berbasis Mobile Faisal Reza Pradhana; Triana Harmini; Febri Vicky Allen; Oddy Virgantara Putra
Fountain of Informatics Journal Vol 5, No 3 (2020): Specials Issue November - Seminar Nasional Sains dan Teknologi
Publisher : Universitas Darussalam Gontor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/fij.v5i3.4947

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AbstrakBahasa  Jepang  merupakan  salah  satu  bahasa  asing  yang  banyak  diminati  dan dipelajari oleh berbagai kalangan di Indonesia, karena Bahasa Jepang memiliki keunikan  tersendiri. Kelompok Studi Bahasa (KSB) Jepang merupakan salah satu Unit Kegiatan Mahasiswa (UKM) di Universitas Darussalam (UNIDA) Gontor sebagai wadah untuk belajar bahasa Jepang. Metode pembelajaran yang digunakan masih konvensional berupa diskusi bersama. Hal ini menyebabkan mahasiswa kesulitan dalam mempelajari kosakata, pola kalimat dan ungkapan Bahasa Jepang. Tujuan penelitian ini adalah menunjang pembelajaran bahasa Jepang mahasiswa di UNIDA Gontor khususnya untuk anggota KSB Jepang. Pengerjaan aplikasi ini menggunakan langkah - langkah metode waterfall. Pengujian aplikasi Da.N.Go ini dilakukan dengan 5 pengujian. Uji pertama dengan metode blackbox menunjukkan bahwa aplikasi sudah berjalan lancar dan tidak ada error. Uji kedua penggunaan perangkat keras dengan lima buah media smartphone berbagai merk dan ukuran layar menunjukkan aplikasi berjalan dengan baik pada smartphone berukuran minimal 4.1 inchi dengan spesifikasi sistem operasi minimal Android 5.0 (Lollipop). Uji ketiga dilakukan kepada seorang ahli materi pembelajaran Bahasa Jepang memberikan nilai 92%. Uji keempat dilakukan kepada beberapa anggota KSB Jepang memberikan nilai rata-rata 88%. Uji kelima dilakukan kepada pengguna umum Google Playstore mulai tanggal 15 Agustus 2020 – 28 Oktober 2020 menghasilkan nilai 4.6 dari 5 (total rating tertinggi) berjumlah 37 orang  (https://play.google.com/store/apps/details?id=dango.vicky.daisukinanihongo). Media ini bersifat sebagai media penunjang proses pembelajaran bahasa Jepang tetapi tidak dapat menggantikan peran guru yang sesungguhnya. Bagi peneliti atau pengembang selanjutnya diharapkan untuk dapat disempurnakan sampai seluruh mahasiswa dan dosen bisa menggunakan dan memanfaatkan aplikasi ini di masa depan.Kata kunci: Media Pembelajaran, Android, Bahasa Jepang. Abstract[Mobile Based Japanese Language Learning Media] Japanese is one of the foreign languages that are in great demand and studied by various groups in Indonesia because Japanese has its uniqueness. The Japanese Language Study Group is one of the UKM at the UNIDA Gontor as a forum for learning Japanese. The learning method used is still conventional in the form of collective discussion. It causes students to have difficulty learning Japanese vocabulary, sentence patterns, and expressions. This research aims to support the Japanese language learning of students at UNIDA Gontor, especially for members of the Japanese KSB. The execution of this application uses the waterfall method steps. Testing the Da.N.Go application is carried out with five tests. The first test with the black box method shows that the application runs smoothly, and there are no errors. The second test of using hardware with five smartphone media of various brands and screen sizes shows that the application runs well on a smartphone with a minimum length of 4.1 inches with a minimum operating system specification of Android 5.0 (Lollipop). The third test was conducted on an expert in Japanese learning materials giving a score of 92 %. The fourth test was carried out on several Japanese KSB giving an average score of 88%. The fifth test was conducted on general users of Google Playstore from 15 August 2020 - 28 October 2020, resulting in a 4.6 out of 5 (highest total rating) totaling 37 people (https://play.google.com/store/apps/details?id=dango.vicky.daisukinanihongo). This media has the character of supporting the Japanese language learning process, but it cannot replace the real teacher's role. For further researchers or developers, it is hoped that it can be refined so that all students and lecturers can use and utilize this application in the future.Keywords: Learning Media, Android, Japanese Language.
COMPUTATIONAL THINKING ABILITY STUDENTS BASED ON GENDER IN CALCULUS LEARNING Triana Harmini; Pradipta Annurwanda; Siti Suprihatiningsih
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 9, No 4 (2020)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (173.276 KB) | DOI: 10.24127/ajpm.v9i4.3160

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The purpose of this study was to determine differences in the computational thinking skills of first students of the Department of Informatics Engineering based on genders. This study uses quasi-experimental methods. The subjects in this study were semester two students of the Department of Informatics Engineering in 2019/2020. The research subjects were 34 male students and 23 female students. Methods of data collection using tests and observations. The research instrument used was a computational thinking ability test and an observation sheet. Data analysis using a t-test (independent sample) with analysis prerequisites in normality and homogeneity tests. Test analysis utilizing the help of IBM SPSS Statistics 20. The study of research data shows that there are significant differences between the computational thinking ability of male and female students. The average results of the computational thinking ability test showed that male students' computational thinking ability is better than the female students' computational thinking ability. The male and female students' computational thinking skills reach the generalization stage, where male students can find solutions directly through easy-to-understand and straightforward ideas. Meanwhile, female students can explain the flow and concepts used to solve problems.  AbstrakTujuan penelitian ini adalah untuk mengetahui perbedaan kemampuan berpikir komputasi mahasiswa semester awal jurusan Teknik Informatika berdasarkan jenis kelamin. Penelitian ini menggunakan metode eksperimen semu. Subjek dalam penelitian ini adalah mahasiswa semester 2 jurusan Teknik Informatika tahun ajaran 2019/2020. Subjek penelitian adalah 34 siswa laki-laki dan 23 siswa perempuan. Metode pengumpulan data menggunakan tes dan observasi. Instrumen penelitian yang digunakan adalah tes kemampuan berpikir komputasi dan lembar observasi. Analisis data menggunakan uji-t dengan prasyarat analisis berupa uji normalitas dan homogenitas. Uji analisis menggunakan bantuan IBM SPSS Statistics 20. Hasil penelitian dapat disimpulkan bahwa terdapat perbedaan yang signifikan antara kemampuan berpikir komputasi siswa laki-laki dan perempuan. Hasil rata-rata tes kemampuan berpikir komputasi diperoleh bahwa kemampuan berpikir komputasi siswa laki-laki lebih baik daripada kemampuan berpikir komputasi siswa perempuan. Kemampuan berpikir komputasi mahasiswa putra dan putri mencapai tahap generalisasi, dimana mahasiswa putra mampu mencari penyelesaian secara langsung melalui ide sederhana dan mudah dipahami. Sedangkan mahasiswa putri mampu menjelaskan alur dan konsep yang digunakan untuk menyelesaikan masalah.