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Journal : JURNAL CURERE

ANALISIS DISKRIMINAN FAKTOR-FAKTOR YANG MEMPENGARUHI INDEKS PRESTASI KUMULATIF MAHASISWA PENDIDIKAN MATEMATIKA UNIVERSITAS HKBP NOMMENSEN MEDAN Depari, Victory; Simanjuntak, Ruth Mayasari; Simbolon, Lolyta Damora
Jurnal Curere Vol 8, No 2 (2024): JURNAL CURERE
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/jc.v8i2.1517

Abstract

The Cumulative Grade Point Average (GPA) is used in higher education to measure how well students perform in their studies. Mathematics Education students have varying GPAs each semester due to various factors. The aim of this study is to determine the type of discriminant function, or discriminant model, and identify the components that significantly influence the GPA of Mathematics Education students at HKBP Nommensen University. Another goal is to assess the accuracy of the discriminant function classification. This study involved 50 active students from the Mathematics class of 2020, 2021, and 2022. The sample was taken using a simple random sampling technique, and the research type used was quantitative, as the results are in numerical form and will be analyzed quantitatively using discriminant analysis. The research method employed is also quantitative. Based on the results, a discriminant model was obtained that describes the factors influencing the GPA of Mathematics Education students, with the equation: Y= 0.119 + 6.138X₄ + 8.120X₆ -13.910X₉. The variables that significantly affect GPA are learning motivation, mental health, and campus environment. This discriminant model can classify students with 100% accuracy, allowing it to be used to determine whether a student has a GPA below 3.75 or above/equal to 3.75. 
PENGARUH NUMBERED HEAD TOGETHER (NHT) DENGAN METODE DEMONSTRASI DALAM MENINGKATKAN KEMAMPUAN PEMAHAMAN KONSEP MATEMATIKA SISWA PADA MATERI BANGUN DATAR KELAS VIII DI SMP SWASTA FREE METHODIST 1 MEDAN T.A 2023/2024 Pasaribu, Jonson Jusufri; Simanjuntak, Ruth Mayassari; Simbolon, Lolyta Damora
Jurnal Curere Vol 8, No 2 (2024): JURNAL CURERE
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/jc.v8i2.1506

Abstract

This study aims to determine whether there is an effect of the Numbered Head Together (NHT) model with the Demonstration Method in improving students' mathematical concept understanding ability in class VII of SMP Swasta Methodist Merdeka 1 Medan. The type of research used in this research is Quasi experiment with test instruments. The population in this study were all VII grade students of SMP Swasta Methodist Merdeka 1 Medan consisting of 4 classes. By using cluster random sampling technique, the samples in this study were class VII-2 as the experimental class and class VII-3 as the control class. Based on calculations in the experimental class, the ability to understand mathematical concepts has an average value of = 76.03. In the control class, the ability to understand mathematical concepts of students has an average value of  = 58.63. By looking at the average results of the abilities obtained between the two classes, it can be concluded that the Numbered Head Together (NHT) model with the Demonstration method has a higher effect than the conventional learning model on the ability to understand students' mathematical concepts on the material of Square Flat Buildings in class VII SMP Swasta Methodist 1 Medan.
Co-Authors Abdul Munif Adi Suarman Situmorang, Adi Suarman Agusmanto Hutauruk Anatasia Korin Hutagalung Arthur Simanjuntak Astri Mahyuni Br Malau Bancin, Resy Karina Christine br. Kembaren, Halmaliana Lorensia Christina Sitepu Debora Nainggolan Depari, Victory Edward Dohardo Saragih Elisabeth Margareta Enjel Vania Sitinjak Erni Kusrni Sitinjak Friti Silvia Dora Br Tarigan Ginting, Audy Christie Putri Br Golda Novatrasio Sauduran Grace Florida Manurung Gultom, Sanggam P. Hardi Tambunan Henni Natalia Sijabat JB. Hutauruk, Agusmanto Kornelia Lumban Toruan Kristiani Br Manik lasma siagian Lena Rosdiana Pangaribuan Lince Yusnizar Lumban Gaol, Ika Royani Maharadja, Sondry Yandropa Malau, Farmin Manik, Efron Manulang, Ady Frenly Mardahai, Nunut Marihat Situmorang Martua Reynhat Sitanggang Masta Magdalena Silalahi Melinda Nababan Monalisa Frince S Naibaho, Tutiarny Ndruru, Enjeli Ratna Sari Pandiangan, Ernawati Pangaribuan, Lena R Pangaribuan, Lena R. Panggabean, Marissa Nurianna Panjaitan , Ike Panjaitan, Ike Theresia Panjaitan, Ike Theresia Handayani Br Panjaitan, Simon M Panjaitan, Simon Maruli Pasaribu, Jonson Jusufri Purba, Switamy Agnitha Purba, Switamy Angnitha Rani Farida Sinaga Rapina Maya Sari Tarigan Roulina, Roulina Ruth Mayasari Simanjuntak Santa Sitepu Sauduran, Golda Novatrasio Sianturi, Ria Irawaty Sibarani, Ricky Fajar sihombing, dame ifa Silaban, Riandy Roynaldo Simanjuntak, Ruth Mayassari Sinaga, Crista Voni Roulina Sirait, Debora Siregar, Golda Novatrasio Sitanggang, Febrianti Br Sitanggang, Leo Agustinus SITINJAK, ERNI KUSRINI Situmorang, Mahanda Dinaria Tambunan, Hardi Tarigan, Natalia Perbina Br