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Siahaan, Meiva Marthaulina Lestari

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Author-ID : 1381269

Religion Agriculture, Biological Sciences & Forestry Humanities Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Physics Public Health Social Sciences Other

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Deskripsi Kemampuan Pembuktian Langsung Mahasiswa pada Matakuliah Analisis Variabel Riil Fitriani Fitriani; Meiva Marthaulina Lestari Siahaan
RANGE: Jurnal Pendidikan Matematika Vol. 4 No. 1 (2022): RANGE Juli 2022
Publisher : Pendidikan Matematika UNIMOR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jpm.Vol4.Iss1.2715

Penelitian kualitatif ini dilakukan untuk mengetahui gambaran dari kemampuan mahasiswa dalam membuktikan suatu pernyataan matematika pada mahasiswa yang memprogramkan matakuliah analisis variabel riil. Kemampuan pembuktian langsung menjadi kemampuan yang harus dimiliki mahasiswa untuk lulus pada matakuliah analisis variabel riil. Mahasiswa diberikan instrumen berupa soal pembuktian matematis dengan beberapa alternatif jawaban pembuktian. Jawaban mahasiswa direduksi dengan mengelompokkan jawaban pembuktian langsung yang sejenis. Selanjutnya dipilih mahasiswa untuk diwawancarai berdasarkan perwakilan masing-masing kelompok jawaban tersebut. Hasil penelitian menunjukkan bahwa masih terdapat mahasiswa yang tidak mengetahui langkah awal atau pernyataan awal yang digunakan untuk menyusun argumen pembuktian langsung. Namun, ada pula mahasiswa yang sudah dapat menyusun argumen pembuktian dengan baik dan disertai penjelasan untuk setiap argumen yang dituliskan. Hasil penelitian ini juga berguna sebagai bahan refleksi bagi penulis khususnya dalam proses pembelajaran pada matakuliah analisis variable riil.

Implementing of the Aptitude Treatment Interaction (ATI) Learning Model for Linear Equation Systems and Matrix Materials for Prospective Mathematics Education Teacher Students Lailin Hijriani; Meiva Marthaulina Lestari Siahaan; Gusti Firda Khairunnisa; Emily Johnson
RANGE: Jurnal Pendidikan Matematika Vol. 5 No. 2 (2024): Range Januari 2024
Publisher : Pendidikan Matematika UNIMOR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jpm.Vol5.Iss2.5046

ABSTRACT This study aims to see the learning outcomes of prospective mathematics education teacher students after applying the Aptitude Treatment Interaction (ATI) learning model for linear equation systems and matrix. This study uses a quantitative descriptive approach with data collection techniques are test and documentation. Subjects were grouped into three categories, namely subjects with high mathematical abulity, medium, and low mathematical ability. The results showed that the application of the Aptitude Treatment Interaction (ATI) learning model gave a good response to learning outcomes with an average of 78.10 in the good category. This can be seen from the student learning outcomes as a whole, both students with high mathematical ability, medium, and low mathematical ability. So, it can be concluded after applying the Aptitude Treatment Interaction (ATI) learning model that the overall intake of students when viewed from their mathematical abilities does not cause a wide gap between them.

The Differences in Effectiveness of Learning Using Contextual Teaching and Learning (CTL) and The Missouri Mathematics Project (MMP) in Terms of Mathematics Learning Outcomes Yosepha P. W. Laja; Eduardus Beo Seso Delvion; Meiva Marthaulina Lestari Siahaan; Ermelinda Nainahas; Minanur Rohman
RANGE: Jurnal Pendidikan Matematika Vol. 6 No. 1 (2024): Range Juli 2024
Publisher : Pendidikan Matematika UNIMOR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jpm.v6i1.6844

This study aims to compare the effectiveness of learning using Contextual Teaching and Learning (CTL) and the Missouri Mathematics Project (MMP) in terms of students' mathematics learning outcomes. The research method employed was an experiment with a pretest-posttest non-equivalent comparison-group design. The research population consisted of seventh-grade students, with the sample being students from class VII A using the CTL learning model and class VII B using the MMP learning model. The independent variable in this study is the learning model, while the dependent variable is the mathematics learning outcomes. The instruments used were a learning outcome test and an observation sheet for the implementation of learning. The results of the study indicate that both learning models, CTL and MMP, are effective in improving students' mathematics learning outcomes. The Wilcoxon test analysis showed that the significance values for both models were less than 0.05, indicating their effectiveness. However, the Mann-Whitney test revealed no significant difference in effectiveness between the two learning models. These findings suggest that both CTL and MMP can be used as effective alternative teaching methods to enhance students' mathematics learning outcomes. This study contributes to the selection of appropriate teaching methods to improve understanding and learning outcomes in mathematics. It is recommended for future researchers to investigate other aspects such as cognitive, psychomotor, or affective domains, and for teachers to consider using CTL and MMP in their teaching activities.

Co-Authors Agung, Kristoforus Nofenaris Ahsan, Zulkaidah Nur Ahzan, Zulkaidah Nur Amsikan, stanislaus - Angelika Rosa Da Lima Leli Astriani Dewi, Ni Putu Yuni Cecilia Novianti Salsinha Damianus Dao Samo Danul, Yuliana Serli Deda, Yohanis Ndapa E. Elvis Napitupulu Eduardus Beo Seso Delvion Elin, Lailin Hijriani Emily Johnson Ermelinda Nainahas Farida Daniel Fitriani Fitriani Fitriani Fitriani Fitriani Funan, Fedelia Gusti Firda Khairunnisa Handayani, Rika Hermina Disnawati, Hermina Hesni Neno Hesni Neno, Hesni Hijriani, Lailin Hijriani, Lailin Juliana Mehelina Herlince Nenohai Klau, Kondradus Yohanes Klau, Maria Fransineti Hoar Kondradus Yohanes Klau Kurnia Putri Sepdikasari Dirgantoro Lailin Hijriani Leli, Angelika Rosa Da Lima Lidwina Felisima Tae Lidwina Felisima Tae LUDGARDIS LEDHENG Maifa, Talisadika Serrisanti Manek, Prudensius Manekat, Septianingsi Melda J Saragih Melda Jaya Saragih, Melda Jaya Merlin Helentina Napitupulu Minanur Rohman Missa, Yeni mone, ferdinandus Naifio, Elvira Riyani Mau Oce Datu Appulembang, Oce Datu Patrisius Nulle Prudensius Manek Rika Handayani Riny Oktora Purba Rut Tae Selestina Nahak Simamarta, Justin Eduardo Simarmata, Justin Eduardo Solo, Maria Fransiska Venidora Son , Aloisius Loka Tae, Rut Talan, Nelciana Tamba, Kimura Patar Tambunan, Siska Nopa Br. Tampani, Margarita Taniu, Deni Toni, Albertus Toni, Albertus - Wua Laja, Yosepha Patricia Yohanes Jefrianus Kehi Yosepha P. W. Laja Yuliana Serli Danul Zulkaidah Nur Ahsan Zulkaidah Nur Ahzan

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