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Nahor Murani Hutapea
Pendidikan Matematika FKIP Universitas Riau
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Analisis Kesalahan Siswa dalam Menyelesaikan Soal Materi Trigonometri Tipe AKM Simarmata, Evan Dari Kristianto; Roza, Yenita; Hutapea, Nahor Murani
PRISMA Vol 12, No 2 (2023): PRISMA
Publisher : Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/jp.v12i2.3271

Abstract

Penelitian ini dilatarbelakangi oleh kemampuan literasi numerasi siswa yang masih dalam kategori rendah. Tujuan penelitian ini adalah untuk menguraikan kesalahan siswa dalam penyelesaian soal trigonometri tipe Asesmen Kompetensi Minimum (AKM). Metode pada penelitian ini adalah metode kualitiatif deskriptif. Penelitian ini dilakukan dengan subjek siswa kelas 11 SMA. Data dikumpulkan melalui teknik tes. Tes terdiri dari 4 soal trigonometri tipe AKM yang sudah divalidasi dan reliabel. Data hasil pengujian (tes) dianalisis menggunakan analisis data kualitatif. Jawaban siswa dianalisis berdasarkan jenis kesalahan Newmann’s Error Analysis (NEA), yaitu kesalahan: (1) membaca, (2) memahami, (3) transformasi, (4) kemampuan memproses dan (5) penulisan jawaban akhir. Data diolah dengan menghitung persentase jenis kesalahan siswa terhadap setiap jenis kesalahan pada NEA. Hasil penelitian menunjukkan bahwa tidak ada siswa melakukan kesalahan membaca. Pada jenis kesalahan memahami, ditemukan kesalahan sebesar 18%. Pada jenis kesalahan transformasi, ditemukan kesalahan sebesar 36%. Pada kesalahan memproses (keterampilan memproses), ditemukan kesalahan sebesar 44%. Pada penulisan jawaban akhir, ditemukan kesalahan sebesar 47%. Kesalahan memahami terjadi karena siswa belum memahami konsep jarak. Kesalahan transformasi diakibatkan ketidakmampuan menuliskan model matematis dari soal. Kesalahan memproses terjadi karena siswa mengabaikan sebagian informasi dalam soal. Kesalahan penulisan jawaban akhir terjadi karena kesalahan perhitungan. Berdasarkan temuan tersebut, disimpulkan bahwa jenis kesalahan yang dilakukan oleh siswa adalah kesalahan memahami, transformasi, keterampilan proses dan penulisan jawaban akhir.
Analysis of Students’ Error in Solving Problems on SPLDV Material Based on Newman's Theory Dian, Monika Putri; Hutapea, Nahor Murani; Kartini, Kartini
PRISMA Vol 14, No 2 (2025): PRISMA
Publisher : Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/jp.v14i2.5376

Abstract

This study aims to analyze students' errors in solving problem-solving problems on the material of two-variable linear equation systems based on Newman's theory. This study needs to be conducted in order to help find out what mistakes students make so that it will be easier to find solutions to minimize the occurrence of these errors in learning. The research method used is descriptive qualitative. The subjects in the study were 16 students of class X MA Cendekia Bangsa. The study was conducted in the 2024/2025 academic year, even semester. The data collection technique used by the researcher was using a test instrument in the form of two essay questions containing indicators of mathematical problem-solving abilities on the material of two-variable linear equation systems and interviews. The results of the analysis of students' errors in solving problem-solving problems on SPLDV material based on Newman's theory obtained 9.4 % reading errors (very low category); 28.1% understanding errors (low category); 40.6% transformation errors (sufficient category); 62.5% process skill errors (high category) and 21.9% answer writing errors (low category). The largest percentage of errors is in processing skills errors which are caused by many students still having problems with algebraic calculations and integer operations.
Students’ Error Analysis in Solving Reasoning Problems on Sequences and Series Using Nolting’s Theory Harini, Elsa; Suanto, Elfis; Hutapea, Nahor Murani
PRISMA Vol 14, No 2 (2025): PRISMA
Publisher : Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/jp.v14i2.5281

Abstract

Mathematical reasoning ability is an essential competency emphasized in the Merdeka Curriculum, particularly in the Learning Outcomes (CP) for Phase E, which requires students to understand, generalize, and prove mathematical concepts. However, various studies have shown that Indonesian students' mathematical reasoning skills remain relatively low, including in the topic of sequences and series. This study aims to analyze students’ errors in solving mathematical reasoning problems related to sequences and series in Grade 10, based on Nolting’s error theory. The research employed a qualitative descriptive approach involving 20 tenth-grade students from Senior High School 12 Pekanbaru. The research instrument consisted of four mathematical reasoning essay questions covering arithmetic and geometric sequences and series, adapted from Fadillah. The analysis revealed four types of student errors: Careless Errors (34.30%), Connection Errors (31.20%), Test-Taking Errors (21.80%), and Application Errors (17.50%). These errors were attributed to various factors, including cognitive factors such as lack of conceptual understanding and affective factors such as low learning motivation. The findings highlight the importance of teachers in analyzing student errors to help minimize learning difficulties in mathematics and improve the overall quality of mathematics instruction
Co-Authors ', Armis ', Zuhri D ', Zulkarnain Afriza, Yosep Yendra Aisyah Amalina Aisyah Nurul Rahmah Aminuyati Amni, Rodhitul Andria, Adrila Anggi Apriani, Marina Arifatul hilma Arifin, Annisa Armis ' Armis Armis Aruan, Renni Dermawan Asri Lubis Atma Murni Atma Murni Atma Murni Atma Murni Atma Murni Brilyan Amry Siregar Cesilia, Sindy Chindy Julia Fitrah Chintya, Cici Ayu Cici Ayu Chintya Darsono Simbolon Dede Sumiati Della Widya Ananda Desi Fitriyani Dewi Yuliani, Dewi Dewi, Widya Shintya Dian, Monika Putri Didik Kharis Prayudi Dwi Wirda Lastari Ekarikardo ' Elfis Suanto Eti Tantri Manurung Evi Zahara Evi Zahara, Evi Zahara Fadilah Gustin Khainingsih Fadillah, Masrianti Fahrani, Ibnah Wanda Fatma Kumala Fatma Nauli Butar-Butar Frengki Candra Gunawan Silalahi Giva Putri, Meini Guswinda, Guswinda H. Zulkarnain H. Zulkarnain Harianti, Putri Harini, Elsa Hartina, Dwi Putri Hastri, Sherly Indah Mulya Cahyani Indira Santi Indra Hayati Putri Irwandi, Bayu Jalinus Jalinus Jalinus, Jalinus Jalinus, Jalinus KARTINI Kartini Kartini Kartini, Kartini Khairani Khairani Lendrawati Arif Lestari, Diah Dwi Maimunah Maimunah Maimunah Maimunah, Maimunah Manurung, Julian Lois Maria Celes Rajagukguk Mariani Mariani Marlinda, Weni Marni Swasti Marni Swasti Martha Febriani Br Sitinjak Masrianti Fadillah Mayu, Tika Ulfa Mega Afrianti Mega Ayu Adila Meta Sartika Nasution, Fitri Rahmayani Niki Lauda S Lauda, Niki Lauda S Ningrum, Rosilawati Kusuma Ningsih, Irma Fetria Nofita Damayanti Norzilawati Nur’azani, Alifya Ovemy Delfita Pakpahan, Gunawan Saputra Parsaoran Selpanri Sitorus Pattimura SC Putri Aulia Susanti Putri Yuanita Rahayu, Dinda Rahmatina Aulia RAHMI FITRIA Rahmi Fitria Raju, Riani Octavianty Ramadhan, Puteri Nurul Ranti Octapiana Simanjuntak Ratna Sari Dewi Reny Reski Reny Reski Reny Rian Dian Anggraini Riani Octavianty Raju Rini Dian Anggraini Rio Kurniawan Riza Derniati Rohiimah, Siti Sakur Sakur Sakur, Sakur Sandy, Aulia Saratul Ihsany Ihsany, Saratul Ihsany Sartika, Endang Sri Sehatta Saragih Sehatta Saragih Sehatta Saragih Saragih, Sehatta Saragih Sehatta Saragih Sehatta Saragih Sembiring, Rinawati Septya Dwi Putri Dwi Putri Simarmata, Evan Dari Kristianto Situmorang, Ruth Sahana Solihin, Deny Solly Aryza Sonya Claudy Emellya Putri Suhermi ' Supri Hartini Susanti, Putri Aulia Susda Heleni Susi Ermina Sipakkar, Susi Ermina Syaila Affani Syarifah Nur Siregar Syef Harapit Syofni Syofni Syofni Syofni Syofni Syofni, Syofni Titi Solfitri Usqo, Urwatil Uswatun Khasanah Wulan dari Yanti, Risma Yenita Roza Yodiatmana, Yodiatmana Yohana S Sinaga, Yohana S Yola Putri Anggraini Yulistiawati, Yulistiawati Yuni Kartika, Yuni Zameza, Ranty Andika Abinaya Zima Ratna Sari Zulkarnain ' Zulkarnain Zulkarnain Zulkarnain Zulkarnain