Evaluation of Students' Difficulties in Learning Mathematics in Complex Variable Material

Lumbantoruan, Jitu Halomoan (2023) Evaluation of Students' Difficulties in Learning Mathematics in Complex Variable Material. Journal of Educational Research and Evaluation, 7 (3). pp. 443-454. ISSN 2549-2675

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Abstract

Calon guru matematika dituntut untuk mampu menguasai fakta dan mampu memberikan contoh yang ada dalam kehidupan sehari-hari. Seorang calon guru matematika diharapkan terampil dan matang dalam menggunakan media saat mengoperasikan, menjelaskan dan mendemonstrasikan objek langsung yang ada pada setiap materi variabel kompleks. Tujuan penelitian ini adalah untuk menganalisis hambatan dan kesulitan mahasiswa dalam Matematika. Dua indikator penilaian hasil belajar matematika: 1) Objek langsung (Fakta, Konsep, Keterampilan, dan Prinsip), dan 2) Objek tidak langsung (Internet dan teman). Metode penelitian mixed methods. Subjek matakuliah matematika variabel kompleks dan objeknya mahasiswa. Teknik pengumpulan data kualitatif dengan observasi, wawancara, dokumentasi dan teknik pengumpulan kuantitatif metode survei dengan membagikan instrumen. Analisis dengan, penyajian, reduksi, menyajikan diagram batang, sinkronisasi data dan penarikan kesimpulan. Temuan, kesulitan mahasiswa terletak pada objek langsung yaitu penguasaan Fakta matematika 95.55% dan kesulitan konsep 91.11%, kesulitan prinsip (rumus) 91.11% dan algoritma sebesar 75.55%. Para mahasiswa yang mendapat nilai bagus saat online dibantu oleh objek tidak langsung yaitu internet dan teman diskusi mahasiswa lain. Kesimpulan, hambatan dan kesulitan mahasiswa terletak pada objek langsung indikator fakta (definisi) dan konsep. Desain materi, fakta dan konsep dengan model diskusi kelompok menjadi solusi pembelajaran. Kata Kunci : Evaluasi, Kesulitan Matematika, Variabel Kompleks. / Prospective mathematics teachers are required to be able to master facts and be able to give examples that exist in everyday life. A prospective mathematics teacher is expected to be skilled and mature in using media when operating, explaining and demonstrating direct objects that exist in any complex variable material. The aim of this study is to analyze the obstacles and difficulties of students in Mathematics. Two indicators for assessing mathematics learning outcomes: 1) Direct objects (Facts, Concepts, Skills, and Principles), and 2) Indirect objects (Internet and friends). Mixed methods research method. The subject of the complex variable mathematics course and the student object. Qualitative data collection techniques by observation, interviews, documentation and quantitative survey method collection techniques by distributing instruments. Analysis with, presentation, reduction, presenting bar charts, data synchronization and drawing conclusions. The findings, students' difficulties lie in the direct object, namely mastery of mathematical facts 95.55% and concept difficulties 91.11%, principle (formula) difficulties 91.11% and algorithms 75.55%. Students who get good grades online are assisted by indirect objects, namely the internet and other student discussion partners. In conclusion, students' obstacles and difficulties lie in the direct objects of fact indicators (definitions) and concepts. Material design, facts and concepts with group discussion models are learning solutions. Keywords: Evaluation, Mathematical Difficulty, Complex Variables

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