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Analisis Kesalahan Siswa dalam Memecahkan Soal Optimisasi Kalkulus Multivariabel Menggunakan Analisis Kesalahan Newman Elmawati Elmawati; Maimunah Maimunah; Suci Andriani; Nurhuda Teapon
Jurnal Pustaka Cendekia Pendidikan Vol. 4 No. 1 (2026): Jurnal Pustaka Cendekia Pendidikan, Volume 4 Nomor 1, Mei - Agustus 2026
Publisher : PT PUSTAKA CENDEKIA GROUP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70292/jpcp.v4i1.484

Abstract

This study aims to describe the types of errors made by students when solving optimization problems in the Multivariable Calculus course based on Newman Error Analysis (NEA). The study employs a qualitative descriptive approach with simple quantitative analysis in the form of percentages to illustrate the frequency of errors. The research subjects were 34 students in the Mathematics Education program who had taken the Multivariable Calculus course. Data were collected through essay tests and semi-structured interviews. Data analysis was conducted using the Miles and Huberman model, while error classification was based on Newman’s five stages: reading, comprehension, transformation, process skills, and encoding. This study identified three types of errors made by students in multivariable calculus optimization problems: (1) transformation errors 58,83%), characterized by an inability to construct a mathematical model and relate the objective function to the constraints; (2) process skills errors (26,47%), characterized by errors in differentiation, algebraic manipulation, and incomplete procedures; and (3) encoding errors (14,70%), characterized by a failure to communicate the final answer. These findings indicate that students’ difficulties lie not only in conceptual and procedural skills, but also in mathematical communication. These results can serve as a basis for instructors in designing more effective instruction and diagnostic assessments.
Workshop Pengembangkan Perangkat Pembelajaran Deep Learning Bagi Guru SD Kecamatan Minas Kabupaten Siak: Pengabdian Sehatta Saragih; Maimunah Maimunah; Atma Murni; Sakur Sakur; Syarifah Nur Siregar; Elfis Suanto; Elmawati Elmawati; Wigbertus Ngabu; Susda Heleni; Yusa Putra
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 4 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 4 April - Juni
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i4.6178

Abstract

Implementasi Deep Learning (DL) yang baru dicanangkan pada 2025 masih membutuhkan waktu karena kendala pemahaman prinsip serta ketidaksesuaian perangkat pembelajaran. Untuk mempercepat penerapannya, diperlukan pendampingan guru dalam penguatan pemahaman dan penyusunan perangkat. Di UPTD Dinas Pendidikan Kecamatan Minas, DL masih pada tahap sosialisasi dan belum optimal akibat keterbatasan kompetensi guru. Menanggapi hal tersebut, Tim PKM Program Studi Pendidikan Matematika bekerja sama dengan Dinas Pendidikan Kabupaten Siak menyelenggarakan workshop pengembangan perangkat pembelajaran bagi 26 guru dari 16 SD. Hasilnya menunjukkan kemampuan peserta berada pada kategori baik dan respon terhadap kegiatan sangat baik.
Exploring the Dynamics of Academic Achievement in End of Semester Assessment Based on Class and Gender Using a Two Way ANOVA Approach Wigbertus Ngabu; Putri Yuanita; Elmawati Elmawati; Suci Andriani; Yusa Putra
JPMI (Jurnal Pendidikan Matematika Indonesia) Vol 11, No 1 (2026): Volume 11 Number 1, March 2026
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/jpmi.v11i1.8542

Abstract

The evaluation of learning outcomes is an essential component of higher education because it reflects learning achievement and the effectiveness of the instructional process. This study aims to analyze the dynamics of students’ academic performance in the final semester examination of the Basic Statistics course based on class (A, B, C) and gender (male, female). The study employed an explanatory quantitative approach with a factorial design and was analyzed using a two-way analysis of variance (two-way ANOVA). Assumption testing indicated that the residuals were normally distributed (Shapiro–Wilk p = 0.0854) and that variances across groups were homogeneous (Levene p-value = 0.6468), confirming that the ANOVA prerequisites were satisfied. The ANOVA results showed that class had a statistically significant effect on final examination scores (F(2,104) = 2.956; p = 0.00562) and that gender also had a statistically significant effect (F(1,104) = 0.704; p = 0.0032), whereas the class × gender interaction was not statistically significant (F(2,104) = 1.355; p = 0.0626). Post hoc analysis using Tukey’s HSD revealed that differences across classes were primarily driven by the contrast between Class C and Class A (p-adj = 0.0443), while gender-based differences showed a consistent pattern across classes (p-adj = 0.0069). These findings were supported by boxplots and interaction plots that displayed score distributions consistent with the inferential results. Overall, the study indicates that variation in students’ academic performance in the final semester evaluation is independently influenced by class and gender. The findings are expected to inform more data-driven academic decision-making and contribute methodologically to the application of statistical analysis. Based on these results, the study program is advised to standardize instructional implementation and evaluation across classes and to provide more targeted learning support for groups of students who consistently demonstrate lower achievement, so that learning gaps can be reduced in a data-driven manner.Eksplorasi Dinamika Prestasi Akademik pada Evaluasi Akhir Semester Berdasarkan Kelas dan Gender Menggunakan Pendekatan ANOVA Dua ArahABSTRAKEvaluasi hasil belajar merupakan komponen penting dalam pendidikan tinggi karena mencerminkan capaian pembelajaran serta efektivitas proses pembelajaran. Penelitian ini bertujuan menganalisis dinamika prestasi akademik mahasiswa pada ujian akhir semester mata kuliah Statistika Dasar berdasarkan faktor kelas (A, B, C) dan gender (laki-laki, perempuan). Penelitian menggunakan pendekatan kuantitatif eksplanatori dengan desain faktorial dan dianalisis melalui Analisis Varians Dua Arah (two-way ANOVA). Uji asumsi menunjukkan residual berdistribusi normal (Shapiro–Wilk ) dan varians antar-kelompok homogen (Levene p-value = 0.6468), sehingga prasyarat ANOVA terpenuhi. Hasil ANOVA menunjukkan bahwa faktor kelas berpengaruh signifikan terhadap skor ujian akhir semester  dan faktor gender juga berpengaruh signifikan , sedangkan interaksi kelas×gender tidak menunjukkan pengaruh yang signifikan . Uji lanjut Tukey HSD mengungkapkan bahwa perbedaan capaian antar kelas terutama didorong oleh perbedaan Kelas C dan Kelas A (p-adj = 0.0443), sementara perbedaan berdasarkan gender menunjukkan kecenderungan yang konsisten di seluruh kelas  Temuan ini diperkuat oleh boxplot dan interaction plot yang menampilkan pola distribusi skor sejalan dengan hasil inferensial. Secara keseluruhan, penelitian ini menunjukkan bahwa variasi prestasi akademik mahasiswa dalam evaluasi akhir semester dipengaruhi secara independen oleh faktor kelas dan gender. Hasil penelitian ini diharapkan dapat menjadi dasar pengambilan keputusan akademik yang lebih berbasis data, serta memberikan kontribusi metodologis dalam penerapan analisis statistik.  Berdasarkan temuan tersebut, program studi disarankan melakukan standardisasi implementasi pembelajaran dan evaluasi antar kelas serta menyediakan dukungan belajar yang lebih terarah bagi kelompok mahasiswa yang konsisten menunjukkan capaian lebih rendah agar kesenjangan hasil belajar dapat ditekan secara berbasis data.Kata Kunci :Prestasi akademik mahasiswa; Statistika dasar; Evaluasi pembelajaran; ANOVA