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All Journal JPMS (Jurnal Pendidikan Matematika dan Sains) Jurnal Pendidikan Matematika dan IPA Jurnal Pengajaran MIPA Journal of Education and Learning (EduLearn) AKSIOMA: Jurnal Program Studi Pendidikan Matematika Indonesian Journal of Science and Mathematics Education Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Pendidikan Matematika (JUDIKA EDUCATION) Teorema: Teori dan Riset Matematika JURNAL PEMBELAJARAN DAN MATEMATIKA SIGMA (JPMS) Jurnal Absis : Jurnal Pendidikan Matematika dan Matematika JP2M (Jurnal Pendidikan dan Pembelajaran Matematika) Mandalika Mathematics and Educations Journal Ruang Pengabdian : Jurnal Pengabdian Kepada Masyarakat Journal of Innovation and Research in Primary Education Jurnal Pengembangan Pembelajaran Matematika Nuwo Abdimas Jurnal Pendidikan MIPA Ruang Pengabdian: Jurnal Pengabdian kepada Masyarakat Prosiding Seminar Nasional Pendidikan FKIP Universitas Lampung
Mella Triana
Universitas Lampung
Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Education Languange, Linguistic, Communication & Media Library & Information Science Mathematics Physics Social Sciences Other

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Efektivitas Model Pembelajaran Collaborative Problem Solving Ditinjau dari Kemampuan Penalaran Matematis Siswa SMP Vira Hidayatunnisa; Rini Asnawati; Mella Triana
Jurnal Pendidikan Matematika : Judika Education Vol. 8 No. 5 (2025): Jurnal Pendidikan Matematika:Judika Education
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/jszbxt84

Abstract

This research aims to test the effectiveness of the collaborative problem solving learning model in terms of students' mathematical reasoning skills. The method used is pretest-posttest control group design. This study involved students in grades VII-C and VII-F of SMP Negeri 1 Natar in the 2024/2025 academic year. The findings obtained were that (1) The mathematical reasoning skills of students who follow the collaborative problem solving model increases higher than the mathematical reasoning skills of students who follow the direct learning model; (2) The proportion of students who participate in collaborative problem solving learning who have mathematical reasoning skills categorized as good is more than 60%.; and (3) the average posttest score of students exceeded the KKM. The conclusion from the findings above is that the collaborative problem solving learning model is effective in terms of mathematical reasoning skills and can be a reference for teachers or other researchers.   Keywords: Collaborative problem solving, Effective, Mathematical reasoning     skills
The effect of the discovery learning model on students' mathematical reflective thinking skills Meizano, Fadhel Ahmad; Nurhanurawati; Triana, Mella
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 8 No. 3 (2025): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v8i3.3444

Abstract

Mathematical reflective thinking is an essential higher-order thinking skill that supports students in analyzing, evaluating, and drawing conclusions during problem solving. This study aims to examine the effect of the Discovery Learning (DL) model on students' mathematical reflective thinking skills. The research employed a quantitative approach using a quasi-experimental design with a pretest–posttest control group. The population consisted of all Grade VIII students of SMP Negeri 9 Bandar Lampung in the 2024/2025 academic year, with two classes selected as the experimental and control groups through cluster random sampling. Data were collected using a mathematical reflective thinking skills test and analyzed using N-Gain analysis and an independent sample t-test. The results show that students taught using the DL model achieved higher posttest scores and greater improvement in mathematical reflective thinking skills compared to students taught through conventional learning. The average N-Gain of the experimental class was higher than that of the control class, and hypothesis testing indicated a significant difference between the two groups. These findings indicate that the Discovery Learning model has a positive and significant effect on students' mathematical reflective thinking skills and can be effectively implemented in mathematics learning.
Penguatan Kompetensi Profesional Guru Melalui Workshop Kolaboratif Reflektif Pengembangan Pembelajaran Materi Regresi Linier Berbantuan Teknologi Bagi Guru Matematika SMA Noer, Sri Hastuti; Widyastuti, Widyastuti; Triana, Mella; Gunowibowo, Pentatito
Ruang Pengabdian: Jurnal Pengabdian kepada Masyarakat Vol. 5 No. 1 (2025): RUANG PENGABDIAN: Jurnal Pengabdian kepada Masyarakat
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/rp/v5i1.hal.1-11

Abstract

Pendidik profesional harus terus memperbarui empat kompetensi utama, termasuk kompetensi profesional. Dengan adanya perbaikan struktur kurikulum dan tuntutan adaptif dari berbagai sektor, guru dituntut untuk meningkatkan profesionalitasnya. Dalam konteks kurikulum merdeka, guru menghadapi tantangan dalam pengembangan pembelajaran, khususnya dalam pendalaman konsep. Survei menunjukkan bahwa guru matematika SMA di Bandar Lampung sangat membutuhkan pendalaman konsep statistika regresi, yang merupakan bagian dari kurikulum merdeka, dan 100% guru melaporkan bahwa siswa kesulitan memahami materi tersebut. Oleh karena itu, kegiatan workshop kolaboratif reflektif pengembangan pembelajaran materi regresi linier berbantuan teknologi bagi guru matematika Kota Bandar Lampung dilaksanakan yang bertujuan untuk meningkatkan pemahaman guru-guru dalam menggunakan teknologi pada pembelajaran konsep regresi linier. Evaluasi dilakukan melalui pretest dan posttest, dengan hasil menunjukkan peningkatan pemahaman peserta. Rata-rata skor meningkat dari 35,75 menjadi 62, dengan N-Gain sebesar 0,39 (kategori sedang). Meskipun sebagian besar peserta mengalami peningkatan di kategori sedang, antusiasme tinggi terlihat dalam penggunaan software SPSS, meski beberapa guru menghadapi kesulitan teknis. Rekomendasi untuk pelatihan berikutnya adalah memberikan lebih banyak waktu eksplorasi mandiri untuk adaptasi teknologi.
THE EFFECT OF A PROBLEM-BASED LEARNING MODEL ASSISTED BY INTERACTIVE E-LKPD ON STUDENTS' MATHEMATICAL COMMUNICATION SKILLS Febriani, Riris Nur; Nurhanurawati, Nurhanurawati; Triana, Mella
JP2M (Jurnal Pendidikan dan Pembelajaran Matematika) Vol 11, No 2 (2025)
Publisher : Universitas Bhinneka PGRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29100/jp2m.v11i2.7725

Abstract

This study aims to determine the effect of a problem-based learning model assisted by interactive E-LKPD on students' mathematical communication skills. The research design used in this study was a randomized pretest-posttest control group design. The study population was all students in grade VIII of SMP Negeri 5 Bandar Lampung in the 2024/2025 academic year, which was distributed in nine classes. The cluster random sampling technique classes VIII.5 and VIII.7 were selected as research samples. The data analyzed in this study were quantitative data obtained through a description-based test on SPLDV material. The gain score data in the experimental class was not normally distributed, and the control class was normally distributed, so the data analysis in the study used the Mann-Whitney U test with a significance level of α = 0.05. The results of the data analysis showed that the median date of the increase in the mathematical communication skills of students with the problem-based learning model assisted by interactive E-LKPD was higher than the median date of the increase in the score of mathematical communication skills of students in conventional learning. Based on the research results and discussion, it is concluded that the problem-based learning model assisted by interactive E-LKPD affects students' mathematical communication skills.
Implikasi Problem Based Learning terhadap Kemampuan Berpikir Reflektif dan Belief Siswa Sri Hastuti Noer; Pentatito Gunowibowo; Rini Asnawati; Mella Triana; Sekar Arum Kinasih
Prosiding Seminar Nasional Pendidikan FKIP Universitas Lampung 2026: Prosiding Seminar Nasional Pendidikan FKIP Universitas Lampung
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Kemampuan berpikir reflektif dan belief siswa dalam matematika merupakan aspek penting yang memengaruhi keberhasilan belajar. Berpikir reflektif membantu siswa menganalisis dan mengevaluasi proses pemecahan masalah, sedangkan belief terhadap matematika memengaruhi motivasi dan sikap belajar siswa. Berbagai penelitian menunjukkan bahwa kemampuan berpikir reflektif dan belief siswa dalam pembelajaran matematika belum mencapai tingkat yang optimal. Meskipun Problem Based Learning (PBL) telah diakui efektif meningkatkan kemampuan berpikir reflektif, namun pengaruhnya terhadap belief siswa masih perlu dikaji lebih lanjut. Penelitian eksperimen ini bertujuan mengeksplorasi pengaruh PBL terhadap kemampuan berpikir reflektif matematis dan belief siswa kelas VIII di salah satu SMP swasta di Kecamatan Natar, pinggiran Kota Bandar Lampung. Dasar pemilihan lokasi ini adalah asumsi bahwa jika PBL dapat memberikan dampak positif di sekolah pinggiran kota, maka diharapkan model ini juga dapat berdampak baik pada sekolah di pusat Kota Bandar Lampung. Penelitian menggunakan desain pretest-posttest control group design dengan instrumen berupa angket belief dan tes kemampuan berpikir reflektif. Hasil penelitian menunjukkan bahwa PBL berpengaruh signifikan terhadap peningkatan kemampuan berpikir reflektif matematis, tetapi tidak berpengaruh signifikan terhadap belief siswa. Temuan ini mengindikasikan perlunya penelitian lanjutan dengan pendekatan lebih komprehensif yang tidak hanya mengembangkan kemampuan kognitif, tetapi juga memperhatikan aspek afektif dan pengalaman emosional siswa dalam pembelajaran matematika.
Co-Authors Al Amin Bambang Sri Anggoro Caswita Dewi Purnamasari, Endah Efanti, Annisa Nur Erimson Siregar Erimson Siregar Erviana, Neriza Fauziah Febriani, Riris Nur Hanri, Chuzairy Listyotami, Mega Kusuma Madani, Salsabila Fitria Meizano, Fadhel Ahmad Muhammad Ferdiansyah Noer, Sri Hastusi Nurain Suryadinata Nurhanurawati Nurhanurawati Nurhanurawati Pentatito Gunowibowo Pentatito Gunowibowo Pentatito Gunowibowo Perdana, Aryudi Indra Putri, Aldelia Destiana Rahmadini, Sabila Rizqia Rini Asnawati Rini Asnawati Rini Asnawati Santy Setiawati Sekar Arum Kinasih Setiawati, Santy Siti Kharimatul Khotimah Sri Hastuti Noer Sugeng Sutiarso Suherman Suherman Undang Rosidin Vetama, Wanda Vira Hidayatunnisa Widia Ayu Juhara Widyastuti Widyastuti Widyastuti Widyastuti Widyastuti, Widyastuti Yeni Yeni Zakaria, Mohamad Ikram