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Journal of Lesson Study and Teacher Education (JLSTE)
Published by Lembaga LitbangMu Jawa Tengah
ISSN : 29646529     EISSN : 28285954     DOI : http://dx.doi.org/10.51402/jl ste .v3i1.129
Core Subject : Education,
Education
Journal of Lesson Study and Teacher Education (JLSTE) is a refereed journal published by LitbangMu Jawa Tengah, published twice a year, always places Lesson Studies and Teacher Education in the central focus of academic inquiry. This journal, serving as a forum for the Lesson Study and Teacher Education in Indonesia and other parts of the world within its local and challenging global context, supports focused studies of a particular theme and interdisciplinary studies of education. Journal of Lesson Study and Teacher Education (JLSTE) is a refereed journal published by LitbangMu Jawa Tengah, has become a medium of diffusion and exchange of ideas and research findings, so much so that researchers, writers, and readers from various traditions of learning have interacted in a scholarly manner. This journal warmly welcomes contributions from scholars of related disciplines.
Arjuna Subject : Umum - Umum
Articles 59 Documents
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MENINGKATKAN KEMAMPUAN PENALARAN MATEMATIS DAN KEAKTIFAN PESERTA DIDIK DENGAN MODEL PROBLEM BASED LEARNING BERBANTUAN GEOGEBRA PADA MATERI PERSAMAAN GARIS SINGGUNG ELIPS SISWA KELAS XII SMA NEGERI 11 SEMARANG TAHUN PELAJARAN 2024/2025 Jami'atun, Siti; Sulistiyoningsih, Titien; Prihaswati, Martyana
Journal of Lesson Study in Teacher Education Vol. 4 No. 1 (2025): Volume 4 No 1 2025
Publisher : Litbang PWM Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51402/jlste.v4i1.150

Abstract

One of the mathematical skills that students must master is the ability to reason mathematically. However, in reality, this skill has not yet been fully mastered by students. This study is a classroom action research conducted over two cycles at SMA Negeri 11 Semarang. The subjects of the study were students from class XII D-1. The purpose of this study are to describe the process of implementing mathematics learning through the Problem Based Learning (PBL) model assisted by GeoGebra as an effort to improve students' mathematical reasoning abilities and learning engagement in class XII D-1 on the topic of ellipses at SMA Negeri 11 Semarang, to determine the improvement in students' mathematical problem-solving abilities in class XII D-1 on the topic of ellipses after mathematics learning through the Problem Based Learning model assisted by GeoGebra, and to determine the improvement in students' learning engagement in class XII D-1 on the topic of ellipses at SMA Negeri 11 Semarang after the implementation of mathematics learning through the Problem Based Learning model assisted by GeoGebra. The results of the study indicate an improvement in students' mathematical reasoning abilities and learning engagement
PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA MELALUI MODEL PROBLEM BASED LEARNING Fauzia, Tsania Ismi; Suprayitno, Iswahyudi Joko; Susilawati, Padmi
Journal of Lesson Study in Teacher Education Vol. 4 No. 1 (2025): Volume 4 No 1 2025
Publisher : Litbang PWM Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51402/jlste.v4i1.151

Abstract

The aim of this study is to determine the improvement in students' mathematical problem-solving abilities using the Problem Based Learning model in Class XI-6 of SMA Negeri 11 Semarang. This study is a Classroom Action Research (CAR) involving 36 students of Class XI-6 as subjects. The research was conducted in two cycles, with each cycle consisting of one meeting and each meeting comprising two hours of instruction. To assess the improvement in students' mathematical problem-solving abilities, evaluations were conducted at the end of each cycle. The data obtained show that there was an improvement in students' mathematical problem-solving abilities before and after the implementation of the intervention. This is evidenced by the consistent increase in students' academic performance. The average problem-solving ability in Cycle 2, using the Problem-Based Learning model, reached the Minimum Competency Criteria (KKTP) of 75. The proportion of students achieving mastery in problem-solving abilities based on the KKTP standard also reached 75%.
PENINGKATAN KEMAMPUAN MENULIS TEKS ARGUMENTATIF MELALUI PENDEKATAN PROJECT BASED LEARNING Febriana, Nurani Ayu; Wijayatiningsih, Testiana Deni; Setyawati, Erna
Journal of Lesson Study in Teacher Education Vol. 4 No. 1 (2025): Volume 4 No 1 2025
Publisher : Litbang PWM Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51402/jlste.v4i1.152

Abstract

This study aims to improve the argumentative text writing skills of 12th-grade students in class XII F at SMA N 11 Semarang through the implementation of the Project-Based Learning (PjBL) model. Writing argumentative texts is an essential competency for students to develop critical, logical, and systematic thinking skills. However, initial observations revealed that students' ability to write argumentative texts was relatively low. This research employed a Classroom Action Research (CAR) approach using the model developed by Kemmis and McTaggart, which consists of four stages: planning, implementation, observation, and reflection. The research subjects were 36 students from class XII F at SMA N 11 Semarang in the academic year 2024/2025. Data were collected through observation, interviews, writing tests, and documentation. The data were analyzed descriptively using qualitative and quantitative methods. The findings show that implementing the Project-Based Learning model significantly improved students' argumentative writing skills. In Cycle I, the average student writing score was 70, which increased to 82 in Cycle II. Additionally, students' motivation and participation levels also showed significant improvement. Based on these results, it can be concluded that the Project-Based Learning model is effective in enhancing the argumentative writing skills of 12th-grade students in class XII F at SMA N 11 Semarang.
Problem based learning Berbantuan Quizizz Terhadap Kemampuan Representasi Matematis dan Self-confidence Peserta Didik Aminah, Rosyidatul; Sulistyoningsih, Titien; Prihaswati, Martyana
Journal of Lesson Study in Teacher Education Vol. 4 No. 1 (2025): Volume 4 No 1 2025
Publisher : Litbang PWM Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51402/jlste.v4i1.153

Abstract

This research is motivated by the results of the pre-cycle in class XI-2 of SMA Negeri 11 Semarang which showed that mathematical representation ability was relatively low with average mathematical representation ability test score of 45 with classical completion percentage of 19% and self-confidence level in moderate category of 49.75%. The purpose of this study was to describe the implementation of PBL assisted by quizizz to improve mathematical representation ability and self-confidence of class XI-2 students of SMA Negeri 11 Semarang in the 2024/2025 academic year. This research is classroom action research with three-cycle design that includes the planning, action implementation, observation, and reflection stages. The indicator of the success of this research is percentage of classical completion of mathematical representation ability test results is 80% reaching KKM 70 and average self-confidence is at least at 75% or very high. The results of this study are the percentage of pre-cycle completion is 19% increasing in cycle I to 55.6%, in cycle II to 69.4%, and in cycle III to 80.6%. While the percentage of pre-cycle self-confidence questionnaire data is 49.7%, in cycle I to 69.14%, in cycle II to 73.53%, and finally reaching 78.08% in cycle III with very high self-confidence category. It can be concluded that implementation of PBL assisted by quizizz can improve the mathematical representation ability and self-confidence of class XI-2 students of SMA Negeri 11 Semarang.
Upaya Meningkatkan Motivasi Speaking Skill Peserta didik dalam Materi Discussion Text Menggunakan Model Pembelajaran Game-Based Learning (Alibi Games) di Kelas XII-3 SMA Negeri 4 Semarang. Yulianti, Sari; Ifadah, Muhimatul; Niken, Maria
Journal of Lesson Study in Teacher Education Vol. 4 No. 1 (2025): Volume 4 No 1 2025
Publisher : Litbang PWM Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51402/jlste.v4i1.154

Abstract

This study examines the implementation of Game-Based Learning to improve the speaking motivation of students in class XII-3 SMA Negeri 4 Semarang. The problem addressed was the low participation of students in English lessons, particularly in speaking skills. This Classroom Action Research was conducted in two cycles, each comprising planning, action, observation, and reflection stages. Data collection was carried out through direct classroom observation and evaluation of students’ speaking presentations. The results of the first cycle showed some improvement, with 61% of the 36 students submitting video speaking assignments. In the second cycle, the integration of Cooperative Learning strategies such as the Gallery Walk led to higher student participation, with 94% achieving the target. The findings suggest that the Game-Based Learning model significantly enhances students' motivation and engagement in speaking activities.
PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA PEMBELAJARAN BAHASA INGGRIS KELAS X.8 SMA NEGERI 11 SEMARANG Oktaviani, Estika Berlian; Setyawati, Erna; Wijayatiningsih, Testiana Deni
Journal of Lesson Study in Teacher Education Vol. 4 No. 1 (2025): Volume 4 No 1 2025
Publisher : Litbang PWM Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51402/jlste.v4i1.155

Abstract

Dalam penelitian ini menggunakan metode penelitian tindakan kelas (PTK). Dimana penelitian ini bertujuan untuk meningkatkan hasil belajar siswa pada materi Procedure Text Bahasa Inggris melalui penerapan model pembelajaran Problem Based Learning (PBL). Instrumen yang digunakan berupa lembar observasi aktivitas siswa, hasil wawancara, lembar soal tes akhir siklus, catatan lapangan dan dokumentasi. Berdasarkan analisis dan pengamatan hasil dari penelitian tersebut diperoleh informasi bahwa penerapan model pembelajaran Problem Based Learning (PBL) dapat meningkatkan hasil belajar siswa, dapat terlihat pada siklus I rata-rata persentase hasil belajar siswa sebesar 80,6. Sedangkan pada siklus II rata-rata persentase hasil belajar siswa sebesar 88,4. Pada siklus I masih ada siswa yang mendapat nilai dibawah KKM yaitu 70, namun pada siklus Il nilai terendahnya adalah 80 dan sudah tidak ada lagi siswa yang mendapat nilai dibawah KKM. Dengan demikian dapat disimpulkan bahwa penerapan model pembelajaran Problem Based Learning (PBL) dapat meningkatkan hasil belajar siswa.
PENERAPAN METODE GALLERY WALK UNTUK MENINGKATKAN KEMAMPUAN SPEAKING SISWA PADA MATERI DISCUSSION TEXT DI KELAS XII SMA N 4 SEMARANG Melisa, Nuzulia Dian; Ifadah, Muhimatul; Setyarini, Maria Niken
Journal of Lesson Study in Teacher Education Vol. 4 No. 1 (2025): Volume 4 No 1 2025
Publisher : Litbang PWM Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51402/jlste.v4i1.156

Abstract

Penelitian tindakan kelas ini mengkaji penerapan metode Gallery Walk untuk meningkatkan kemampuan berbicara siswa dalam materi discussion text di SMA N 4 Semarang. Observasi awal menunjukkan rendahnya partisipasi siswa (30%) dan kepercayaan diri dalam kelas bahasa Inggris. Penelitian dilaksanakan dalam dua siklus dengan 36 siswa. Hasil penelitian menunjukkan peningkatan signifikan dalam partisipasi siswa (85% pada Siklus 2) dan kemampuan berbicara (nilai rata-rata meningkat dari 64,5 menjadi 83,2). Metode Gallery Walk berhasil menciptakan lingkungan pembelajaran yang menarik dan mendorong praktik berbicara bahasa Inggris secara aktif melalui kegiatan kolaboratif. Peningkatan kualitatif terlihat pada kepercayaan diri siswa, kelancaran berbicara, dan kemampuan menyampaikan argumentasi. Penelitian ini membuktikan efektivitas Gallery Walk dalam meningkatkan keterampilan berbicara dan menciptakan lingkungan pembelajaran bahasa Inggris yang lebih dinamis.
PENERAPAN MODEL PROJECT BASED LEARNING (PjBL) UNTUK MENINGKATKAN MOTIVASI DAN PRESTASI BELAJAR SISWA KELAS XII DI SMA N 4 SEMARANG Wulandari, Agustin; Astuti, Andari Puji; Wardani, Yuyun Eka
Journal of Lesson Study in Teacher Education Vol. 4 No. 1 (2025): Volume 4 No 1 2025
Publisher : Litbang PWM Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51402/jlste.v4i1.157

Abstract

This study was motivated by the low motivation and learning achievement of students in class XII-3 SMA N 4 Semarang known from the observation results. The research objectives are to (1) Know the increase in learning motivation of XII grade students in Electrochemistry material using the Project Based Learning (PjBL) model, (2) Know the increase in learning achievement of XII grade students in Electrochemistry material using the Project Based Learning (PjBL) model. This research is a type of classroom action research with a model developed by Kemmis and Mc.Taggart. Data analysis techniques using quantitative and qualitative descriptive analysis. The application of the PjBL learning model can increase student learning motivation. This is indicated by the results of questionnaire data in Cycle I obtained 80.77% and Cycle II amounted to 90% which shows an increase in learning motivation by 9.23%. The application of the PjBL learning model can also improve student learning achievement as shown by the average pretest and post test scores in Cycle I of 60.31 and 87.53 while Cycle II was 83.72 and 97.78. This shows that there is an increase in student learning achievement. Student learning achievement has achieved success indicated by the number of students who have achieved KKTP as much as 81% in Cycle I and Cycle II as much as 100%.
Implementation Project Based Learning - STEAM on Student’s Creative Thinking Skill in Indonesia : a Bibliometric Review Prasetyawati, Azizah Nur; Astuti, Andari Puji
Journal of Lesson Study in Teacher Education Vol. 4 No. 1 (2025): Volume 4 No 1 2025
Publisher : Litbang PWM Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51402/jlste.v4i1.158

Abstract

The education reform of the 21st century has led to changes in the learning process, both in models and approaches. One such change is the integration of project-based learning with STEAM, which has been widely implemented across various fields of study and has proven effective in enhancing 21st-century skills. This study aims to explore STEAM-integrated projects that can improve the creative thinking skills of students in Indonesia. The research method used is a bibliometric review. Data were obtained from the Scopus and Google Scholar databases. A total of 107 relevant articles were found using the selected keywords. The results showed that 6 articles discussed the research topic in Indonesia. It was proven that STEAM project-based learning can enhance creative thinking skills through themes related to environmental issues. However, further implementation is needed to make students more flexible in developing project ideas.

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