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All Journal Optika : Jurnal Pendidikan Fisika Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Jurnal Abdimas Indonesia : Jurnal Abdimas Indonesia Journal of Instructional Mathematics JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah)
Budi Eka Dharma
Universitas Jambi
Religion Agriculture, Biological Sciences & Forestry Humanities Astronomy Chemistry Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Languange, Linguistic, Communication & Media Library & Information Science Mathematics Physics Other

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Uncovering Gaps in Deductive Geometry Thinking: Rasch-Based Evidence from Students’ Work on Quadratic Functions Fiki Alghadari; Bella Arisha; Nurul Hidayah; Saparuddin Saparuddin; Budi Eka Dharma
Journal of Instructional Mathematics Vol. 6 No. 2 (2025): Innovative Approaches to Mathematical Understanding and Literacy
Publisher : Pendidikan Matematika STKIP Kusuma Negara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37640/jim.v6i2.2510

Abstract

The deductive structure is fundamental in mathematics, but students often struggle to derive logical consequences when constructing proofs or engaging in the bridging process. This study analyzed students’ ability to deduce logical relationships between properties in geometric thinking on quadratic functions. The participants were students (N=139) from the mathematics education program. The properties of quadratic functions and their interrelationships contained in the premises represented students’ responses to the instrument. The responses were dichotomously coded based on the criteria of the carried-out deduction process and then evaluated using Rasch analysis. The findings revealed that, in general, the distribution of students’ ability levels was below most levels of the carried-out deduction process. Although a group of students had already reached the high-ability category, the overall distribution was still dominated by low-ability levels. Many students continued to face serious challenges in reaching the final stage of the deduction process—advanced premise integration and deductive synthesis—since most of them established relationships among properties merely from the given information. There were indications that learning experiences during higher education contributed positively to the improvement of students’ ability at the deduction level. The study recommends four steps to habituate students to the process of deduction.
Pelatihan Pengembangan Instrumen Penilaian Berpikir Kritis Terintegrasi Keterampilan Proses Sains Kriswantoro Kriswantoro; Suharli AJ; M Furqon; Budi Eka Dharma; Rahma Dani
Jurnal Abdimas Indonesia Vol. 5 No. 3 (2025)
Publisher : Perkumpulan Dosen Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34697/jai.v5i3.2000

Abstract

Pelatihan pengembangan instrumen penilaian berpikir kritis terintegrasi keterampilan proses sains telah dilaksanakan kepada guru IPA SMA Negeri 2 Tanjung Jabung Barat. Tujuan dari pelatihan ini adalah untuk meningkatkan kompetensi guru dalam mengembangkan instrumen penilaian berpikir kritis yang terintegrasi dengan keterampilan proses sains. Metode yang digunakan dalam pelatihan adalah model pendampingan berupa presentasi, diskusi dan pendampingan pengembangan instrument penilaian. Pre- test dan post- test dilakukan untuk mengukur peningkatan pemahaman konsep dan keterampilan praktis guru. Hasil analisis menunjukkan bahwa adanya peningkatan dengan nilai N- Gain sebesar 0.85 yang menunjukkan efektivitas pelatihan sebesar 85%. Hasil tersebut menunjukkan bahwa pelatihan pengembangan instrumen penilaian telah berhasil meningkatkan pemahaman konsep dan keterampilan guru. Dengan demikian, pelatihan ini diharapkan dapat tidak hanya memperoleh pemahaman teoretis, tetapi juga keterampilan praktis dalam Menyusun, mengimplementasikan, dan mengevaluasi instrumen penilaian yang lebih bermakna
ANALISIS MISKONSEPSI SISWA PADA MATERI LISTRIK STATIS MENGGUNAKAN INSTRUMEN FOUR-TIER DIAGNOSTIC TEST BERBASIS MULTIREPRESENTASI Mely Chelvina Harahap; Maison Maison; Budi Eka Dharma
OPTIKA: Jurnal Pendidikan Fisika Vol. 10 No. 1 (2026): OPTIKA: Jurnal Pendidikan Fisika
Publisher : Department of Physics Education, Faculty of Teacher Training and Education, Universitas Flores

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/optika.v10i1.7796

Abstract

Penelitian ini bertujuan untuk menganalisis miskonsepsi siswa pada materi listrik statis menggunakan instrumen four-tier diagnostic test berbasis multirepresentasi. Materi yang dikaji meliputi konsep gaya listrik, medan listrik, kapasitor keping sejajar, dan rangkaian kapasitor. Penelitian ini menggunakan metode deskriptif kuantitatif. Populasi penelitian adalah siswa kelas XII di SMA Negeri 2 Kota Jambi sebanyak 101 siswa yang dipilih menggunakan teknik purposive sampling. Instrumen penelitian berupa tes multirepresentasi four-tier sebanyak 14 butir soal yang mencakup representasi makroskopik, mikroskopik, dan simbolik representative, serta dilengkapi dengan tingkat keyakinan jawaban dan alasan untuk mengidentifikasi miskonsepsi secara lebih akurat. Data dianalisis secara deskriptif untuk memperoleh persentase kategori paham konsep, miskonsepsi, pemahaman parsial, dan tidak paham konsep. Hasil penelitian menunjukkan bahwa pada representasi makroskopik, sebesar 28% siswa mengalami miskonsepsi, sedangkan pada representasi mikroskopik dan simbolik miskonsepsi lebih dominan masing-masing sebesar 47,85% dan sekitar 48%. Selain itu, persentase pemahaman ilmiah (scientific conception) pada representasi makroskopik sebesar 53,2%, namun menurun pada representasi mikroskopik (29,37%) dan simbolik (29%), terutama dalam memahami dan menentukan bentuk grafik yang tepat sesuai dengan hubungan antarbesaran fisika. Temuan ini menunjukkan bahwa miskonsepsi siswa cenderung meningkat pada level representasi yang lebih abstrak. Hal ini mengindikasikan bahwa siswa masih mengalami kesulitan dalam mengintegrasikan representasi makroskopik, mikroskopik, dan simbolik dalam memahami konsep listrik statis. Oleh karena itu, diperlukan strategi pembelajaran fisika berbasis multirepresentasi yang lebih efektif untuk meminimalkan miskonsepsi siswa.
Pemanfaatan Arduino-IoT dalam Pengembangan STEMLAB Fisika: Studi Eksploratif terhadap Persepsi Mahasiswa Dian Pertiwi Rasmi; Neneng Lestari; Jeliana Veronika Sirait; Budi Eka Dharma
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 10 No. 1 (2026): May Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v10i1.4847

Abstract

This study aims to explore physics education students' perceptions of integrating Arduino and Internet of Things (IoT) technology in developing STEMLAB-based enrichment media. The research method used an exploratory qualitative approach with Technology Readiness Level (TRL) stages 1–3 conducted over 12 months. The research subjects were 30 students from the Physics Education Study Program at Jambi University in semesters 4. Research instruments included open questionnaires, semi-structured interview guides, and thematic analysis rubrics validated with an average validity of 87.3%. Results showed that 84% of students believed real-time data visualization could enhance concept understanding, 91% agreed technology integration makes learning more engaging, and 81% were interested in learning Arduino in physics experiment contexts. A prototype media based on Arduino Uno R3 and NodeMCU ESP8266 with TDS, EC, pH, and temperature sensors was developed and tested on 8 students with expert validation reaching 88.5% and user satisfaction rate of 87.5%. This research produced a validated media design responsive to student needs and ready for wider implementation.
Pengembangan Alat Percobaan dan Lembar Kerja Peserta Didik (LKPD) Berbasis STEM pada Materi Gelombang Bunyi (Kelintang Jolo) Devi Harmita; Haerul Pathoni; Budi Eka Dharma
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 3 (2026): August (Inpres)
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i3.2119

Abstract

This study aims to Develop experimental tools and STEM-based Student Worksheets (LKPD) on sound wave material using Arduino technology and Kelintang Jolo local wisdom for eleventh-grade high school students in Jambi Province. The 4D Development model (Define, Design, Develop, Disseminate) was employed, limited to the Develop stage. Validation involved three validators using Aiken's V formula, while practicality was measured through student response questionnaires analyzed descriptively. Results showed content validity reaching V-Aiken 0.75 (Valid) and media validity 0.72 (Valid) at Stage II. Practicality testing on 30 students at SMA Negeri 8 Jambi City yielded a mean response score of 3.19 out of 4 (Good/Practical) with Cronbach's Alpha 0.86 (Reliable). The Kelintang Jolo context and Arduino technology integration successfully enhanced the relevance and appeal of sound wave learning material. The product is declared valid and practical as an innovative physics learning medium integrating local wisdom with 21st-century technology.
Kit Robot Pendeteksi Gas Berbasis Project Based Learning: Analisis Kelayakan dan Persepsi Mahasiswa Adong Hotria Lumbantoruan; Nehru; Budi Eka Dharma
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 3 (2026): August (Inpres)
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i3.2203

Abstract

Sensor and microcontroller materials in the Advanced Electronics course are essential for developing automation-based technologies such as the Internet of Things (IoT) and robotics. However, learning in this course is often constrained by limited practical media, as instruction tends to be dominated by theory without adequate hands-on support, making it difficult for students to connect concepts with real-world applications. This study aims to analyze the feasibility and students' perceptions of a gas detection robot kit based on Project-Based Learning (PjBL) for sensor and microcontroller materials. The research employed the Research and Development (R&D) method using the 4D model. The robot kit was developed using an Arduino Uno integrated with gas, ultrasonic, infrared, and Bluetooth sensors. Accompanying this, a learning module was structured following the PjBL syntax. Expert validation results indicated that the robot kit obtained feasibility scores of 100% and 96% from two validators, categorized as "Very Feasible." Meanwhile, the module's feasibility increased from 86% and 89% in stage I to 91% and 98% in stage II. Furthermore, a perception questionnaire distributed to 22 students yielded a positive response with a percentage of 83%, categorized as "Very Good." In conclusion, the gas detection robot kit and the PjBL-based module are highly feasible and well-received as learning media.
Co-Authors -, Maison Adong Hotria Lumbantoruan AJ, Suharli Bella Arisha Devi Harmita Fiki Alghadari Haerul Pathoni, Haerul Jeliana Veronika Sirait Kriswantoro Kriswantoro Lestari, Neneng M Furqon Mely Chelvina Harahap Nehru Nurul Hidayah Rahma Dani Saparuddin Saparuddin