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PENGEMBANGAN VISUAL THINKING STRATEGY IN AUGMENTED REALITY (ViTSAR) BERBASIS ETNOFISIKA KOLECER DAN GASING BANTEN UNTUK MEMFASILITASI LITERASI VISUAL SISWA PADA MATERI MOMEN INERSIA Arrafikar Rizqia Firdaus; Yudi Guntara; Tresna Galih Sukma Suryana
Pascal: Journal of Physics and Science Learning Vol 10, No 1 (2026): JUNI
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/pascal.v10i1.13692

Penelitian ini memiliki tujuan untuk mengembangkan media ViTSAR atau Visual Thinking Strategy in Augmented Reality berbasis etnofisika kolecer dan gasing Banten pada materi momen inersia untuk memfasilitasi literasi visual siswa. Penelitian menggunakan metode Research and Development. Model pengembangan yang digunakan yaitu 4D yang terdiri atas 4 tahap yaitu define, design, develop dan disseminate. Subjek dari penelitian ini terdiri atas 36 orang siswa kelas XI.A1 SMAN 21 Kabupaten Tangerang. Instrumen yang dipakai berupa lembar validasi ahli, serta angket respon siswa. Berdasarkan temuan penelitian, media ViTSAR berbasis etnofisika kolecer dan gasing Banten mendapatkan kategori layak berdasarkan hasil penilaian para ahli. Kemudian, hasil angket respon pengguna menunjukkan bahwa media ViTSAR memperoleh respon sangat baik dan berpotensi memfasilitasi literasi visual siswa melalui visualisasi Augmented Reality (AR) berbasis etnofisika kolecer dan gasing Banten. Kata kunci: ViTSAR, Literasi visual, Etnofisika, Momen inersia, Augmented Reality, Ahli materi, Ahli media

Pengembangan dan Uji Terbatas Instrumen Diagnostik Miskonsepsi pada Materi Fluida Dinamis dengan Analisis Model Rasch Firna Agustin; Agiva Dianda Astri; Tresna Galih Sukma Suryana
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 9 No. 2 (2025): November Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v9i2.4569

This study aims to develop and validate a diagnostic instrument based on Google Forms to identify students' misconceptions on dynamic fluid material, including the concepts of discharge, continuity equations, Bernoulli's law, and Torricelli's theorem. The research was conducted using the Research and Development (R&D) method with a 4-D development model (Define, Design, Develop, and Disseminate), but was only implemented up to the Develop stage because implementation was limited. The research subjects consisted of 35 eleventh-grade students from a Madrasah Aliyah in Serang City. The research process included instrument development, expert validation, limited testing, and data analysis using the Ministep Rasch model. The results showed that the instrument had sufficient validity and reliability, with an instrument reliability of 0.91 (good category). This instrument is effective in identifying students' misconceptions, especially regarding Bernoulli's principle. This article can contribute to the development of physics learning evaluation based on diagnostic tests.

PERBANDINGAN PENGARUH CARBON DOTS DARI KULIT PARE DAN JAGUNG PADA PERTUMBUHAN BAYAM Khafilah Hendra Yani; Nelly Apriliani; Rahmat Firman Septiyanto; Tresna Galih Sukma Suryana; Jesica Amelda; Tatmimatul Hasanah; Dede Ardila
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.v10i1.7994

Penelitian ini bertujuan membandingkan pengaruh carbon dots (C-dots) dari kulit pare dan kulit jagung terhadap pertumbuhan tanaman bayam (Amaranthus sp.) pada konsentrasi 0,5 g/L dan 1 g/L. C-dots disintesis menggunakan metode pemanasan oven pada suhu 250°C selama 40 menit, kemudian diaplikasikan dengan penyiraman selama 7 hari. Parameter pertumbuhan yang diamati adalah tinggi tanaman. Hasil menunjukkan bahwa kedua jenis C-dots meningkatkan pertumbuhan bayam dibandingkan kontrol (aquades). Perlakuan C-dots kulit jagung 0,5 g/L menghasilkan pertumbuhan tertinggi (2,0 cm pada hari ke-7), diikuti oleh C-dots kulit pare 1 g/L (1,9 cm) dan kulit jagung 1 g/L (1,9 cm). Pengaruh C-dots bersifat tergantung dosis (dose-dependent), di mana konsentrasi optimal bergantung pada sumber biomassa. Kesimpulannya, C-dots dari kulit pare dan jagung berpotensi sebagai biostimulan ramah lingkungan, dengan kulit jagung 0,5 g/L sebagai perlakuan terbaik dalam penelitian ini.

Development and Limited Test of Kinematics Conception Diagnostic Instrument: A Rasch Model Analysis Approach Hana Apriliana; Aden Yusril Sasmita; Ilham Mustaqim; Rika Rahmawati; Tresna Galih Sukma Suryana
Journal of Innovative Physics Education Research Vol. 1 No. 1 (2025): Journal of Innovative Physics Education Research
Publisher : CV. Dharma Samakta Edukhatulistiwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61142/jiper.v1i1.194

This study aims to identify and analyze misconceptions experienced by students on kinematics material. The approach used is quantitative, with a two-level diagnostic test method consisting of 10 multiple choice questions designed to detect misconceptions, involving 30 students of class XI MIPA at SMAN 4 Serang City. The research process included instrument development, expert validity test, limited trial, and data analysis. The question testing design used the Rasch Model Analysis method. Overall, this diagnostic test instrument showed good validity. The analysis results showed that the item reliability value reached 0.89, which indicated that the quality of the items was good. The findings of the data analysis show that students experience misconceptions caused by misunderstanding the concept of kinematics. Based on the results of this study, it is recommended that more effective learning strategies, such as the use of visual media and hands-on practicum, be applied to improve students' understanding of the concept of kinematics. In addition, training for teachers is also needed to improve their ability to identify and overcome misconceptions experienced by students.

Development and Validation of Diagnostic Instrument to Identify Student Misconceptions in Vector Material Arrafikar Rizqia Firdaus; Elza Wulandarie; Mira Cantika; Tresna Galih Sukma Suryana
Journal of Innovative Physics Education Research Vol. 1 No. 1 (2025): Journal of Innovative Physics Education Research
Publisher : CV. Dharma Samakta Edukhatulistiwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61142/jiper.v1i1.195

This study aims to develop and validate a web-based diagnostic instrument to detect students' misconceptions on vector material, including the concepts of vector magnitude, vector components, resultant, and vector displacement. The research was conducted using a quantitative research design, involving 30 students of class XI IPA 3 SMA Negeri 1 Padarincang. The research process includes instrument development, expert validation, limited trial, and data analysis. The results showed that the instrument had adequate reliability and validity, with KR-20 reliability of 0.848 (high category). The instrument is effective in identifying misconceptions, especially on the concepts of resultant and vector displacement. This article contributes to the development of diagnostic-based physics learning evaluation.

PENGEMBANGAN VISUAL THINKING STRATEGY IN AUGMENTED REALITY (ViTSAR) BERBASIS ETNOFISIKA KOLECER DAN GASING BANTEN UNTUK MEMFASILITASI LITERASI VISUAL SISWA PADA MATERI MOMEN INERSIA Arrafikar Rizqia Firdaus; Yudi Guntara; Tresna Galih Sukma Suryana
Pascal: Journal of Physics and Science Learning Vol 10, No 1 (2026): JUNI
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/pascal.v10i1.13692

Penelitian ini memiliki tujuan untuk mengembangkan media ViTSAR atau Visual Thinking Strategy in Augmented Reality berbasis etnofisika kolecer dan gasing Banten pada materi momen inersia untuk memfasilitasi literasi visual siswa. Penelitian menggunakan metode Research and Development. Model pengembangan yang digunakan yaitu 4D yang terdiri atas 4 tahap yaitu define, design, develop dan disseminate. Subjek dari penelitian ini terdiri atas 36 orang siswa kelas XI.A1 SMAN 21 Kabupaten Tangerang. Instrumen yang dipakai berupa lembar validasi ahli, serta angket respon siswa. Berdasarkan temuan penelitian, media ViTSAR berbasis etnofisika kolecer dan gasing Banten mendapatkan kategori layak berdasarkan hasil penilaian para ahli. Kemudian, hasil angket respon pengguna menunjukkan bahwa media ViTSAR memperoleh respon sangat baik dan berpotensi memfasilitasi literasi visual siswa melalui visualisasi Augmented Reality (AR) berbasis etnofisika kolecer dan gasing Banten. Kata kunci: ViTSAR, Literasi visual, Etnofisika, Momen inersia, Augmented Reality, Ahli materi, Ahli media

“RED FLAG” dalam Pembelajaran GLBB: Identifikasi Miskonsepsi Siswa Menggunakan Two-Tier Diagnostic Test Tatmimatul Hasanah; Dwi Cahya Ningrum; Tresna Galih Sukma Suryana
Jurnal Pendidikan Fisika Vol 13, No 1 (2026): Jurnal Pendidikan Fisika
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpf.v13i1.27356

AbstractThis study was conducted to identify student misconceptions regarding Uniformly Accelerated Linear Motion (GLBB) through the application of a two-tier diagnostic instrument and analyzed using the Rasch model approach. The method used was descriptive quantitative, with 42 students of grade XI MIPA 4 at SMA Negeri 1 Mancak as subjects. The instrument consisted of 11 two-tier questions consisting of two parts: multiple-choice questions (the first tier) and rationale for the chosen answer (the second tier). The data were analyzed using Ministep software version 5.9.1.0 to determine the level of item suitability and student ability based on the Rasch model. The results showed item reliability of 0.92, individual reliability of 0.58, and a Cronbach's Alpha value of 0.73. Misconceptions indicated that most students experienced conceptual errors in the concepts of acceleration, velocity-time graphs, and incorrect use of motion formulas. The Wright map showed a varied distribution of student abilities, with a tendency to fall slightly above the item difficulty level. This study emphasizes the importance of using a two-tier diagnostic instrument to uncover misconceptions as a basis for developing physics learning strategies in schools.Keywords: GLBB, two-tier, misconception, Rasch model, diagnostics AbstrakPenelitian ini dilakukan untuk mengidentifikasi miskonsepsi siswa dalam materi Gerak Lurus Berubah Beraturan (GLBB) melalui penerapan instrumen diagnostik two-tier dan dianalisis dengan pendekatan model Rasch. Metode yang digunakan bersifat kuantitatif deskriptif, dengan subjek 42 siswa kelas XI MIPA 4 di SMA Negeri 1 Mancak. Instrumen berupa 11 butir soal two-tier yang terdiri dari dua bagian, yakni pertanyaan pilihan ganda (tier pertama) dan alasan pemilihan jawaban (tier kedua). Hasil data dianalisis menggunakan perangkat lunak Ministep versi 5.9.1.0 untuk mengetahui tingkat kesesuaian item dan kemampuan siswa berdasarkan model Rasch. Hasil penelitian menunjukkan bahwa reliabilitas item sebesar 0,92, reliabilitas person 0,58, dan nilai Alpha Cronbach sebesar 0,73. Identifikasi miskonsepsi menunjukkan bahwa sebagian besar siswa mengalami kesalahan konseptual pada konsep percepatan, grafik kecepatan terhadap waktu, serta penggunaan rumus gerak yang tidak tepat. Peta Wright menunjukkan distribusi kemampuan siswa yang bervariasi dengan kecenderungan berada sedikit di atas tingkat kesulitan item. Penelitian ini menegaskan pentingnya penggunaan instrumen diagnostik two-tier untuk mengungkap miskonsepsi sebagai dasar perkembangan strategi pembelajaran fisika di sekolah.Kata kunci: GLBB, two-tier, miskonsepsi, model Rasch, diagnostik

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