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All Journal Didaktik : Jurnal Ilmiah PGSD STKIP Subang Jurnal Farmasi EDUKASI : Jurnal Penelitian dan Artikel Pendidikan
Wulandari, Sindy
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Dentistry Education Health Professions Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Nursing Public Health

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PENERAPAN MEDIA PEMBELAJARAN MELALUI MEDIA DISPLAY UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA MATA PELAJARAN PPKN KEANEKARAGAMAN SUKU BANGSA KELAS 4 DI SEKOLAH DASAR Nurhasanah, Ana; Adya Pribadi, Reksa; Wulandari, Sindy
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 7 No. 02 (2021): Volume 07, Nomor 02, Desember 2021
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v7i02.243

Abstract

Learning media is a tool that is used as a support for the implementation of learning to learn to learn to learn, ranging from book sources to other media, and researchers also provide learning media in the form of display board media to 4th grade students in SDN Panunggulan 2 as a learning media tool so that learning can run effectively. The display media itself is a medium that can be used to display images such as posters, and other small objects that are three-dimensional with this also as a support for student learning so that students can be used in learning and also seen directly by students. Therefore, researchers provided a media display in the form of this image to the 4th class on the material of ethnic diversity in Indonesia because in the material is still low learning results about VAT material diversity of ethnic groups in Indonesia and.the use of this media aims to help teachers and students in improving learning outcomes. Learning outcomes are changes in students including their behavior in real terms that are done through the teaching and learning process that is in accordance with the learning objectives and with the learning outcomes teachers are able to see the development that has been owned by the student.
REVIEW ARTICLE: MACAM-MACAM METODE PENGUJIAN AKTIVITAS ANTIOKSIDAN Nugraheni, Tarisa; Putri, Anisa; Sukmawati, Aprillia; Khasanah, Latifah; Nisa, Logaritma; Putri, Lu'luin; Wulandari, Sindy; Riswana, Syifa; Setiawan, Iwan
Jurnal Farmasi (Journal of Pharmacy) Vol 13, No 1 (2024)
Publisher : SEKOLAH TINGGI ILMU KESEHATAN NASIONAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37013/jf.v13i1.240

Abstract

Antioksidan adalah zat yang melawan dan mencegah terbentuknya radikal bebas yang dapat merusak tubuh. Struktur kimia, sumber radikal bebas dan sifat fisikokimia preparat yang diperoleh dari sampel yang berbeda dapat menyebabkan hasil uji aktivitas antioksidan yang berbeda pula. Oleh karena itu, metode selektif untuk menganalisis aktivitas antioksidan diperlukan untuk jenis sampel tertentu. Metode pengujian aktivitas antioksidan meliputi metode CUPRAC, DPPH, FRAP, HPLC, ORACFL, CAA, amperometri, voltametri, ABTS. Pengujian antioksidan dengan metode DPPH menjadi metode yang paling banyak digunakan karena proses pengukurannya yang cepat, sederhana dan biayanya yang terjangkau dalam mengukur aktivitas antioksidan. Metode DPPH berprinsip pada radikal DPPH atom hydrogen didonorkan oleh senyawa antioksidan yang akhirnya menyababkan DPPH menjadi bentuk tereduksi bersifat nonradikal. Pengujian antioksidan menggunakan metode DPPH dibidang analisis kosmetik untuk menangkal radikal bebas yang terbentuk pada lapisan kulit. Kemudian, untuk pengujian antioksidan terhadap tanaman yaitu untuk pengukuran radikal bebas apakah menunjukan bahwa ekstrak pada tanaman memiliki aktivitas antioksidan atau tidak dengan menggunakan metode DPPH.Kata Kunci: Metode, Antioksidan, DPPH
Pengembangan Media Pembelajaran Topi Tawa (Tanya Jawab) Berorientasi pada Keterampilan Berpikir Tingkat Tinggi Peserta Didik Kelas V di SDN Panunggulan 2 Wulandari, Sindy; Hakim, Zerri Rahman; Pribadi, Reksa Adya
Edukasi: Jurnal Penelitian dan Artikel Pendidikan Vol 16 No 2 (2024)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/edukasi.v16i2.11990

Abstract

This research aims to develop a laughing hat learning media (question and answer) in the fifth grade science (Natural Science) subject at Elementary School, to determine the feasibility of the laughing hat media and to find out students' responses after carrying out the learning process using the laughing hat media. This research uses the Research and Development (R&D) method using a design model (4D) which includes 4 stages Define–Design–Develop–Desiminate developed by Triagarajan. Data collection techniques in this research used interviews for needs analysis, documrgu entation studies, and product feasibility validation questionnaires for teams of media experts and material experts, as well as response questionnaires for fifth grade elementary school students. The subjects in this research were class V students at SDN Panunggulan 2, totaling 23 students. The results of the product validation test, from media experts obtained an overall average presentation score of 86% with very valid (very feasible) criteria, material expert validation obtained an overall average percentage score of 89% with very valid (very feasible) criteria. So the overall product feasibility presentation reached 88% with very good criteria. Based on the results of research and development carried out by researchers, it was concluded that the laughing hat media (question and answer) in the science subject (Natural Science) material CHAPTER 2 (Harmony in Ecosystems) Topic A.1 Food Chain in class V elementary school (feasible ) and is very good for use in learning activities.
Co-Authors Adya Pribadi, Reksa Ana Nurhasanah, Ana Anisa Putri Iwan Setiawan Khasanah, Latifah Nisa, Logaritma Nugraheni, Tarisa Pribadi, Reksa Adya Putri, Lu'luin Riswana, Syifa Sukmawati, Aprillia Zerri Rahman Hakim