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Pengembangan Media Pembelajaran Berbasis Android pada Materi Sistem Imunitas Alawiyah, Tuti; Muttaqien, Muhammad; Hadiansah, Hadiansah
Bioeduca : Journal of Biology Education Vol. 3 No. 2 (2021): Bioeduca : Journal of Biology Education
Publisher : Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/bioeduca.v3i2.6635

Abstract

Penelitian ini bertujuan untuk mengetahui kelayakan media pembelajaran, dan untuk mendeskripsikan respon siswa terhadap media pembelajaran berbasis android pada materi sistem imunitas. Metode penelitian yang digunakan adalah metode penelitian dan pengembangan dengan tahapan pengembangan 3D (Define, Design, dan Development). Penelitian dilaksanakan di SMAN 1 Palabuhanratu pada peserta didik kelas XI MIPA yang berjumlah 15 peserta didik. Instrumen yang digunakan adalah lembar validasi media pembelajaran. Teknik analisis data yang digunakan adalah analisis data kualitatif yaitu validasi media pembelajaran dan teknik data analisis respon angket siswa terhadap media pembelajaran dengan menggunakan skala pengukuran rating scale. Indikator penilaian media oleh ahli materi meliputi kurikulum, penyajian materi, penggunaan Bahasa dan evaluasi, dan indikator oleh ahli media meliputi desain tampilan, aksesbilitas, penggunaan Bahasa dan keterlaksanaan. Hasil uji validasi media pembelajaran oleh ahli media dan ahli materi memperoleh persentase sebesar 79,90% dengan kriteria valid dan layak dan 81,84% dengan kriteria valid dan sangat layak, dan respon siswa terhadap penggunaan media pembelajaran memperoleh hasil sebesar 79,65% dengan kriteria valid dan baik.
Physicochemical Conditions of the Cidamar River Estuary in the Rainy Season with Management Implications Hadiansah, Hadiansah; Muttaqien, Muhammad
Jurnal Kelautan dan Perikanan Indonesia Vol 5, No 1: April (2025)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jkpi.v5i1.32956

Abstract

The Cidamar River estuary is one of the major estuarine systems in Cianjur Regency, West Java, and is widely utilized by surrounding communities to support various activities such as agriculture, plantations, livestock farming, and daily domestic uses. This study aimed to analyze the physicochemical characteristics of the waters during the rainy season in the Cidamar River estuary, Cianjur Regency. The research was conducted from January to March 2022, which corresponds to the rainy season period. Water samples were collected from two sampling stations with an approximate distance of 1.5 km between sites. Physicochemical parameters were measured in situ using a Water Quality Recorder (LUTRON WAC-2019SD). The obtained data were analyzed and compared with established water quality standards. The results indicated that all twelve physicochemical parameters exhibited monthly variations. Several parameters, such as dissolved oxygen, were found to comply with the applicable water quality standards. Variations in the measured parameters were influenced by factors including seasonal conditions, sampling time, and anthropogenic activities around the study area. The findings of this study provide baseline information for the environmental management of the Cidamar River estuary to maintain water quality and ensure its sustainable use by local communities.