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All Journal PENDIPA Journal of Science Education JURNAL PENDIDIKAN MIPA
Nuryanti, Alimah
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Chemistry Education Mathematics Social Sciences Other

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Pengembangan Instrumen Literasi Sains Kontekstual Bencana Alam (Gempa Bumi dan Gunung Api) : Development of Contextual Science Literacy Instruments for Natural Disasters (Earthquakes and Volcanoes) Nuryanti, Alimah; Kaniawati, Ida; Suwarma, Irma Rahma
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.718-725

Abstract

This study aimed to develop a valid and reliable scientific literacy test instrument for seventh-grade junior high school students on earthquakes and volcanoes. The method used is Research and Development with a 4D model, which includes the stages of define, design, develop, and disseminate. The research subjects consisted of 30 junior high school students. The development data were analyzed to assess the validity, reliability, difficulty level, and discriminatory power of the instrument. The development procedure included planning, preparation of the initial draft, validation of content and construct by experts through the suitability of scientific literacy indicators with the test items, followed by field trials, revisions, and implementation of the instrument. Based on 15 test items prepared, 13 were declared valid, one was revised, and one was not used. The analysis results showed the reliability of the instrument with a KR-20 coefficient of 0.76 which is included in the high category. The level of difficulty of the questions consisted of 12 items in the medium category and 3 items in the easy category, while the discriminatory power of all questions was in the very good to good category.
Pengembangan LKM Berbasis Tracker Video Analysis sebagai Media Pembelajaran pada Materi Koefisien Gesek Dewi, Nila Mutia; Khasanah, Umi Uswatun; Nuryanti, Alimah; Ernasari, Ernasari
JURNAL PENDIDIKAN MIPA Vol. 16 No. 2 (2026): JURNAL PENDIDIKAN MIPA
Publisher : Pusat Publikasi Ilmiah, STKIP Taman Siswa Bima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37630/jpm.v16i2.4242

Abstract

Penelitian ini bertujuan untuk mengembangkan Lembar Kerja Mahasiswa (LKM) berbasis Tracker Video Analysis pada materi koefisien gesek yang valid dan praktis digunakan dalam pembelajaran fisika dasar. Penelitian ini merupakan penelitian pengembangan dengan mengadaptasi model 4D yang meliputi tahap define, design, develop, dan disseminate. Subjek uji coba terbatas terdiri dari 9 mahasiswa pendidikan fisika. Instrumen yang digunakan meliputi lembar validasi ahli dan angket respons mahasiswa. Data dianalisis menggunakan persentase deskriptif. Hasil penelitian menunjukkan bahwa LKM yang dikembangkan memperoleh nilai validitas sebesar 95% dengan kategori sangat valid. Sementara itu, hasil uji kepraktisan menunjukkan nilai rata-rata sebesar 82% dengan kategori sangat praktis. Hasil tersebut menunjukkan bahwa LKM berbasis Tracker Video Analysis layak digunakan sebagai media pembelajaran untuk membantu mahasiswa memahami konsep koefisien gesek melalui kegiatan praktikum berbasis analisis video.
Co-Authors Ernasari, Ernasari Ida Kaniawati Khasanah, Umi Uswatun Nila Mutia Dewi