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PENGARUH METODE PENGERINGAN TERHADAP KUALITAS SERBUK SERESAH Enhalus acoroides DARI PANTAI TAWANG PACITAN Huriawati, Farida; Yuhanna, Wachidatul Linda; Mayasari, Tantri
Bioeksperimen: Jurnal Penelitian Biologi Vol 2, No 1: March 2016
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/bioeksperimen.v2i1.1579

Abstract

Kabupaten pacitan memiliki komoditas flora laut yang potensial. Salah satunya adalah E. acoroides. Pemanfaatan E. acoroides sebagai sumber bahan kimia dan obat-obatan membutuhkan pengolahan yang tepat sehingga mampu tahan dalam waktu yang lama. Salah satu proses yang biasa diberikan adalah proses pemanasan untuk memperlambat proses kimia dan biologi pada bahan, sehingga bahan menjadi tahan lama. Metode penelitian ini menggunakan metode eksperimen.Tahapan penelitian meliputi pengambilan dan preparasi E. acoroides, pembuatan serbuk seresah E. acoroides, analisa kualitas serbuk seresah E. acoroides yang meliputi analisa kadar air, kadar abu, kadar lemak, dan kadar pati.  Hasil dari penelitian ini adalah proses pengeringan dilakukan dengan 2 cara yaitu menggunakan oven dan sinar matahari. Proses pengeringan menggunakan oven yang berlangsung pada suhu yang tinggi menyebabkan terjadinya case hardening, yaitu bagian permukaan bahan pangan sudah kering sekali bahkan mengeras sedangkan bagian dalamnya masih basah. Kualitas kelayakan hasil produksi serbuk seresah lamun dengan metode pengeringan sinar matahari kadar air 14,76%, kadar abu 18,83%, kadar pati 9,88% dan kadar lemak 0,54%.  Pengeringan menggunakan oven kadar airnya 23,66%, kadar abu 19,39%, kadar pati 8,73% dan kadar lemak 0,74%.
Pengembangan Perangkat Pembelajaran Melalui Pendekatan Konstruktivistik dengan Metode Five E (5E) Stages Learning Cycle untuk Meningkatkan Hasil Belajar dan Keterampilan Proses Sains Sasono, Mislan; Huriawati, Farida; Yusro, Andista Candra
Momentum: Physics Education Journal Vol 1 No 1 (2017)
Publisher : Universitas PGRI Kanjuruhan Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (442.305 KB) | DOI: 10.21067/mpej.v1i1.1630

Abstract

Research aims to implement and develop the shape of the natural science/physics as device learning to enhance science process skills and the results of learning through constructivist approach with (5E) stages of material objects and the learning cycle to its elementary school students of classes V. This research includes Research and Developmental research (R&D). In developing this form of learning devices used stage design (design), stage of development (develop), stages of dissemination (disseminate). The form of a learning device successfully developed by disseminaing once to three times, and subject learning classes V at Kanigoro elementary school. Any form of learning devices developed validated by researchers with triangulation. Activities undertaken by students and student learning outcomes during learning recorded as quantitative data and analyzed in qualitative descriptive. The shape of the device successfully developed through learning method 5E learning cycle stages was work Sheets, learning  implementation plan, the evaluation sheet of the product. Based on the descriptive analysis of the obtained conclusions that the learning that has been developed successfully process skills increase students and student learning outcomes. Science process skills improvement students learning I, II, and III, i.e., 70.79%, 73.97%, as well as analysis results 78.10% average value of pre test and post test students experience increased i.e. 31 points from the average value of 33 pre test and average value of post test of 64. Keywords: Method Five E (5E) Learning Cycle, Results Learning, Science Process Skills Penelitian ini bertujuan menerapkan dan mengembangkan bentuk perangkat pembelajaran IPA/Fisika untuk meningkatkan keterampilan proses sains dan hasil belajar melalui pendekatan konstruktivistik dengan metode (5E) learning cycle materi benda dan sifatnya siswa SD kelas V. Penelitian ini termasuk penelitian Research and Developmental (R&D). Dalam mengembangkan bentuk perangkat pembelajaran digunakan tahap perancangan (design), tahap pengembangan (develop), tahap penyebaran (disseminate). Bentuk perangkat pembelajaran yang berhasil dikembangkan didiseminasikan satu kali untuk tiga kali pembelajaran, subjek penelitian siswa kelas V SD Kanigoro. Setiap bentuk perangkat pembelajaran yang dikembangkan divalidasi oleh peneliti dengan triangulasi. Aktivitas yang dilakukan oleh siswa dan hasil belajar siswa selama pembelajaran dicatat sebagai data kuantitatif dan dianalisis secara deskriptif kualitatif. Bentuk perangkat pembelajaran yang berhasil dikembangkan melalui metode 5E learning cycle adalah LKS, RPP, lembar evaluasi produk. Berdasarkan analisis deskriptif diperoleh kesimpulan bahwa perangkat pembelajaran yang telah dikembangkan berhasil meningkatakan keterampilan proses siswa dan hasil belajar siswa. Peningkatan keterampilan proses sains siswa setiap pembelajaran I, II, dan III yaitu 70.79%, 73.97%, 78.10% serta analisis hasil nilai rata-rata pre test dan post test siswa mengalami peningkatan yaitu 31 poin dari nilai rata-rata pretes sebesar 33 dan nilai rata-rata postes sebesar 64. Kata Kunci: Metode Five E (5E) Learning Cycle, Hasil Belajar, Keterampilan Proses Sains
Pengembangan Instrumen Tes Diagnosis Konsep IPA Fisika Natalia, Defrina; Handhika, Jeffry; Huriawati, Farida
Momentum: Physics Education Journal Vol 1 No 2 (2017)
Publisher : Universitas PGRI Kanjuruhan Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (317.953 KB) | DOI: 10.21067/mpej.v1i2.1966

Abstract

Penelitian ini bertujuan: (1) Mengetahui cara mengembangkan instrumen tes diagnosis konsep IPA Fisika di SMP pada materi Getaran Gelombang, Bunyi, serta Cahaya dan Optik; (2) Mengetahui kelayakan instrumen tes diagnosis konsep IPA Fisika di SMP berdasarkan validator pada materi Getaran Gelombang, Bunyi, serta Cahaya dan Optik. Model pengembangan yang digunakan untuk mengembangkan instrumen tes diagnosis ini adalah adaptasi model pengembangan prosedural menurut Sugiyono dan model pengembangan 4-D oleh S. Tiagarajan Dorothy S. Semmel dan Melvyn L. Semmel. Desain uji coba produk pengembangan dalam penelitian ini yaitu validasi ahli, uji kelas kecil. Subjek uji coba adalah 7 siswa untuk tahap I uji kelas kecil dari kelas VIII B, dan 9 siswa untuk tahap II uji kelas kecil kelas VIII B SMPN 14 Madiun. Hasil penelitian menunjukkan bahwa: 1) Langkah-langkah pembuatan Instrumen Tes Diagnosis dalam penelitian ini yaitu analisis ujung depan, analisis siswa, spesifikasi tujuan, membuat instrumen tes dengan indikator C1-C4, menentukan format, perancangan, validasi ahli, dan uji kelas yang dilakukan dua tahap; 2) Kualitas Instrumen Tes Diagnosis ini memperoleh kategori baik dimana yang telah dinilai oleh ahli materi memperoleh presentase sebesar 95,33% (sangat layak); 3) Hasil uji validitas 34 soal essay uji kelas VIII B SMPN 14 Madiun tahap 1 dinyatakan valid sebanyak 25 butir soal dengan kategori sangat reliabel; hasil uji validitas 25 soal pilihan ganda uji kelas VIII B SMPN 14 Madiun tahap 2 dinyatakan valid sebanyak 15 butir soal dengan kategori sangat reliabel.
The Effectiveness of PBL-Based Multimedia Articulate Storyline and Phet Simulation on Student Learning Outcomes Purwandari, Purwandari; Huriawati, Farida; Dewi, Sinta Kusuma
EDUKASIA Jurnal Pendidikan dan Pembelajaran Vol. 6 No. 2 (2025): Edukasia: Jurnal Pendidikan dan Pembelajaran
Publisher : LP. Ma'arif Janggan Magetan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62775/edukasia.v6i2.1689

Abstract

This study examines the effectiveness of PBL-based multimedia using Articulate Storyline compared to PhET simulation in improving student learning outcomes on the topic of Regular Changing Straight Motion (GLBB). A quasi-experimental design with a pretest-posttest non-equivalent control group was applied to two intact classes: the experimental group used PBL-based Articulate Storyline, while the control group used PhET simulation. The research instrument was a validated multiple-choice test consisting of 10 items, with content validity reaching 86%. Data analysis included normality and homogeneity tests, paired sample t-tests, independent sample t-tests, and N-Gain analysis. Results showed that the experimental class achieved a higher posttest mean score (77.09) compared to the control class (59.57), with N-Gain values of 0.60 (medium) and 0.33 (low), respectively. Effect size analysis also indicated a very large impact of PBL-based Articulate Storyline. These findings suggest that combining multimedia with structured pedagogical approaches, such as PBL, provides more effective learning experiences than exploratory simulations. The novelty of this research lies in directly comparing two popular interactive media within the same experimental framework, offering empirical evidence that PBL-integrated multimedia leads to greater improvements in conceptual understanding of physics.
Innovative ADDIE-Based PhET Worksheet for Physics Learning in Limited-Laboratory Contexts Purwandari, Purwandari; Huriawati, Farida; Kurniadi, Erawan
EDUKASIA Jurnal Pendidikan dan Pembelajaran Vol. 7 No. 1 (2026)
Publisher : LP. Ma'arif Janggan Magetan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62775/edukasia.v7i1.2064

Abstract

This research is motivated by the main gap in physics learning, namely the lack of experimental activities due to limited laboratory facilities and the lack of systematic integration between PhET simulations and inquiry-based teaching tools. Although various studies have shown the effectiveness of virtual laboratories in improving conceptual understanding, there are still few studies that have developed structured digital LKPDs using the ADDIE model and empirically assess its impact on students' scientific attitudes. This research uses a Research and Development (R&D) design based on the ADDIE model which includes the analysis, design, development, and implementation stages. The effectiveness test was carried out using a one-group pretest–posttest design on 35 students in grade XI. Expert validation data was analyzed using a percentage of eligibility, while the improvement in students' scientific attitude was analyzed with descriptive statistics and N-Gain calculations to measure the relative improvement before and after treatment. The results showed that LKPD obtained the feasibility of 80.4% of material experts and 82.5% of media experts, both in the feasible category. The implementation of PhET-based LKPD resulted in an increase in scientific attitudes with an N-Gain value of 0.43 (medium category), indicating moderate effectiveness in facilitating virtual inquiry activities. Theoretically, this study contributes in the form of an integration model between digital LKPD, PhET simulation, and inquiry frameworks that can be replicated in the context of laboratory limitations. Practically, this product can be an innovative alternative teaching tool for physics teachers to support inquiry-based learning in limited facilities.