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All Journal Jurnal Pelita Pendidikan EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA Jurnal Studi Guru dan Pembelajaran Nusantara Hasana Journal Jurnal Media Informatika KNOWLEDGE: Jurnal Inovasi Hasil Penelitian dan Pengembangan Biocaster : Jurnal Kajian Biologi Jurnal Dirosah Islamiyah Jurnal Pelita: Jurnal Pembelajaran IPA Terpadu
Handayani, Dina
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Pengaruh Problem Based Learning Berbantuan Modul Elektronik terhadap Kemampuan Kognitif, Afektif dan Psikomotorik pada Materi Pencemaran Lingkungan Safira, Mutia; Handayani, Dina
Jurnal Studi Guru dan Pembelajaran Vol. 8 No. 3 (2025): September - Desember 2025
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/jsgp.8.3.2025.7101

Abstract

Permasalahan penelitian ini adalah pembelajaran di kelas masih berpusat pada guru dan belum memanfaatkan teknologi secara optimal. Penelitian ini bertujuan untuk mengetahui pengaruh Problem Based Learning terhadap hasil belajar peserta didik pada materi pencemaran lingkungan. Metode penelitian ini menggunakan jenis penelitian Quasi Eksperimen dengan desain Pretest Posttest Control Group Design, yang dilaksanakan pada semester ganjil tahun ajaran 2025/2026 di SMP Negeri 8 Medan. Populasi dalam penelitian ini adalah seluruh peserta didik kelas VII yang terdiri dari sepuluh kelas. Pengambilan sampel penelitian dilakukan dengan teknik Random Sampling, kelas VII-2 sebagai kelas eksperimen yang diberi perlakuan menggunakan model Problem Based Learning berbantuan Modul Elektrnik (E-Modul) dan kelas VII-8 sebagai kelas kontrol yang menggunakan model Problem Based Learning dengan buku paket. Pengumpulan data dilakukan dengan menggunakan tes dan non tes. Instrumen yang digunakan adalah tes hasil belajar berbentuk pilihan berganda sebanyak 25 soal. Hasil penelitian menunjukkan bahwa nilai rata-rata pre-test dan post-test di kelas eksperimen adalah 46,125 dan 78,38, Sementara itu, kelas kontrol memperoleh nilai rata-rata pretest dan posttest sebesar 45,875 dan 70,13. Hasil uji hipotesis menunjukkan bahwa thitung > ttabel (2 > 1,67), sehingga H0 ditolak dan Ha diterima. Dengan demikian, dapat disimpulkan bahwa terdapat pengaruh yang signifikan dari penerapan model pembelajaran Problem Based Learning terhadap hasil belajar peserta didik kelas VII SMP Negeri 8 Medan pada materi Pencemaran Lingkungan.
Pengaruh Beberapa Media Tanam terhadap Pertumbuhan Tanaman Cabai Rawit (Capsicum frutescens L.) Oktaviani, Jelita; Handayani, Dina; Nusyirwan, Nusyirwan
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.1027

Abstract

This study aims to analyze the effect of a combination of soil, cocopeat, and rice husk charcoal on the vegetative and generative growth of cayenne pepper (Capsicum frutescens L.). This study was conducted at the Greenhouse, Medan State University, used a Completely Randomized Design (CRD) consisting of four treatments and six replications. The data obtained were analyzed using ANOVA, followed by Duncan's test at a 5% confidence level. The results showed that the combination of planting media significantly affected the growth and production of cayenne pepper (Capsicum frutescens L.). The soil + rice husk charcoal (3:1) treatment consistently produced the highest average for all observation parameters, including plant height, number of leaves, flowering time, number of fruits per plant and fruit weight per plant. The superiority of this media is related to the properties of rice husk charcoal which is able to increase aeration, and the ability to retain water, so it can affect healthy root development and nutrient absorption, especially phosphorus (P) which is very important for fruit formation. Thus, the combination of soil and rice husk charcoal (3:1) is the most effective treatment for increasing the productivity of cayenne pepper (Capsicum frutescens L.).
Pengaruh Pupuk Kandang Ayam terhadap Pertumbuhan dan Produksi Tanaman Kacang Panjang (Vigna cylindrica L.) Mustaqim, Adnan; Handayani, Dina; Nusyirwan, Nusyirwan
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.1032

Abstract

This study aims to analyze the effect of various doses of chicken manure on the growth and yield of long bean plants (Vigna cylindrica L.). The experimental design used was a Completely Randomized Design (CRD) with four treatments and six replications. Treatments consisted of A (control without fertilizer), B (0.5 kg chicken manure), C (1 kg chicken manure), and D (1.5 kg chicken manure). The variables observed included plant height, number of leaves, number of branches, number of pods, pod length, and fresh pod weight at 14, 28, and 42 Days After Planting (DAP). This study was conducted at the Greenhouse, Department of Biology, State University of Medan. The time of this study was from July to September 2025. The results of the Analysis of Variance (ANOVA) showed that the application of chicken manure had a very significant effect (p<0.05) on all parameters of plant growth and yield. Further DMRT testing results demonstrated that treatment D (1.5 kg of chicken manure) consistently produced the highest yields and significantly differed from the other treatments across all observation phases. It can be concluded that applying 1.5 kg of chicken manure per plot is the optimal dose, significantly increasing vegetative growth and yield of long beans.
Buku Saku Berbasis Riset Keanekaragaman Angiospermae Sebagai Inovasi Bahan Ajar Biologi Kontekstual Di SMA Negeri 13 Medan Azmi, Dewi; Handayani, Dina
Jurnal Media Informatika Vol. 7 No. 2 (2026): Edisi Maret-April
Publisher : Lembaga Dongan Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55338/jumin.v7i2.8669

Abstract

Penelitian ini dilatarbelakangi oleh rendahnya pemanfaatan potensi lokal Taman Cadika sebagai sumber belajar biologi dan keterbatasan bahan ajar kontekstual di SMA Negeri 13 Medan. Tujuan penelitian ini adalah untuk menguji kelayakan dan efektivitas buku saku keanekaragaman Angiospermae berbasis riset sebagai inovasi bahan ajar. Menggunakan metode Research and Development (R&D) dengan model 4-D yang dimodifikasi (Define, Design, Develop), subjek penelitian melibatkan ahli materi, desain, pembelajaran, serta 30 siswa kelas X sebagai responden uji coba. Hasil validasi menunjukkan tingkat kelayakan dari ahli materi sebesar 82,14% (sangat layak), ahli desain 78,64% (layak), dan ahli pembelajaran 82,22% (sangat layak). Respon siswa pada uji coba terbatas mencapai 92,67% dengan kategori sangat positif. Implementasi buku saku ini secara signifikan meningkatkan hasil belajar kognitif siswa dengan kenaikan rata-rata nilai dari 61,93 (pretest) menjadi 91,63 (posttest). Simpulan penelitian ini adalah buku saku berbasis riset ini efektif digunakan sebagai media pembelajaran mandiri yang praktis dan kontekstual.
Kajian Etnobiologi pada Makanan Khas Suku Karo di Kecamatan Sibiru-biru Kabupaten Deli Serdang Manik, Maria Goreti Perawati Br.; Handayani, Dina
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 2 (2026): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i2.1042

Abstract

This study aims to document and analyze the traditional food of the Karo Tribe in the seven-monthly ceremony (Mbesur-mbesuri) in the Karo Tribe community in Sibiru-biru District, Deli Serdang Regency. This study was conducted in two villages, namely Biru-biru Village and Rumah Gerat Village, Sibiru-biru District, Deli Serdang Regency. This type of research is descriptive qualitative and quantitative using emic and etic research approaches. Data collection techniques were carried out by participatory observation, interview techniques, documentation techniques, Focus Group Discussions (FGD), plant identification, and animal identification. The results of the study show that the traditional food of the Karo Tribe contained in the seven-monthly ceremony (Mbesur-mbesuri) consists of seven types of mandatory foods that utilize 19 types of plants belonging to 12 families, and 1 type of animal from the Phasianida family. The dominant plant family used in the traditional food of the seven-monthly ceremony (Mbesur-mbesuri) is Zingiberaceae. The most frequently used part of the plant is the fruit, namely 6 types. In terms of plant habitus, herbs are the most dominant species used in the seven-monthly ceremony (Mbesur-mbesuri), with 13 species.
Studi Etnobotani Ritual Erpangir Ku Lau pada Masyarakat Karo di Kecamatan Kabanjahe Kabupaten Karo Syahfitri, Dinda; Harsono, Tri; Suriani, Cicik; Sari, Wina Dyah Puspita; Handayani, Dina; Pulungan, Ahmad Shafwan S.
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 2 (2026): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i2.1126

Abstract

The Erpangir Ku Lau ritual is a Karo people's self-purification ritual that has traditionally utilized plants as the main element. This study aims to examine the belief system (cosmos), local knowledge (corpus), and plant utilization practices (praxis) in the Erpangir Ku Lau ritual in Kabanjahe District. The study was conducted in January 2026 in Lau Cimba Village using a qualitative and quantitative descriptive approach through semi-structured interviews with 10 key informants selected by purposive sampling. The results identified 17 species from 11 plant families. The Rutaceae family dominated with 4 species (23.53%), followed by Rosaceae with 3 species (17.65%), and Poaceae with 2 species (11.76%). The most commonly utilized organs were fruits and flowers (29.41%), followed by leaves (23.53%). Shrub habitus dominated with 47.06%. The Karo people view plants as symbolic and spiritually significant, with the kaffir lime (Citrus hystrix D.C.) as a key plant. Plant use reflects holistic local wisdom, combining ecological, chemical, and spiritual aspects. Documenting this traditional knowledge is crucial to prevent its extinction due to modernization.
Co-Authors Abdul Aziz, Haris Abriansyah, Faisal Ahmad Shafwan S. Pulungan, Ahmad Shafwan S. Aida Fitriani Sitompul Arifah, Muethia Aulia, Frida Azmi, Dewi CICIK SURIANI Fadillah, Annisa Dea Gultom, Rahmad H Gultom, Rahmad H. Haniyyah, Ummu Harefa, Dyana Lestari Ika Kartika Khairani, Anita Lili Tansliova Manik, Maria Goreti Perawati Br. Marpaung, Dwi Ratna Anjaning Kusuma Martina Restuati Mustaqim, Adnan Nanda Pratiwi Nanda, Risfina Dwi Nusyirwan Nusyirwan Oktaviani, Jelita Pandiangan, Selvi Oktavia Panggabean, Nurul Huda Puspitasari, Wina Dyah Rini Hafzari Safira, Mutia Sanimah Simanjuntak, Debora Cantyka Febriani Sitorus, Nia Damai Putri Br Syahfitri, Dinda Tri Harsono Wina Dyah Puspita Sari, Wina Dyah Zahra, Mutiara