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All Journal Bioscientist : Jurnal Ilmiah Biologi Jurnal Ilmiah Wahana Pendidikan
Mutiara Nabilla
Universitas Islam Negeri Sumatera Utara
Religion Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Social Sciences Other

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Identifikasi Jenis Lumut Kerak (Lichenes) Di Kecamatan Percut Sei Tuan Pada Desa Bandar Setia, Sampali Dan Tembung Syarifah Widya Ulfa; Rifqi Khoir Afdan; Mutiara Nabilla; Putri Rizq Achyari; Nayla Nayla
Jurnal Ilmiah Wahana Pendidikan Vol 9 No 18 (2023): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.8327986

Abstract

Tujuan penelitian ini adalah untuk mengetahui jenis-jenis lichens yang ada di beberapa desa di kecamatan Percut Sei Tuan yaitu desa Bandar Setia, Sampali dan Tembung. Penelitian ini dilakukan pada tanggal 23 Maret 2023 di desa Bandar Setia, Sampali dan Tembung Kecamatan Percut Sei Tuan. Metode penelitian yang digunakan pada penelitian ini adalah metode penelitian kualitatif dimana pada penelitian ini diharuskan mencari, mengidentifikasi, serta mendeskripsikan dari data-data yang didapatkan pada saat penelitian terlaksana. Metode yang digunakan pada penelitian lichens ini menggunakan metode survey eksploratif (jelajah) yakni melakukan pengamatan secara langsung di tempat lokasi penelitian dengan cara menjelajahi kawasan yang hendak diteliti dengan mencari dan menyelusuri kawasan Kecamatan Percut Sei Tuan pada Desa Bandar Setia, Sampali dan Tembung. Dengan demikian dapat ditemukan beberapa jenis lichens yang ada pada desa-desa tersebut.
Development of a Team Games Tournament (TGT)-Based Snakes and Ladders Learning Media to Enhance Problem-Solving Skills on the Respiratory System Topic for Grade XI Students Mutiara Nabilla; Rahmadina
Bioscientist : Jurnal Ilmiah Biologi Vol. 14 No. 3 (2026): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v14i3.20094

Abstract

This study aimed to develop a snakes and ladders instructional media based on the Team Games Tournament (TGT) cooperative learning model for the respiratory system topic in Grade XI and to evaluate its validity, practicality, and effectiveness in improving students’ problem-solving abilities. The study employed a Research and Development (R&D) method using the ADDIE model, consisting of five stages: analysis, design, development, implementation, and evaluation. The research involved 30 students from Grade XI Science Class 1. Data were collected through needs analysis, expert validation sheets, teacher and student response questionnaires, and pretest–posttest assessments. The collected data were analyzed using percentage scores and N-gain analysis. The validation results showed that the instructional media obtained scores of 88% from the media expert and 87% from the subject matter expert, indicating a highly valid category. The practicality assessment revealed scores of 93% from teachers and 94% from students, categorized as highly practical. Furthermore, the effectiveness analysis showed an N-gain value of 0.70 with an improvement percentage of 70.40%, indicating a high level of effectiveness. These findings demonstrate that the TGT-based snakes and ladders instructional media is a valid, practical, and effective learning tool for supporting biology instruction. The developed media provides an interactive and collaborative learning experience and has the potential to enhance students’ problem-solving abilities in the respiratory system topic.
Co-Authors Nayla Nayla Putri Rizq Achyari Rahmadina Rifqi Khoir Afdan Syarifah Widya Ulfa