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All Journal Jurnal Pedagogi dan Pembelajaran Journal of Biology Science and Education
Putra, I Komang Adi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Other

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Integrating Scratch-assisted Project-based Learning Worksheets to Enhance Students' Mathematical Problem-Solving Skills and Dispositions Putra, I Komang Adi; Suweken, Gede; Sudiarta, I Gusti Putu
Jurnal Pedagogi dan Pembelajaran Vol. 7 No. 3 (2024): October
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jp2.v7i3.83540

Abstract

The low level of student engagement in mathematics learning is attributed to the current generation of students being digital natives. While mathematics instruction still relies on 20th-century approaches or teacher-centered learning methods. This study aims to develop a Student Worksheet oriented toward a Project-Based Learning (PjBL) model supported by Scratch for teaching the Pythagorean Theorem, designed to enhance students’ problem-solving abilities and mathematical dispositions. The research adopts a design-based research methodology following the Plomp model, which includes three main phases: preliminary research, prototyping, and assessment. The subjects of this study consisted of one lecturer, two teachers, and eighth-grade junior high school students. Research instruments included a validity sheet to assess the Student Worksheet’s validity, a practicality sheet to evaluate its practicality, essay tests, observation sheets, and a mathematical disposition questionnaire to measure the Student Worksheet’s effectiveness. Data were analyzed using descriptive quantitative analysis. The findings indicate that the developed Student Worksheet meets the criteria of being highly valid, as assessed by experts, highly practical based on classroom trials, and moderately effective in improving students’ problem-solving skills and mathematical dispositions. These results demonstrate that integrating the Project-Based Learning model supported by Scratch offers an innovative instructional approach aligned with the characteristics of digital native learners, while also contributing to the advancement of interactive and student-centered mathematics education.  
Pengaruh Kondisi Fisik dan Kimia Perairan Terhadap Kelimpahan Ikan di Sungai Lambagu serta Pemanfaatannya sebagai Media Pembelajaran Putra, I Komang Adi; Ramadhan, Achmad; Masrianih
Journal of Biology Science and Education Vol. 6 No. 2 (2018): Desember
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/jbse.v6i2.1055

Abstract

Ikan merupakan salah satu organisme yang hidup di perairan yang rentan terhadap perubahan lingkungan. Perubahan lingkungan baik faktor fisik maupun kimia yang terjadi dalam suatu perairan akan memberikan respon perubahan terhadap kelimpahan jenis ikan yang ada didalamnya. Penelitian ini bertujuan untuk menentukan pengaruh faktor fisik dan kimia terhadap kelimpahan ikan di sungai lambagu serta membuat media pembelajaran dalam bentuk poster. Penelitian ini adalah penelitian deskriptif kuantitatif dengan teknik pengambilan data menggunakan Purposive sampling. Perhitungan kelimpahan menggunakan rumus kelimpahan. Analisis yang digunakan untuk mengetahui pengaruh faktor fisik dan kimia lingkungan yaitu PCA (Principal Componen Analysis). Hasil Chi – square (Critical value) diperoleh nilai pengaruh kelimpahan senilai 18.307. Jenis ikan yang ditemukan sebanyak 6 jenis yang terdiri dari 4 Ordo, 6 Famili, dan 6 genus. Berdasarkan hasil analisis PCA (Principal Componen Analysis) diperoleh bahwa DO memiliki pengaruh positif dengan nilai korelasi sebesar 0.910 sementara Suhu, pH dan Kecepatan arus berpengaruh negatih dengan nilai korelasi sebesar -0.564, -1.0 dan -0.877. Dimana angka signifikan yang digunakan ialah (0,05). Berdasarkan hasil uji validasi oleh tiga tim ahli diperoleh hasil validasi bahwa ahli isi sebesar 82,3% (Sangat Layak), ahli desain sebesar 76,3% (Layak) dan ahli media sebesar 84% (Sangat Layak) serta uji kelayakan dari 30 mahasiswa sebesar 79% (Layak) digunakan sebagai media pembelajaran poster.
Co-Authors Achmad Ramadhan Gede Suweken Masrianih