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All Journal JURNAL PENDIDIKAN TAMBUSAI Journal of Educational Sciences
Afdareza, Melva Yola
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Development of Learning Device Based on 21st Century Skill with Implementation of Problem Based Learning to Increase Critical Thinking Skill of Students on Polyhedron for Grade 8th Junior High School Afdareza, Melva Yola; Yuanita, Putri; Maimunah, Maimunah
Journal of Educational Sciences Vol 4. No. 2. April 2020
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.4.2.p.273-284

Abstract

This research aims is to produce a learning device based on 21st century skills with the implementation of problem-based learning to increase the critical thinking skill of students on polyhedron for grade 8th junior high school. The type of this research is development research using Plomp’s model, there are (1) preliminary research phase; (2) the prototype phase; and (3) assessment phase. The results of this research are a learning device based on 21st century skill with the implementation of problem-based learning to increase the critical thinking skill of students on polyhedron for grade 8th junior high school. The results of the syllabus, RPP, LKPD validation and critical thinking skills show valid and very valid criteria with values ​​of 3.19; 3.32; 3.26; and 3.13. In the final product test phase, learning devices were used through pre-experimental research to see the increase in critical thinking skills and there was an increase in the critical thinking skill of students using learning devices. This means that the learning device based on 21st century skill with the implementation of problem-based learning to increase the critical thinking skill of students on polyhedron for grade 8th junior high school has been valid, practical, and effective.
PERANAN MODEL PEMBELAJARAN BERDASARKAN MASALAH PADA MATERI BANGUN RUANG SISI DATAR KELAS VIII SMP Afdareza, Melva Yola
Jurnal Pendidikan Tambusai Vol. 2 No. 3 (2018): December 2018
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jptam.v2i5.45

Abstract

Penelitian ini bertujuan untuk mengetahui penggunaan model pembelajaran berdasarkan masalah terstruktur dalam materi bangun ruang sisi datar kelas VIII SMP dapat meningkatkan kemampuan penalaran matematis siswa. Penelitian ini merupakan penelitian eksperimental dengan desain penelitian Group Design Comparations Posttest. Instrumen yang digunakan untuk mengumpulkan data penelitian adalah tes deskripsi. Data dianalisis menggunakan uji normalitas, homogenitas, dan t-test (independent sample t-test). Uji-t dilakukan untuk mengetahui perbedaan kemampuan penalaran matematis siswa. Berdasarkan hasil analisis data dapat disimpulkan bahwa ada pengaruh penggunaan model pembelajaran berdasarkan masalah terstruktur terhadap kemampuan penalaran matematis siswa.
Co-Authors Maimunah, Maimunah Putri Yuanita