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All Journal AUSTENIT Jurnal Pendidikan Biologi
Hidayat, M Rizky
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Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Control & Systems Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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PENERAPAN MODEL KOOPERATIF TIPE THINK PAIR SHARE UNTUK MENINGKATKAN KEMAMPUAN BERFIKIR KRITIS SISWA KELAS XI MAN 3 CIREBON Jaelani, Aji; Yusnandar, Dede; Roviati, Evi; Hidayat, M Rizky
Jurnal Pendidikan Biologi Vol 13, No 2 (2022)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um052v13i2p131-136

Abstract

Abstrak. Penelitian ini bertujuan  untuk mendeskripsiksn pengaruh model pembelajaran Think Pair Share terhadap kemampuan berpikir kritis peserta didik. Penelitian ini merupakan penelitian quasi experiment (eksperimen semu) dengan rancangan Posttest Only Control Group Design. Populasi dalam penelitian ini adalah seluruh siswa kelas XI MIPA 1 & 2 MAN 3 CIREBON, dengan MIPA 1 Sebagai Kelas eksperimen dengan jumlah siswa 33 orang yang mendapat perlakuan dengan model pembelajaran think pair share, sedangkan kelas MIPA 2 kelompok kontrol dengan jumlah siswa 33 orang yang mendapat perlakuan model pembelajaran konvensional penelitian terdiri dari variabel bebas, variabel terikat, dan variabel moderator. Dari hasil perhitungan diperoleh kesimpulan bahwa skor kemampuan berpikir kritis mahasiswa dengan menerapkan model pembelajaran Think Pair Share pada Mata pelajaran klasifikasi makhluk hidup yaitu pada kelas MIPA 1 memiliki nilai rata-rata 75,00 dan kelas MIPA 2 memiliki nilai rata-rata 64,18. Model pembelajaran Think Pair Share ini efektif untuk diterapkan dalam pembelajaran biologi dibandingkan dengan metode-metode konvensional seperti ceramah karena didalam model pembelajaran ini siswa dituntut untuk aktif dalam pembelajaran.Abstract. This study aims to describe the effect of the Think Pair Share learning model on students' critical thinking skills. This research is quasi-experimental research with Posttest Only Control Group Design. The population in this study were all students of class XI MIPA 1 & 2 MAN 3 CIREBON, with MIPA 1 as the experimental class with 33 students receiving treatment with the think pair share learning model, while the MIPA class 2 control group with 33 students received treatment with conventional learning research models consisting of independent variables, dependent variables, and moderator variables. From the calculation results, it can be concluded that the score of students' critical thinking skills by applying the Think Pair Share learning model about classification of living things, namely the MIPA 1 class has an average value of 75.00 and the MIPA 2 class has an average value of 64.18. Think Pair Share learning model is effective to be applied in biology learning compared to conventional methods such as lectures because in this learning model students are required to be active in learning.
THE EFFECT OF DIFFERENT STRUCTURE AND GRADIENT INFILL ON MECHANICAL BEHAVIOR POLYLACTIDE ACID MATERIALS (PLA) Akbar, Imam; Hidayat, M Rizky; Rawani, Dewi; Veranika, Rita Maria; Al-Faritzie, Hariman; Romli, Romli
AUSTENIT Vol. 15 No. 1 (2023): AUSTENIT: April 2023
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v15i1.6631

Abstract

The purpose of this study is to analyze the effect of our gradient infill on the mechanical behavior of polylactide acid (PLA) materials resulting from 3d printing, which has an impact on the efficiency of material use while still providing good mechanical support. In this study, the specimens were designed using nTopology software and there were 4 variations of the structure, namely square, honeycomb, diamond, and gyroid, each of which was made gradient and non-gradient, then a bending test was carried out to determine its mechanical behavior thats PLA materials. The results of this study indicate that a comparison between specimens with gradient and non-gradient models with 50% porosity can increase the deflection of the specimen, namely square 15.7-19.1 mm, honeycomb 16.3-20.6 mm, Diamond 19.7-21.8 mm, and gyroid 20.3-22.1 mm, with an average deflection of 2.04 mm. In addition, there is a linear correlation of the relationship between thickness to deflection and flexural modulus whereas the thickness value increases, the deflection and flexural modulus will increase. The conclusion of this research is that giving a gradient to the structure can improve mechanical behavior, especially deflection.
Co-Authors Al-Faritzie, Hariman Dewi Rawani Evi Roviati Imam Akbar, Imam Jaelani, Aji Rita Maria Veranika, Rita Maria Romli Romli, Romli Yusnandar, Dede