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Safitri, Ita
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Education Mathematics Social Sciences Other

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Efektivitas Model Problem Based Learning dan Problem Posing terhadap Kemampuan Pemecahan Masalah di Sekolah Dasar Safitri, Ita; Endarini, Endang
Jurnal Basicedu Vol. 4 No. 2 (2020)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/basicedu.v4i2.366

Abstract

Penelitian ini bertujuan untuk mencari perbedaan pengaruh kemampuan siswa dalam memecahkan masalah pada pembelajaran Tematik dengan menggunakan model pembelajaran problem based learning (PBL)  dan model pembelajaran problem posing. Penelitian ini termasuk penelitian quasi eksperimen semu ­­. Uji prasyarat dalam penelitian menunjukkan  hasil kedua kelas eksperimen homogen dan berdistribusi normal. Uji T menggunakan uji T Independent Sample Test menunjukkan thitung yaitu 3,941 > 3,976. Dan signifikan 0,00 < 0,05 yang berarti Ho ditolak dan Ha diterima. Hal ini menunjukkan ada perbedaan efektivitas yang signifikan. Selanjutnya dilakukan uji normalitas yang menunjukkan bahwa model problem based learning lebih efektif dibandingkan dengan model problem posing terhadap kemampuan pemecahan masalah.
Efektivitas Model Problem Based Learning dan Problem Posing terhadap Kemampuan Pemecahan Masalah di Sekolah Dasar Safitri, Ita; Endarini, Endang
Jurnal Basicedu Vol. 4 No. 2 (2020)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/basicedu.v4i2.366

Abstract

Penelitian ini bertujuan untuk mencari perbedaan pengaruh kemampuan siswa dalam memecahkan masalah pada pembelajaran Tematik dengan menggunakan model pembelajaran problem based learning (PBL)  dan model pembelajaran problem posing. Penelitian ini termasuk penelitian quasi eksperimen semu ­­. Uji prasyarat dalam penelitian menunjukkan  hasil kedua kelas eksperimen homogen dan berdistribusi normal. Uji T menggunakan uji T Independent Sample Test menunjukkan thitung yaitu 3,941 > 3,976. Dan signifikan 0,00 < 0,05 yang berarti Ho ditolak dan Ha diterima. Hal ini menunjukkan ada perbedaan efektivitas yang signifikan. Selanjutnya dilakukan uji normalitas yang menunjukkan bahwa model problem based learning lebih efektif dibandingkan dengan model problem posing terhadap kemampuan pemecahan masalah.
Modifikasi Mesin Pemupuk Elektrik Sebagai Pemupuk Padat Dan Cair Pada Tanaman Safitri, Ita; Jamaluddin; Mukhlis, Andi Muhammad Akram
Jurnal Pendidikan Teknologi Pertanian Vol. 9 No. 2 (2023): Agustus
Publisher : Agricultural Technology Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jptp.v9i2.681

Abstract

This study aims to modify the electric fertilizer as a solid and liquid fertilizer that is uneven and uniform and difficult to operate in the fertilization process of plants. This research is descriptive research using the type of Research and Development (R & D) research. The tool testing mechanism is carried out in two stages, namely the solid fertilizer functional test and the liquid fertilizer functional test. Modifications of the electric fertilizing machine have been made on the basis of the design of the planned product drawings. Starting from the design of the drawings, then the manufacture of each component is assembled into a design to be made. The process of making tools consists of 3 stages, namely the manufacture of mechanical components, electrical components, and functional checks. The results showed that the fertilizing machine used could work well according to the wishes of the researcher, the theoretical field capacity produced in the testing process of fertilizing solid fertilizers with a land area of 4.8 m, namely 0.201 ha / hour. The average speed used is 1.4 m/s. The theoretical field capacity produced in fertilizing liquid fertilizer with an area of 4.8 m is 0.029 ha / hour with an average speed used of 1.4 m / s. The effective field capacity produced in the testing of the eletric fertilization machine as a solid fertilizer is 0.016 ha / hour and the effective field capacity produced in the testing of the liquid fertilization machine is 0.029 ha / hour. For effective field efficiency in testing electric fertilizing machines as solid fertilizers 7.96%, and effective field efficiency for liquid fertilizers is 14.42%
Co-Authors Endarini, Endang Jamaluddin Mukhlis, Andi Muhammad Akram