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Dewi , Shinta
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Efektivitas Model Pembelajaran Problem-Based Learning dalam Meningkatkan Hasil Belajar IPA dan Motivasi Siswa Dewi , Shinta; Munali; Haratua, Chandra Sagul; Siti Alifah
Journal of Practice Learning and Educational Development Vol. 5 No. 3 (2025): Journal of Practice Learning and Educational Development (JPLED)
Publisher : Global Action and Education for Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58737/jpled.v5i3.737

Abstract

The objectives of this study are: (1) to describe the motivation of students at SMPN IV Subang in terms of the problem-based learning model, (2) to determine the effect of the problem-based learning model on the science learning outcomes of students at SMPN IV Subang. This study is a descriptive and quantitative experimental study. The subjects in this study were eighth-grade students at SMPN 4 Subang. The data collection techniques used were science achievement tests and learning motivation questionnaires. The data analysis techniques used were descriptive statistical analysis of percentages for student learning motivation data, while to examine the effect of the problem-based learning model on the science achievement of students at SMPN IV Subang, an independent two-sample t-test was used. The results of this study indicate that most students fall into the very high motivation category (38.5%), while the group of students given the conventional learning model mostly fall into the moderate motivation category (46.2%). For the hypothesis test on the effect of the problem-based learning model, the sig score was 0.000 < 0.05, so Ho was rejected and H1 was accepted, concluding that there was a difference in science learning outcomes between the group of students taught using the problem-based learning model and the group of students taught using the conventional learning model.
Development of Simple Organ Pipe Learning Media with The Help of Sound Generator Software Izza, Nur Imania; Sholihah , Bidadari; Nur Hanifah , Amelia; Raihanida Hakim , Marsa; Dewi , Shinta; Suryadi , Ahmad; Hernawati Husumah , Fuji
Jurnal Multidisiplin Indonesia Vol. 1 No. 4 (2023): Desember: Jurnal Multidisiplin Indonesia
Publisher : PT. ALHAFI BERKAH INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62007/joumi.v1i4.184

Abstract

This research is motivated by the process of making a simple resonant pipe tool in organa pipe practicum. The purpose of writing this research is to analyze the effect of frequency on the speed of propagation of sound using paralon and prove the experiment on the speed of propagation of sound. This research is done by experiment, where the pipe is inserted in a container in the form of a bucket filled with water, and the audio generator application is placed on the pipe until it produces the biggest sound with a certain tone which is done by raising the position of the pipe. The results of this study are organa pipe practicum using simple tools carried out by trials and obtained data on the speed of propagation generated at frequencies of 1400 Hz, 2000 Hz and 2600 Hz sequentially by 350 m/s, 360 m/s and 364 m/s. The research gives the result that f ~ v and the results show that the sound propagation speed data is close to 340 m/s. So it can be concluded that the frequency with the speed of propagation of sound is directly proportional through a simple organa pipe experiment, and the resulting propagation speed of both frequencies of 1400 Hz, 2000 Hz, and 2600 Hz around the original propagation speed of 340 m/s. Therefore, this organa pipe props can be called accurate and can be easier to use for students.
Co-Authors Haratua, Chandra Sagul Hernawati Husumah , Fuji Izza, Nur Imania Munali Nur Hanifah , Amelia Raihanida Hakim , Marsa Sholihah , Bidadari Siti Alifah Suryadi , Ahmad