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All Journal Variabel International Journal of Multi Discipline Science (IJ-MDS)
I Kusumawati
STKIP Singkawang, Singkawang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Education Health Professions Mathematics Physics Social Sciences

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Penerapan Model Pembelajaran Problem Solving Berbasis Demonstrasi terhadap Peningkatan Hasil Belajar Siswa pada Materi Suhu dan Pengukurannya I’ip Andella; I Kusumawati; Eka Murdani
Variabel Vol 2, No 2 (2019): OCTOBER 2019
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (411.296 KB) | DOI: 10.26737/var.v2i2.1817

Abstract

Penelitian ini bertujuan untuk mengetahui hasil belajar siswa setelah diterapkan model pembelajaran problem solving berbasis demonstrasi pada materi suhu dan pengukurannya. Penelitian ini diadakan di kelas VII SMP Torsina Singkawang. Jenis penelitian ini adalah penelitian kuantitatif dengan bentuk pre experimental design dengan rancangan one group pre-test post-test design. Langkah awal penelitian, siswa diberi pre-test dilanjutkan dengan treatment berupa model pembelajaran problem solving dengan jangka waktu tertentu, langkah akhir diberikan post-test dan lembar respon siswa. Ditemukan bahwa hasil post test lebih tinggi dari hasil pre test yaitu hasil rata-rata 38,69 menjadi 72,60. Peningkatan hasil belajar siswa dihitung dengan menggunakan rumus N-gain dengan hasil nilai sebesar 0,55. Analisis data tersebut menunjukan terjadi peningkatan hasil belajar setelah diberikan perlakuan dengan model pembelajaran problem solving berbasis demonstrasi pada materi suhu dan pengukurannya.
Frufous System: A Simple Water Purifier with Hydro Filter Tool I Kusumawati; Juhari Juhari; Suryati Suryati
International Journal of Multi Discipline Science Vol 4, No 1 (2021): Volume 4 Number 1 February 2021
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/ij-mds.v4i1.2388

Abstract

Water pollution is a change condition in a water reservoir such as lakes, rivers, oceans, and groundwater due to human activities. This pollution causes many aquatic organisms to die and causes various diseases. Based on these problems, a solution is needed to deal with water pollution. The solution was given in the manufacture of a simple water purifier that can be used at home, namely the Frufous water purifier system. The method used in this research was research and development (R & D) with a level of difficulty at level 1, namely researching without testing the product. The product was researched and developed as an alternative water filter by applying the Frufous system (From Us For Us). Validation of this product was carried out internally in a Focus Group Discussion (FGD). The product had been repaired according to the judgment and suggestions of expert and practitioner opinions. The product design had been declared internally tested. The results of this research and product development showed products that are original, functional, complex, and authentic. The Frufous water purifier system was complex so that it could filter dirty water into clean and clear water, compared to being untreated/filtered. This research was expected to be used as an inspiration for research ideas to be applied at an advanced level of difficulty, which can be tested externally and applied en masse.
The Effect of the Application of the Nature of Science (NOS) Learning Model on Student Learning Outcomes Nursalam Matondang; I Kusumawati; Eka Murdani
International Journal of Multi Discipline Science Vol 3, No 1 (2020): Volume 3 Number 1 February 2020
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/ij-mds.v3i1.2394

Abstract

This study aimed to show the effect of implementing the Nature of Science (NOS) learning model on student learning outcomes. This type of research was a quantitative study with a sampling technique that is purposive sampling and a research design in the form of an experimental class and a control class. Based on statistical analysis using the SPSS application, it was identified that the data presented is normally distributed so that the data analysis in the next step used the parametric statistical T-test where it was found that sig 0.000 is smaller than 0.05, so H0 is rejected and Ha is accepted, which means that there was a significant effect on the learning outcomes of the experimental class students before and after the NOS learning model was applied to the Static Fluid material. The data collection instrument in this study was in the form of pre-test and post-test question sheets. After the data were analyzed using the effect size equation and it was found that the NOS learning model in the experimental class and control class had a difference of 1.681 with high criteria.
Co-Authors Eka Murdani I’ip Andella Juhari Juhari Nursalam Matondang Suryati Suryati