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All Journal JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Pendidikan Kimia (JPKim) AMALIAH: JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Sains Riset Jurnal Abdi Insani Jurnal Inovasi Pembelajaran Kimia (Journal Of Innovation in Chemistry Education) Indonesian Journal of Chemical Science and Technology Jurnal Pengabdian Kepada Masyarakat (JPKM) Tabikpun EDUCENTER JURNAL PENDIDIKAN
Jasmidi Jasmidi
Jurusan Kimia, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Negeri Medan
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Social Sciences

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Perbandingan hasil belajar dan aktivitas siswa dengan menggunakan model pembelajaran Think Talk Write (TTW) dan Numbered Head Together (NHT) pada materi hukum dasar kimia dan perhitungan kimia Yayang Fabella; Jasmidi
Educenter : Jurnal Ilmiah Pendidikan Vol. 1 No. 10 (2022): Educenter : Jurnal Ilmiah Pendidikan
Publisher : ARKA INSTITUTE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55904/educenter.v1i10.101

Abstract

This study aims to the learning outcomes learning activities and a significant correlation beetweenlearning outcomes and student activities thar were taught with the TTW mode assisted and NHT on chemical of basic laws and chemical calculations matter at SMA Negeri 2 Tanjung Morawa. From the result of data analysis obtained for learning outcomes students who are taught with TTW model are higher than NHT . So hypothesis testing is carried out using one sample t test at a significant level of 5 % showing that in learning outcomes tcount more than ttable ttabel. Whereas learning activities that were taught in TTW model are higher than the learning activities NHT. For hypothesis testing showing than in learning activities tcount more than ttable. So there is significant correlation between learning outcomes and student activities taught with TTW model. The results of correlation the two variables are included in the high category.
Pengaruh pendekatan saintifik dengan media Powerpoint terhadap hasil belajar siswa pada materi ikatan kimia Oryza Sativa; Jasmidi
Educenter : Jurnal Ilmiah Pendidikan Vol. 1 No. 12 (2022): Educenter : Jurnal Ilmiah Pendidikan
Publisher : ARKA INSTITUTE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55904/educenter.v1i12.175

Abstract

This study aims to: (1) To determine whether the increase in student learning outcomes taught with a scientific approach with PowerPoint media is higher than the increase in student learning outcomes taught with conventional models (2) To determine student responses to the application of a scientific approach with PowerPoint media on the subject of chemical bonds. The population of this study were all students of class X MIA SMA Swasta Amir Hamzah Medan, as many as 40 students. The sample in this study was taken using total sampling technique. The samples taken in this study were 2 classes, namely class X MIA-1 as the experimental class and X MIA-2 as the control class. Both classes were given different treatments, the experimental class with a scientific approach and PowerPoint media , while the control class was taught with a conventional model. From the posttest results, the average value of student learning outcomes in the experimental class was 88.75 and the control class was 81.50. From the N-gain results, the percentage increase in learning outcomes of the experimental class was 84.9 percent and the control class was 76.2 percent. Based on the N-gain calculation value, the increase in learning outcomes taught with a scientific approach and PowerPoint media is higher than the increase in student learning outcomes taught with conventional models. Student response to the scientific approach and PowerPoint media on chemical bonding material has a percentage of 80.25 percent and is categorized as good.
Co-Authors Ajat Sudrajat Bambang Suseno Catur Kurniawan Dirga Purnama Fathia Namira Freddy Tua Musa Panggabean Hafni Indriati Nasution Hamidatun Nisa Haqqi Annazili Nasution Jamalum Purba Junifa Layla Sihombing Kana Saputra S Khairunnisa Khairunnisa Lailatul Fadhilah Makharany Dalimunthe Melly Sintia Mhd. Fadhillah Moondra Zubir Moondra Zubir Nadya Ulfa Oryza Sativa Pasar Maulim Silitonga Puji Prastowo Putri Faradilla Rica Ariani Purba Rini Selly Rini Selly Sahrul Ramadhan Sari, Dwy Puspita Seget Tartiyoso Siti Rahmah Siti Rahmah Sri Adelia Sari Sri Adelila Sari* Susilawati Amdayani Tita Juwitaningsih Yayang Fabella Yopita Sari Sihombing Zainuddin Muchtar