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Simson Tarigan
Universitas Negeri Medan, Medan 20221, Indonesia
Biochemistry, Genetics & Molecular Biology Chemistry Education Environmental Science

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The implementation of teaching model to induce simson tarigan's concept change (m3pk) to improve student chemistry learning outcomes in the subject of reaction equation class x man binjai Dwy Puspita Sari; Marini Damanik; Simson Tarigan
Jurnal Pendidikan Kimia (JPKim) Vol 10, No 3 (2018): December
Publisher : Pascasarjana Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (337.539 KB) | DOI: 10.24114/jpkim.v10i3.12719

Abstract

This study aims to determine the improvement of students' chemistry learning outcomes by applying M3PK. The population were all students of class X MIA. The sample consisted of two classes, namely class X MIA 2 and X MIA 3 which were taken by random sampling. The first class is used as an experimental class which is taught using the Teaching Model to Induce Change of Concepts, and the second class as a control class which was learnt by using the Direct Instruction. As a prerequisite for testing the hypothesis, the study data of the two sample groups were tested for normality and homogeneity and the data achieved from both sample groups were normal and homogeneous. In testing, the hypothesis obtained the price of tcount> ttable (4.619> 1.670). It shows that the alternative hypothesis (Ha) is accepted and the null hypothesis (Ho) is rejected, which means that the increase in learning outcomes of chemistry students who are learnt by using M3PK is higher than the learning outcomes of chemistry students who are educated using the Direct Instruction. The percentage increased in students' learning outcomes of chemistry learnt by using M3PK was 74.5% while those taught using the Model Direct Instructionwere 64.8%.Keywords:equation reactions; m3pk; learning outcomes
Preparing of chemical bonding learning media based android using smart apps creator program Ramlan Silaban; Osi Annauli Br Girsang; Roselva Theresia Manalu; Marham Sitorus; Simson Tarigan; Irving Josafat Alexander
Jurnal Pendidikan Kimia (JPKIM) Vol 15, No 3 (2023): December
Publisher : Pascasarjana Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jpkim.v15i3.51492

Abstract

The aim of this research is to obtain Android-based chemical bond learning media using the smart apps creator program that is feasible and eligible to use. To achieve the goal, development research has been carried out which refers to the 4 D model with the stages define, design, develop and disseminate. The research was conducted at SMA Negeri 5 Medan involving teachers and students of class X MIA. The research instruments used are non-test instruments including needs analysis instruments, feasibility test instruments and student response instruments. The research results are: (1). An Android-based chemical bond learning media has been obtained using a smart apps creator program with features main view, main menu, learning material, evaluation, summary and references. (2). The Android-based chemical bond learning media obtained was deemed suitable for use in learning with a feasibility level of 85.0% with very worthy category. (3). The students give good eligibility responded (82.6%) for the Android-based chemical bond learning media obtained with meets the requirements for use as learning media.Keywords: Android based; Chemical bonding; Learning media; Smart apps creator program
Co-Authors Dwy Puspita Sari Irving Josafat Alexander Marham Sitorus Marini Damanik Osi Annauli Br Girsang Ramlan Silaban Roselva Theresia Manalu