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All Journal Jurnal Sain Veteriner TABULARASA Jurnal Ilmu Ternak Veteriner WARTAZOA Indonesian Bulletin of Animal and Veterinary Sciences Jurnal Pendidikan Kimia Universitas Riau Jurnal Zarah Jurnal Ilmu Pendidikan Indonesia Indonesian Journal of Advanced Research (IJAR)
Simson Tarigan
Prodi Magister Pendidikan Kimia, Pascasarjana Universitas Negeri Medan
Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Languange, Linguistic, Communication & Media Mathematics Physics Veterinary Other

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Effect Of The Use Of Teaching Model Induces Changes In Concepts Simson Tarigan On Chemistry Student Learning Outcomes In Senior High School Class X Silitonga, Friska Septiani; Tarigan, Simson
Jurnal Zarah Vol 3 No 1 (2015): Jurnal Zarah
Publisher : Program Studi Pendidikan Kimia, Fakultas Keguruan dan Ilmu Pendidikan Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (194.622 KB)

Abstract

A study of the use of teaching models induces changes in concepts Simson Tarigan on chemistry student learning outcomes has been conducted to determine student learning outcomes of students taught using teaching models induced changes in concepts Simson Tarigan. The population in this study were all students of class X SMA Negeri 3 Medan 2011/2012 academic year consists of six classes, sampling technique was randomly. The sample consisted of two classes where the class X.5 as grade control using conventional learning models and X.6 class as a class experiment using the model of teaching induces changes in concept Samson Tarigan. Each class sample was of 40 people. Instruments used as a data collection tool that tests of learning outcomes in the form of 20 multiple choice questions (validated) with the answer choices as much as five choices (A, B, C, D, and E). Data were analyzed using the computer Excel programme, includes a description of the data, normality, homogenity, and hypothesis testing. The analysis of the data obtained by the average value of the initial test scores (pre-test) experimental class students obtained at 35.75 with a standard deviation of 8.589 and the average post-test scores obtained at 82 with a standard deviation of 6.28, while in the control class that the average test score initial (pre-test) students at 37.125 with a standard deviation of 10.675 and the average post test score obtained at 75.625 with a standard deviation of 5.087. Based on hypothesis testing was done by using the t-test (testing the right side) with α= 0.05 was obtained t (4.988) > t table (1.6671), in other words the learning outcomes was in the category of high learning outcomes (G=72%) and the control class that learning outcomes in the middle category (G=61.2%). This show that was outside the reception Ho, then based on these tests showed that Ho was rejected and means Ha accepted, so it could be stated that the results of studying chemistry students who are taught by the teaching models induces changes in concept Simson Tarigan higher learning outcomes chemistry students chemistry student takut taught higher than learning outcomes chemistry of students taught by conventional methods.
Effect Of The Use Of Teaching Model Induces Changes In Concepts Simson Tarigan On Chemistry Student Learning Outcomes In Senior High School Class X Silitonga, Friska Septiani; Tarigan, Simson
Jurnal Zarah Vol 3 No 1 (2015): Jurnal Zarah
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (194.622 KB) | DOI: 10.31629/zarah.v3i1.29

Abstract

A study of the use of teaching models induces changes in concepts Simson Tarigan on chemistry student learning outcomes has been conducted to determine student learning outcomes of students taught using teaching models induced changes in concepts Simson Tarigan. The population in this study were all students of class X SMA Negeri 3 Medan 2011/2012 academic year consists of six classes, sampling technique was randomly. The sample consisted of two classes where the class X.5 as grade control using conventional learning models and X.6 class as a class experiment using the model of teaching induces changes in concept Samson Tarigan. Each class sample was of 40 people. Instruments used as a data collection tool that tests of learning outcomes in the form of 20 multiple choice questions (validated) with the answer choices as much as five choices (A, B, C, D, and E). Data were analyzed using the computer Excel programme, includes a description of the data, normality, homogenity, and hypothesis testing. The analysis of the data obtained by the average value of the initial test scores (pre-test) experimental class students obtained at 35.75 with a standard deviation of 8.589 and the average post-test scores obtained at 82 with a standard deviation of 6.28, while in the control class that the average test score initial (pre-test) students at 37.125 with a standard deviation of 10.675 and the average post test score obtained at 75.625 with a standard deviation of 5.087. Based on hypothesis testing was done by using the t-test (testing the right side) with ?= 0.05 was obtained t (4.988) > t table (1.6671), in other words the learning outcomes was in the category of high learning outcomes (G=72%) and the control class that learning outcomes in the middle category (G=61.2%). This show that was outside the reception Ho, then based on these tests showed that Ho was rejected and means Ha accepted, so it could be stated that the results of studying chemistry students who are taught by the teaching models induces changes in concept Simson Tarigan higher learning outcomes chemistry students chemistry student takut taught higher than learning outcomes chemistry of students taught by conventional methods.
PENGARUH PENERAPAN MODEL PEMBELAJARAN POGIL TERHADAP MINAT DAN HASIL BELAJAR SISWA BERBANTUAN MEDIA VIDEO ANIMASI POWTOON PADA MATERI KESETIMBANGAN KIMIA Manullang, Ribka Sopia; Selly, Rini; Tarigan, Simson; Jasmidi, Jasmidi; Juniar, Anna 
Jurnal Pendidikan Kimia Universitas Riau Vol 9, No 2 (2024)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan (FKIP), Universitas Riau (UNRI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33578/jpk-unri.v9i2.7968

Abstract

Ilmu kimia merupakan salah satu ilmu yang sulit dipahami siswa salah satu materi nya adalah kesetimbangan kimia. Kegiatan pembelajaran yang bersifat berpusat kepada guru sehingga siswa kurang aktif mengikuti pembelajaran. Kegiatan tersebut mengakitbatkan kurangnya minat belajar siswa hal tersebut ditandai dengan kurang aktifnya siswa dalam proses pembelajaran sehingga keadaan tersebut berpengaruh terhadap hasil belajar siswa. Penelitian ini menggunakan dua sampel kelas yang dipilih dengan menggunakan Teknik purposive sampling dengan masing – masing kelas terdiri dari 32 siswa. Desain penelitian yang digunakan adalah pretest dan postest yang melibatkan kelas eksperimen dan kontrol. Instrumen test yang digunakan pada penelitian ini adalah 20 soal pilihan berganda dan instrument non tes berupa angket minat belajar sebanyak 20 pernyataan. Untuk uji hipotesis digunakan uji t pihak kanan dan uji korelasi product moment. Dari hasil penelitian diperoleh nilai pada hipotesis 1 yaitu thitung > ttabel dimana harga thitung sebesar 11,02 dan ttabel 2,04 dan pada hipotesis ke II thitung sebesar 13,33 dan ttabel sebesar 2,04 hal ini menunjukkan bahwa adanya pengaruh model pembelajaran POGIL terhadap minat dan hasil belajar siswa berbantuan media video animasi powtoon pada mteri kesetimbangan kimia, sedangkan untuk uji hipotesis III diperoleh nilai thitung > ttabel dengan harga 0,63 > 0,34 sehingga hal ini menunjukkan bahwa minat belajar siswa dengan hasil belajar siswa memiliki korelasi dengan kategori yang tinggi.
THE INFLUENCE OF PROBLEM-BASED LEARNING AND DISCOVERY LEARNING MODELS ON STUDENT LEARNING OUTCOMES IN CLASS XI HIGH SCHOOL REACTION RATE MATERIAL sianturi, ranti evi sondang; Tarigan, Simson
Jurnal Ilmu Pendidikan Indonesia Vol 12 No 2 (2024): JURNAL ILMU PENDIDIKAN INDONESIA
Publisher : Master of Science Education Program, Postgraduate Program of Cenderawasih University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31957/jipi.v12i2.3596

Abstract

This study aims to determine the influence and differences of Problem Based Learning and Discovery Learning learning models on student learning outcomes on reaction rate material. This research was conducted at SMA Negeri 1 Kualuh Hulu in the 2022/2023 school year. This type of research is quasi-experimental with pretest-postest control group design. The population in this study was all grade XI students of SMA Negeri 1 Kualuh Hulu. The sample in this study is class XI 1 as experimental class I which is taught using a problem-based learning model and class XI 6 as an experimental class II which is taught using a discovery learning learning model. Sampling in this study using purposive sampling. The instrument in this study is an objective test in the form of multiple choice as many as 20 questions that have been tested by validators and have been tested for validity, level of difficulty, differentiation, reliability. The results showed that there was an influence of the problem-based learning model on learning outcomes, namely the pretest value of 44.5 and the postest value of 88.83 and the influence of the discovery learning model, namely nailai pretest 41.83 and postets value of 82.83 and there were differences in the learning outcomes of experimental class I and experimental class II, namely with a count of 3.4843 > table 2.002
The Influence of Problem Based Learning and Discovery Learning Models on Student Learning Outcomes on Chemical Bonding Material Sinaga, Tawarina Dameria; Tarigan, Simson
Indonesian Journal of Advanced Research Vol. 3 No. 4 (2024): April 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijar.v3i4.8972

Abstract

The aim of this research is to find out how the Problem Based Learning and Discovery Learning learning models differ on student learning outcomes on chemical bonding material.. From the results obtained, namely tcount>t table (5.63<1.66). From the results of the average posttest score compared with the average KKM score for chemistry subjects, there is a significant influence of the Problem Based Learning learning model on student learning outcomes in chemical bonding material, namely (87.5 > 75), and there is also a significant influence Discovery Learning learning model on student learning outcomes in chemical bonding material, namely (81.29>75). And based on the posttest scores, namely (87.5> 81.29), the learning outcomes of students in the Problem Based Learning learning model on chemical bonding material were higher than the learning outcomes of Discovery Learning on chemical bonding material.
Development of In-House ELISA using recombinant LipL32 for Detection of Human Leptospirosis in Indonesia Sumarningsih, Sumarningsih; Sekarmila, Gita; Mulyadi, Andi; Ahpas, Ahpas; Tarigan, Simson
Jurnal Sain Veteriner Vol 42, No 1 (2024): April
Publisher : Faculty of Veterinary Medicine, Universitas Gadjah Mada bekerjasama dengan PB PDHI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jsv.90085

Abstract

Early laboratory confirmation is important for the accurate diagnosis and treatment of patient infected by leptospirosis. However, Microscopic agglutination test (MAT) as the gold standard for detection of human leptospirosis has many limitation and only available in reference laboratories. Therefore, many studies suggested LipL32 protein as a good candidate for development of leptospirosis detection kit because it is highly conserved and produced only in pathogenic Leptospira species. In this study, we aim to investigate the performance of our in-house ELISA using recombinant LipL32 to detect leptospirosis in Indonesia. Fourteen human sera were used in this study and the infection status were determine using MAT. The result showed that nine of eleven MAT positive sera were successfully recognized by LipL32 ELISA. The antibody binding to LipL32 was also confirm by immunoblot. There was one of three MAT negative sera has high OD above 0.5 in ELISA, but it showed negative reaction in immunoblot result. Overall, this study demonstrated that recombinant LipL32 protein can recognized antibody from human leptospirosis and can be used as a universal antigen to detect infection by any serovars of pathogenic leptospira.
Co-Authors . . Sumarningsih, . . Ahpas, Ahpas Andi Mulyadi D Hewajuli Darminto . Friska Septiani Silitonga Hisar Marulitua Manurung J. Ignjatovic, J. Jagoda Ignjatovic Jasmidi Jasmidi Juniar, Anna  Lily Natalia manihar Situmorang, manihar Manullang, Ribka Sopia R Indriani Rahmat S Adji Rini Selly, Rini RISA INDRIANI Risa Indryani sekarmila, Gita sianturi, ranti evi sondang Sinaga, Tawarina Dameria Sumarningsih . . Sumarningsih, Sumarningsih