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All Journal Fullerene Journal of Chemistry Oxygenius Journal Of Chemistry Education
Joice Dorsila Susana Caroles
Universitas Negeri Manado
Chemistry Education

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Journal : Oxygenius Journal Of Chemistry Education

 1 
Penerapan Model Pembelajaran Problem Based Learning (Pbl) Pada Materi Asam Basa Siswa Kelas Xi Ipa Di Sma Negeri 1 Tenga Oktaviani Rampi; Emma Pongoh; Joice Caroles
Oxygenius Journal Of Chemistry Education Vol 3 No 2 (2021): Oxygenius: Journal of Chemistry Education
Publisher : Chemistry Department, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/ojce.v3i2.304

Abstract

This research aims to determine the application of problem based learning (PBL) learning models on acid-base material for class XI science at SMA Negeri 1 Tenga. This research was conducted in class XI SMA Negeri 1 Tenga with a sample of 25 people. The research design used was the post-test-only control group design experimental method. The experimental class uses a problem based learning (PBL) model and the control class uses conventional learning. Analysis of hypothesis testing using t-test with a significant level of = 0.05 and success (dk) = 48. The test results obtained show that the results of tcount > ttable or 3.62 > 2.010, thus H0 is rejected and Ha is accepted, and the average the average student learning outcomes of the experimental class were 81.92, which was greater than the learning outcomes of the control class was 72.96. This shows that there is a significant difference between the average score (post-test) of the experimental group and the control group. So it can be concluded that there is a difference in the average learning outcomes of students who use the problem based learning (PBL) learning model with the learning outcomes of students who use conventional learning on acid-base materials.
Penggunaan Three-Tier Diagnostic Test Untuk Pemetaan Tingkat Penguasaan Elektrokimia Mahasiswa Kimia Semester II Elvian Anggelina Soru; Hardin Foster Rares; Joice Caroles
Oxygenius Journal Of Chemistry Education Vol 2 No 1 (2020): Oxygenius : Journal of Chemistry Education
Publisher : Chemistry Department, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/ojce.v2i1.132

Abstract

The purpose of this study was to determine the level of understanding of concept maps of semester II chemistry students using a three-tier diagnostic test on electrochemical subjects with multimedia-based learning. The research was carried out in the Department of Chemistry, FMIPA, UNIMA in the even semester of the 2018/2019 school year. The research method used is One-shot Case, with a sample of the research that is a class of chemistry classes for a certain year as many as 12 people. Multimedia instruments are made by utilizing animation and video from the internet which is packaged in Ms. Power point, and the electrochemical three-tier diagnostic test instrument is made according to the subject being taught. Then the test instrument was validated and 15 questions were produced. It was found the map data on the level of understanding of electrochemical concepts namely the average number of students who understood the concept by 41.6%, the average number of students experiencing misconceptions both misconceptions (+), misconceptions (-) and misconceptions by 30.033%, average number students do not understand the concept as much as 11.1%, there are 8.3% students who are not sure of the concept they have, and 8.3% there are students who do not understand the concept of electrochemistry. Thus, it was concluded that a three-tier electrochemical diagnostic test was able to reveal a map of students' level of understanding of the chosen topic
Korelasi Model Pembelajaran Student Team Achievement Division (STAD) Terhadap Hasil Belajar Siswa Pada Materi Konsep Asam Basa Fladi Rivera Kalubota; Dokri Gumolung; Joice D. S. Caroles
Oxygenius Journal Of Chemistry Education Vol 3 No 1 (2021): Oxygenius: Journal of Chemistry Education
Publisher : Chemistry Department, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/ojce.v3i1.267

Abstract

This study aims to determine how much the correlation value in the use of the learning model Studen Team Achievement Division (STAD) on student learning outcomes. The steps of the STAD learning model, namely: 1) convey learning objectives and motivate students, 2) organize students into study group consisting of 4-6 people, 3) convey information, 4) guide groups to work and study, 5) elevate students learning outcomes, 6) to give appreciation. This research wash conducted at SMA Negeri 5 Halmahera Utara in the even semester of the 2019-2020 school year. The sample used was 20 students of class XI-MIPA 1. Data collection technique using students attitude questionnaires and posttest questions. The results of the study a correlation coefficient value of 0.731, the value of the determinant coefficient of 53.44%. Score tcount > ttable (4.537 > 1.73406) so that there is a significant influence between the STAD learning model and student learning outcomes on the acid-base concept material.
Studi Kelayakan Penuntun Praktikum Asam Basa Berbasis Bahan Lingkungan Menggunakan Model 3-D Dan Penerapan Metode Inkuiri Terbimbing Untuk Meningkatkan Hasil Belajar Siswa SMA Negeri 1 Tenga gerry lumolos; Dokri Gumolung; Joice Caroles
Oxygenius Journal Of Chemistry Education Vol 1 No 2 (2019): Oxygenius : Journal of Chemistry Education
Publisher : Chemistry Department, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (577.155 KB) | DOI: 10.37033/ojce.v1i2.87

Abstract

Practicum guides are printed teaching materials that students can use in the learning process. This development research aims to determine the feasibility of an acid base-based practicum guide for environmental materials with a 3-D model and to improve student learning outcomes through practicum activities and the application of guided inquiry methods. The subject of this research was class XI IPA 1 at SMA Negeri 1 Tenga. The feasibility test for large groups has an average percentage of 88.24% which means that this practical guide is suitable for use with valid qualifications. Student learning outcomes using post test scores with the technique of statistical analysis of one sample t-test (one sample t-test). The results of the one-sample t-test hypothesis at a level of α = 5% were obtained tcount = 4.604> ttable = 1.708. The results of this study indicate that the guidelines for acid-base-based practicum for environmental materials are appropriate to be used in chemistry learning, and the use of acid-based practicum guides for environmental materials with the application of guided inquiry methods can improve student learning outcomes in acid-base material
Pengaruh Penerapan Strategi Pembelajaran REACT (Relating, Experiencing, Applying, Cooperating, dan Transferring) Terhadap Hasil Belajar Siswa Pada Materi Konsep Asam Basa Alfath Fitrilia Taraufu; Dokri Gumolung; Joice Caroles
Oxygenius Journal Of Chemistry Education Vol 2 No 2 (2020): Oxygenius : Journal of Chemistry Education
Publisher : Chemistry Department, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/ojce.v2i2.177

Abstract

Penelitian ini bertujuan untuk mengetahui besarnya pengaruh penerapan strategi pembelajaran REACT terhadap hasil belajar siswa pada materi konsep asam basa menggunakan konteks kimia. Penelitian ini dilaksanakan di SMA Negeri 1 Tondano pada tahun ajaran 2019/2020 di kelas XI IPA 1 dengan jumlah siswa sebanyak 23 orang. Materi konsep asam basa yang diajarkan di kelas XI IPA 1 dikaitkan dengan kehidupan sehari-hari. Hasil pengolahan data hubungan antara nilai angket dan posttest menunjukan respon positif dalam pembelajaran menggunakan strategi pembelajaran REACT. Data hasil penelitian berupa angket dan posttest dianalisis melalui uji hipotesis yaitu uji regresi sederhana dan uji korelasi product moment. Uji regresi sederhana menunjukan bahwa semakin tinggi sikap siswa terhadap strategi pembelajaran REACT (X) maka semakin tinggi hasil belajar siswa (Y), hal ini menunjukan adanya pengaruh variabel X (sikap) dan variabel Y (hasil belajar). Hasil uji korelasi product moment diperoleh nilai rxy yaitu 0,6466 yang menunjukan tingkat hubungan yang kuat. Hasil koefisien penentu untuk mengetahui pengaruh pembelajaran REACT terhadap hasil belajar diperoleh sebesar 41,82%. Dari hasil yang diperoleh dapat dilihat bahwa terdapat pengaruh penerapan strategi pembelajaran REACT terhadap hasil belajar siswa pada materi konsep asam basa menggunakan konteks kimia.
Penerapan Model Pembelajaran Inkuiri Terbimbing Terhadap Hasil Belajar Siswa Di SMA Negeri 1 Airmadidi Pada Materi Sifat Koligatif Larutan Ilham Mahmud; Sonny Lumingkewas; Joice Caroles
Oxygenius Journal Of Chemistry Education Vol 1 No 2 (2019): Oxygenius : Journal of Chemistry Education
Publisher : Chemistry Department, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (504.971 KB) | DOI: 10.37033/ojce.v1i2.104

Abstract

This research is experimental design was posttest only control group design. Determination of the sample using techniques random sampling and obtained two classes with the number of each class of 33 students. Experimental class 3 XII IPA and 4 XII IPA control class. The research was conducted to find out the result data inquiry learning model on the material colligative solution on the results of class XII student IPA at SMA Negeri 1 Airmadidi. The purpose of this study was to see increase learning outcomes students using inquiry model learning on the material colligative solution. Results of the study were analyzed to test the hypothesis (t test) at α = 0.05 was obtained tcount> ttable ie 3.15 > 1.66 means H1 received and there is a real increase, the result of learning to use inquiry learning model. As well as describing the average ratio of student learning outcomes using the experimental class higher inquiry learning model 80.00, compared with the control class that uses the conventional learning model that is 68.18.
Penerapan metode praktikum berbasis bahan alam dalam pembelajaran kimia untuk meningkatkan hasil belajar siswa pada materi reaksi redoks Loriana Tiak; Djefri Tani; Joice Dorsila Susana Caroles
Oxygenius Journal Of Chemistry Education Vol 1 No 1 (2019): Oxygenius : Journal of Chemistry Education
Publisher : Chemistry Department, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (235.046 KB) | DOI: 10.37033/ojce.v1i1.95

Abstract

The purpose of this study was to determine the improvement in learning outcomes of class X students in East Halmahera 9 High School on redox reaction topic by using natural product praticum methods in chemistry learning. This research is a preexperimental study with a One Group Pretest-Posttest Design. The population and sample are taken all students of class X with a total number of students of 20 people. The collected data is processed from the results of the pretes-posttest. Data were analyzed using the formula t-test the research hypothesis and obtained tcount> t table (19.49> 2.10). The results show that the average posttest value was greater than the average value of the pretest, so it can be concluded that student learning outcomes provided with natural product practicum methods influence student learning outcomes.
Pengaruh Metode Resitasi Dengan Pemanfaatan Media Chemsketch Terhadap Hasil Belajar Kimia Di SMA Negeri 1 Tagulandang Glory Kurnia Margarith Sirih; Joice D.S Caroles
Oxygenius: Journal Of Chemistry Education Vol 5 No 1 (2023): Oxygenius : Journal of Chemistry Education
Publisher : Chemistry Department, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/ojce.v5i1.565

Abstract

Tujuan dari penelitian ini adalah untuk mengetahui perbedaan hasil belajar kimia siswa menggunakan penerapan metode resitasi dengan pemanfaatan media CHEMSKETCH dengan siswa yang diajarkan dengan cara konvensional pada materi hidrokarbon kelas XII MIPA di SMA Negeri 1 Tagulandang. Jenis penelitian yang dilakukan Quasi Experimental Design yaitu pretest-posttest control group design, yang merupakan penelitian menggunakan dua kelompok, yang satunya kelompok eksperimen sedangkan yang lainnya kelompok kontrol. Populasi dalam penelitian ini yaitu seluruh kelas XI MIPA SMA N 1 Tagulandang dan sampel terdiri dari 2 kelas, yaitu kelas XI MIPA 3 sebagai kelas eksperimen dan kelas XI MIPA 2 sebagai kelas kontrol masing-masing berjumlah 20 orang. Berdasarkan data hasil penelitian diperoleh hasil analisis uji-t dengan taraf sig 0.05, artinya H0 ditolak dan H1 diterima. Dengan demikian terdapat perbedaan Metode Resitasi dengan pemanfaatan Media CHEMSKETCH dengan pembelajaran konvensional pada Hasil Belajar Kimia di SMA Negeri 1 Tagulandang
Penerapan Model Pembelajaran Project Based Learning Terhadap Hasil Belajar Siswa Kelas XI IPA Pada Materi Sistem Koloid Di Sma Negeri 1 Motoling Timur Misye Gamastri Sumampow; Sofia Krisen; Joice Caroles
Oxygenius: Journal Of Chemistry Education Vol 5 No 2 (2023): Oxygenius : Journal Of Chemistry Education
Publisher : Chemistry Department, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/ojce.v5i2.583

Abstract

Pelajaran berbasis proyek (PjBL) adalah model pembelajaran yang menggunakan proyek atau kegiatan sebagai alat pembelajaran untuk memperoleh sikap, pengetahuan, dan keterampilan. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh penerapan project learning (PjBL) terhadap hasil belajar siswa pada materi sistem koloid. Penelitian ini dilakukan di SMA Negeri 1 Motoling Timur pada tahun ajaran 2021/2022. Metode pengumpulan data menggunakan pre-test dan post-test. Metode analisis data yang digunakan yaitu uji normalitas, homogenitas, hipotesis. Hasil penelitian uji normalitas menunjukkan bahwa Lo kelas eksperimen 0.14 dan kelas kontrol 0.15 dengan Ltabel 0.180 sehingga Lo<Ltabel, uji homogenitas yaitu fhitung lebih kecil dari ftabel yaitu 1.01<2.03 pada taraf α=0,05, menunjukkan kedua kelas sampel memiliki varians yang homogen. Uji hipotesis didapat harga thitung=3.44 sedangkan ttabel=2.01 pada taraf nyata α=0,05, menunjukkan bahwa thitung (3.44)>ttabel (2.01). Berdasarkan hasil uji-t diatas maka hipotesis H1 diterima dan H0 ditolak. Pembelajaran Project based learning efektif untuk mempengaruhi peningkatan hasil belajar siswa.
Co-Authors Abdon Saiya Alfath Fitrilia Taraufu Djefri Tani Djefry Tani Dokri Gumolung Elvian Anggelina Soru Emma Julin Pongoh Fladi Rivera Kalubota gerry lumolos Glory Kurnia Margarith Sirih Hardin Foster Rares Ilham Mahmud Jenifer Alfonda Walewangko Loriana Tiak Misye Gamastri Sumampow Oktaviani Rampi Sofia Krisen Sonny Lumingkewas