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PENGARUH MODEL PEMBELAJARAN DISCOVERY LEARNING DAN MEDIA VIDEO PEMBELAJARAN TERHADAP HASIL BELAJAR DAN MOTIVASI BELAJAR SISWA PADA MATERI LAJU REAKSI Selfrida Sari Ginting, Sinta; Kembaren, Agus
JURNAL KOULUTUS Vol. 7 No. 1 (2024): JURNAL KOULUTUS
Publisher : LPPM Universitas Kahuripan Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar

Penelitian ini bertujuan untuk mengetahui apakah model pembelajaran Discovery Learningberpengaruh dan berhubungan terhadap hasil belajar siswa dan motivasi belajarnya. Sampel yangdigunakan, yakni siswa di kelas XI IPA SMAN 1 Bahorok, yang terdiri dari kelas XI MIA 1 adalahkelas eksperimen dan kelas XI MIA 2 adalah kelas kontrol. Data survei penelitian ini terdiri dari skorlembar observasi motivasi belajar serta hasil tes dari perbedaan pre-test dan post-test. Hasil penelitianmenyatakan bahwa hasil belajar dan motivasi belajar di kelas eksperimen dan kontrol dipengaruhioleh model pembelajaran. Kelas eksperimen menggunakan model Discovery Learning denganbantuan video animasi, sedangkan kelas kontrol menggunakan video animasi tanpa bantuan model.Nilai mean tersebut menunjukkan bahwa siswa pada kelas eksperimen mempunyai hasil belajar danmotivasi yang lebih tinggi dibandingkan siswa pada kelas kontrol. Data hasil pengujian hipotesisdengan menggunakan uji t diperoleh t hitung > t tabel = 12,47 > 2,036. Hasil motivasi belajar siswadengan menggunakan uji t menyatakan t hitung > t tabel = 2,58 > 2,036. Kesimpulannya, terdapathubungan antara motivasi belajar dan hasil belajar, seperti yang ditunjukkan oleh korelasi kelaseksperimen yakni 0,681 dan korelasi kelas kontrol yakni 0,627.

PENGARUH MODEL PEMBELAJARAN DISCOVERY LEARNING DAN MEDIA VIDEO PEMBELAJARAN TERHADAP HASIL BELAJAR DAN MOTIVASI BELAJAR SISWA PADA MATERI LAJU REAKSI Selfrida Sari Ginting, Sinta; Kembaren, Agus
JURNAL KOULUTUS Vol. 7 No. 1 (2024): JURNAL KOULUTUS
Publisher : LPPM Universitas Kahuripan Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar

Penelitian ini bertujuan untuk mengetahui apakah model pembelajaran Discovery Learningberpengaruh dan berhubungan terhadap hasil belajar siswa dan motivasi belajarnya. Sampel yangdigunakan, yakni siswa di kelas XI IPA SMAN 1 Bahorok, yang terdiri dari kelas XI MIA 1 adalahkelas eksperimen dan kelas XI MIA 2 adalah kelas kontrol. Data survei penelitian ini terdiri dari skorlembar observasi motivasi belajar serta hasil tes dari perbedaan pre-test dan post-test. Hasil penelitianmenyatakan bahwa hasil belajar dan motivasi belajar di kelas eksperimen dan kontrol dipengaruhioleh model pembelajaran. Kelas eksperimen menggunakan model Discovery Learning denganbantuan video animasi, sedangkan kelas kontrol menggunakan video animasi tanpa bantuan model.Nilai mean tersebut menunjukkan bahwa siswa pada kelas eksperimen mempunyai hasil belajar danmotivasi yang lebih tinggi dibandingkan siswa pada kelas kontrol. Data hasil pengujian hipotesisdengan menggunakan uji t diperoleh t hitung > t tabel = 12,47 > 2,036. Hasil motivasi belajar siswadengan menggunakan uji t menyatakan t hitung > t tabel = 2,58 > 2,036. Kesimpulannya, terdapathubungan antara motivasi belajar dan hasil belajar, seperti yang ditunjukkan oleh korelasi kelaseksperimen yakni 0,681 dan korelasi kelas kontrol yakni 0,627.

Integration of Analytical Chemistry Flipbooks Based on Project-Based Learning in Improving Critical Thinking Skills and Scientific Literacy to Support SDG-4 Sari, Sri Adelila; Dewi, Ratna Sari; Saputra, Kana; Kembaren, Agus; Hasibuan, Hanisah; Talib, Corrienna Abdul
Jurnal Pendidikan IPA Indonesia Vol. 14 No. 1 (2025): March 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpii.v14i1.21038

This study was aimed at assessing the effectiveness of Project-Based Learning (PjBL)-based analytical chemistry flipbooks in improving students’ critical thinking skills and scientific literacy, and linking the results to the achievement of Sustainable Development Goals (SDG-4), namely quality education. This study used a quantitative approach with a quasi-experimental design, involving two groups: an experimental group (n = 250) using PjBL-based flipbooks, and a control group (n = 250) using conventional textbooks. The projects in PjBL were designed to challenge students to apply critical thinking skills in solving real problems in analytical chemistry. Scientific literacy was measured based on students’ ability to understand, evaluate, and apply chemical concepts in the context of the project. Critical thinking skills and scientific literacy tests were used to measure learning outcomes before and after the intervention. The instrument in this study was a test of critical thinking skills and scientific literacy. Statistical tests showed that the data were normally distributed (significance value 0.216), homogeneous variance (0.074), and significant differences between the experimental and control groups (t = 0.038, p < 0.05). The increase in n-gain in the experimental group reached 0.9 (high category), compared to 0.63 (moderate category) in the control group. This study concluded that Project-Based Learning-based flipbooks were significantly more effective than conventional textbooks in improving students’ critical thinking skills and scientific literacy. The results of this study confirmed the superiority of PjBL-based flipbooks in significantly improving students’ critical thinking skills and scientific literacy compared to conventional textbooks. Statistical data support (normal distribution, homogeneous variance, significant differences between groups, and high n-gain in the experimental group) encourages the adoption of PjBL-based flipbooks as an effective learning strategy to achieve quality education according to SDG-4.

Preparation and Synthesis of Activated Carbon From Areca Nut Shell Coated with Nanochitosan From Shrimp Shell Herlinawati, Herlinawati; Fildzah, Qisthina; Sihombing, Junifa Layla; Kembaren, Agus
Journal of Carbazon Vol 3, No 1 (2025): June 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jocarbazon.v3i1.45959

This study aims to determine the manufacture of adsorbents made from activated carbon areca nut shell coated with nanochitosan from shrimp shells. The carbon from the areca nut shell was obtained by heating process using a temperature of 300oC. The carbon obtained is activated with H2SO4 and then modified by coating activated carbon with nanochitosan. Chitosan was prepare through isolation the stages of deproteinization, demineralization, and deacetylation. Chitosan will be characterized using FTIR. The change in size of chitosan to nano chitosan was evaluated by ionic gelation method with 1% NaTPP. The nanochitosan obtained will be characterized using PSA. The results of FTIR characterization showed the presence of an N-H group at a wave number of 3345.89 cm-1. PSA characterization gave a result that the particle size of shrimp shell chitosan was nano-sized, which was 51.11 nm.

Penerapan model problem based learning (PBL) berbantuan media iSpring pada materi larutan elektrolit dan non elektrolit Felentina, Feronica; Agus Kembaren
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.v1i12.173

This study aims to determine the average learning outcomes and learning motivation with the iSpring Media Assisted Problem Based Learning (PBL) learning model compared to conventional learning models. This research was conducted at SMA Negeri 1 Sunggal with the samples in this study were 2 classes, namely the experimental class in class X IPA 2 and the control class in class X IPA 3 which were obtained using purposive sampling technique. The research instrument consisted of a test instrument in the form of validated questions and a non-test instrument in the form of a learning motivation questionnaire. The results of the study for learning motivation using the independent sample t-test at = 0.05, the tcount value was 1.81. The results of the study on learning outcomes showed that the average value with the Problem Based Learning (PBL) learning model was 84.58 while the average value in the conventional learning model was 77.50. The gain calculation shows that the increase in learning outcomes in the experimental class is 72% with criteria while the control class is 68% with moderate criteria. From the results of the study, it was obtained that the tcount value was 4.94 Ha, which was accepted, namely the learning outcomes of students who were taught with the Problem Based Learning learning model assisted by the Ispring media were higher than the learning outcomes of students who were taught using conventional learning models on electrolyte and non electrolyte solutions. While the research results for the correlation test is 0.333. Thus, there is a significant correlation between learning motivation to increase student learning outcomes in the experimental class by 11%. This shows that the higher the motivation, the higher the learning outcomes, and vice versa.

Penerapan model problem based learning (PBL) berbantuan media iSpring pada materi larutan elektrolit dan non elektrolit Felentina, Feronica; Agus Kembaren
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.v1i12.173

This study aims to determine the average learning outcomes and learning motivation with the iSpring Media Assisted Problem Based Learning (PBL) learning model compared to conventional learning models. This research was conducted at SMA Negeri 1 Sunggal with the samples in this study were 2 classes, namely the experimental class in class X IPA 2 and the control class in class X IPA 3 which were obtained using purposive sampling technique. The research instrument consisted of a test instrument in the form of validated questions and a non-test instrument in the form of a learning motivation questionnaire. The results of the study for learning motivation using the independent sample t-test at = 0.05, the tcount value was 1.81. The results of the study on learning outcomes showed that the average value with the Problem Based Learning (PBL) learning model was 84.58 while the average value in the conventional learning model was 77.50. The gain calculation shows that the increase in learning outcomes in the experimental class is 72% with criteria while the control class is 68% with moderate criteria. From the results of the study, it was obtained that the tcount value was 4.94 Ha, which was accepted, namely the learning outcomes of students who were taught with the Problem Based Learning learning model assisted by the Ispring media were higher than the learning outcomes of students who were taught using conventional learning models on electrolyte and non electrolyte solutions. While the research results for the correlation test is 0.333. Thus, there is a significant correlation between learning motivation to increase student learning outcomes in the experimental class by 11%. This shows that the higher the motivation, the higher the learning outcomes, and vice versa.

Effectiveness of Kepok Banana Peel Waste With Potassium Hydroxide Activation as Methylene Blue Dye Adsorbent Sidabutar, Putri Rebecca; Kembaren, Agus
Indonesian Journal of Chemical Science and Technology (IJCST) Vol. 7 No. 2 (2024): JULY 2024
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v7i2.62254

Banana peels are usually considered as waste and cause environmental pollution. However, banana peels can be used as an adsorbent material to reduce the impact of methylene blue dye use because they contain high lignocellulose. This study aims to determine the characterization, optimum mass and optimum time. The adsorbent was made using dried and carbonized banana peels at a temperature of 400°C for 2 hours. After the carbonization process, the adsorbent was activated using 5 M potassium hydroxide for 2.5 hours. Based on the results of the study, it showed an optimum mass of 0.121 grams and an optimum time of 90 minutes. The efficiency of methylene blue dye absorption on activated carbon was higher than that of banana peel carbon.

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