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All Journal Jurnal Pendidikan dan Pembelajaran Kimia (JPPK) JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Pendidikan Kimia (JPKim) PENDIPA Journal of Science Education Jurnal Inovasi dan Teknologi Pembelajaran (JINOTEP) Kajian dan Riset Dalam Teknologi Pembelajaran Jurnal Inovasi Pembelajaran Kimia (Journal Of Innovation in Chemistry Education) Didaktika: Jurnal Kependidikan JUKESHUM: Jurnal Pengabdian Masyarakat Mejuajua Jurnal Pengabdian Masyarakat Tjut Nyak Dhien JURNAL PENELITIAN BIDANG PENDIDIKAN Eduvest - Journal of Universal Studies Indonesian Journal of Advanced Research (IJAR) Chemedu: Jurnal Ilmiah Pendidikan Kimia Jurnal Pendidikan MIPA
Anna Juniar
Universitas Negeri Medan
Religion Aerospace Engineering Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Neuroscience Nursing Public Health Social Sciences Other

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Effect of Simargaol - Gaol (Aglaonema Modestum Schott Ex Engl) Leaf Extract on Serum HDL, LDL and Triglyceride Levels of Rats Fed High-Fat Feed Gulo, Kristin Wulan Liberti Vivanis; Riris, Ida Duma; Roza, Destria; Nainggolan, Bajoka; Juniar, Anna
Indonesian Journal of Advanced Research Vol. 3 No. 5 (2024): May 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijar.v3i5.8970

Abstract

Cholesterol in the body is divided into three parts, namely Low Density Lipoprotein (LDL) High Density Lipoprotein (HDL) and Triglycerides. Excessive cholesterol in the blood can cause hypercholesterolemia. The Simargaolgaol plant (Aglaonema modestum Schott ex Engl) is one of the plants that people use as traditional medicine to cure various types of diseases. This study aims to analyze the effect of administering simargaolgaol leaf extract on reducing cholesterol levels in male Wistar rats fed a high-fat diet. This study used a Completely Randomized Design (CRD) consisting of 6 groups, namely K0+ (Normal Group), K0- (Negative Control), K+ (Positive Control given simvastatin), varying doses 100 mg/KgBW, 200 mg/KgBW, 300mg/KgBW. The data obtained was analyzed using One way Anova statistical analysis with SPSS for Windows software. The data that has been analyzed has a significant value of p<0.05, which means that administration of ethanol extract of simargaolgaol leaves (Aglaonema modestum Schott ex Engl) shows an effect on reducing cholesterol in the blood. The conclusion of this research is that the ethanol extract of simargaolgaol (Aglaonema modestum Schott ex Engl) leaves has anti-cholesterol activity at a minimum dose of 300 mg/KgBW.
Pelatihan Sistem Sertifikasi International Sustainability and Carbon Certification (ISCC) di Industri Oleokimia Pengolahan Bahan Baku Berbasis Kelapa Sawit Tambunan, Pravil Mistryanto; Juniar, Anna; Rajali, Mariany; Saputri, Muharni; Kembaren, Fanny
ABDIMASKU : Jurnal Pengabdian Masyarakat UTND Vol 4 No 2 (2025): Edisi Juli 2025 - Desember 2025
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat Universitas Tjut Nyak Dhien

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36490/jpmtnd.v4i2.1783

Abstract

This community service activity aims to provide training on the International Sustainability and Carbon Certification (ISCC) system to employees of a palm oil-based oleochemical industry company that processes residues and waste from palm oil derivative products. The training utilized a blended learning approach with pre-test and post-test evaluation using 20 multiple-choice questions, involving 30 participants. The results showed a significant improvement in participants' understanding, with average pre-test scores of 62.3 (SD=15.8) increasing to 87.7 (SD=9.4) on post-test, indicating an improvement of 25.4 points (40.7%, p<0.001). Twenty-one participants (70%) achieved excellent category (90-100) on post-test compared to only 6 participants (20%) on pre-test. Participant satisfaction reached 4.6/5.0 with 83.3% expressing high satisfaction. Follow-up after 1 month showed that 80% of participants had applied their knowledge in the workplace and 66.7% of companies began ISCC certification preparation. This activity successfully increased the human resource capacity of the oleochemical industry in understanding and implementing ISCC standards, supporting the competitiveness of Indonesian products in the global market that prioritizes sustainability aspects.
Comparison between iSpring Suites-supported PBL and PjBL Model in Improving Students Understanding of Electrolyte and Non-Electrolyte Solution Juniar, Anna; Purba, Hotma Damayanti
Jurnal Pendidikan MIPA Vol 24, No 2 (2023): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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Abstract

This study aimed to determine whether there are significant differences in learning outcomes in the cognitive, affective, and psychomotor aspects of students who are taught with the Problem Based Learning and Project Based Learning models assisted by iSpring media on electrolyte and non-electrolyte solution materials. This research method is a quasi-experiment with a two-class pretest-posttest research design. Sampling was carried out using purposive sampling technique, and class X PMIPA 3 was selected as the experimental class I which was taught using the Problem Based Learning model assisted by iSpring media and X PMIPA 4 as the experimental class II which was taught by the Project Based Learning model assisted by iSpring media. The instruments used were tests in the form of pretest posttest sheets and non-tests in the form of assessment sheets on the affective and psychomotor aspects of students. Based on the results of the study, the average cognitive aspect learning outcomes were 83.71 in the experimental class I and 80.57 in the experimental class II. The average affective learning outcomes were 55.25 in the experimental class I and 55.05 in the experimental class II. The average learning outcomes of the psychomotor aspects were 78.57 in the experimental class I and 75.02 in the experimental class II. Therefore, it can be concluded that there is a significant difference in learning outcomes in the cognitive and psychomotor aspects of the two experimental classes, while in the affective aspect there is no significant difference. Keywords: problem based learning, project based learning, iSpring, chemistry learning outcomes. DOI: http://dx.doi.org/10.23960/jpmipa/v24i2.pp432-441
Pengaruh Model Pembelajaran Problem Based Learning berbantuan Video Pembelajaran terhadap Peningkatan Hasil Belajar dan Kemampuan Berpikir Kritis Siswa pada Materi Larutan Elektrolit dan Non-Elektrolit Sinamo, Addly Heaven; Juniar, Anna; Tambunan, Pravil M.
ChemEdu Vol 6, No 2 (2025)
Publisher : Jurusan Kimia FMIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/chemedu.v6i2.74463

Abstract

Penelitian dilaksanakan di SMA Negeri 1 Salak. Tujuan penelitian ini adalah (1) mengetahui pengaruh model pembelajaran Problem Based Learning berbantuan video pembelajaran terhadap peningkatan hasil belajar siswa pada materi larutan elektrolit dan non-elektrolit; (2) mengetahui pengaruh model pembelajaran Problem Based Learning berbantuan video pembelajaran terhadap kemampuan berpikir kritis siswa pada materi larutan elektrolit dan non-elektrolit; (3) mengetahui korelasi antara peningkatan hasil belajar dan kemampuan berpikir kritis siswa yang dibelajarkan dengan model pembelajaran Problem Based Learning berbantuan video pembelajaran .Teknik pengambilan sampel yaitu Purposive Sampling, kelas pertama dijadikan kelas eksperimen dan kelas kedua dijadikan kelas kontrol. Uji hipotesis dilakukan dengan menggunakan uji t-satu pihak kanan, hasil penelitian pada taraf signifikasi 0,05 menunjukkan bahwa thitung > ttabel (8,54 > 1,99) maka Ha diterima terdapat pengaruh model pembelajaran Problem Based Learning berbantuan video pembelajaran terhadap peningkatan hasil belajar siswa lebih tinggi daripada peningkatan hasil belajar siswa dengan model pembelajaran Konvensional berbantuan buku ajar. Peningkatan hasil belajar siswa diperoleh pada kelas eksperimen 79,86% dan kelas kontrol 61,57%. Kemampuan berpikir kritis siswa yang dibelajarkan dengan model Problem Based Learning pada kelas eksperimen memperoleh nilai rata-rata sebesar 80,21% dan pada kelas kontrol sebesar 72,27%. Uji korelasi kemampuan berpikir kritis terhadap peningkatan hasil belajar siswa menunjukkan rhitung>rtabel (0,826 > 0,349) maka Ha diterima terdapat korelasi positif dan signifikan antara kemampuan berpikir kritis dengan peningkatan hasil belajar.
The Influence of Weblog Media on Increasing Learning Outcomes and Responses Using the Problem Based Learning Model in Buffer Solution Material at SMAN 18 Medan Juniar, Anna; Marpaung, Natasya Laura
Eduvest - Journal of Universal Studies Vol. 4 No. 12 (2024): Journal Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v4i12.1488

Abstract

Lack of media utilization during the learning process can lead to low student learning outcomes. This study aims (1) to determine the effect of increasing higher learning outcomes using weblog media using the Problem Based Learning model rather than using powerpoint; (2) to determine the response to the use of weblog media using the Problem Based Learning model; (3) to determine the positive correlation between response and increased learning outcomes. The sampling technique is purposive sampling. Hypothesis testing was carried out using the right one-party t-test, the results of the study at the significance level = 0.05 showed that tcount > ttable (5.95 > 1.99) so there was an effect of increasing learning outcomes higher using weblog media than using powerpoint. The increase in student learning outcomes of the experimental class was 78.28% and the control class was 52.45%. The response to the weblog media with the Problem Based Learning model was 75.5% in the interesting category. The correlation test of the response to the improvement of student learning outcomes shows rcount> rtable (0.58> 0.27) so there is a positive and significant correlation between the response and the improvement of learning outcomes.
Using Macromedia Flash-Assisted PBL and PjBL Learning Model to Improve Acid Base Leraning Outcomes Juniar, Anna; Barus, Mayloretta Br
Jurnal Pendidikan MIPA Vol 24, No 1 (2023): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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

Abstract

Learning science provides a challenge for students who have lost interest in learning science, especially chemistry lessons. Resulting in low student learning outcomes, because apart from being abstract in nature, it is influenced by the positive attitudes of students and teacher readiness in managing innovative learning so that the skills that students must have are lacking in dealing with the advancement of 21st century education. The purpose of this study was to determine differences in learning outcomes (cognitive, affective and psychomotor aspects) using the PBL and PjBL learning models in Acid-Base material assisted by macromedia flash which was implemented at SMA Negeri 1 Delitua.Technique The selection of the sample used was purposive sampling with the research design Two Group Pretest – Posttest Design. Data collection techniques used tests for cognitive learning achievement and non tests for affective and psychomotor achievements. Data analysis used the normality test with the Chi Square test, homogeneity through the F-test and two-party hypothesis testing to analyze whether or not there was a difference between the two experimental classes. The results showed that there were differences in cognitive and psychomotor learning outcomes and there were no differences in students' affective aspects between PBL and PjBL models assisted by macromedia flash. Keywords: problem based learning model, project based learning model, macromedia flash, learning outcomes.DOI: http://dx.doi.org/10.23960/jpmipa/v24i1.pp335-348
Co-Authors Asmara Sari Nasution Bajoka Nainggolan Barus, Mayloretta Br Chatrine Monalisa Br Tarigan Dea Anggraini Dessy Natalia Siahaan Dewi Dewi Ernawaty Ginting Eva Sartika Dasopang Fanny Rizki Sembiring Gulo, Kristin Wulan Liberti Vivanis Hafni Indriati Nasution Hafni Nasution Hafni Nasution, Hafni Hamdan Purba Hotma Damayanti Purba Ida Duma Riris Ika Julianti Tambunan Ika Trisna Br Karo S Juwairiah - Mariany Razali Mariany Razali Marpaung, Natasya Laura Mayloretta Barus Muflihah Fujiko Murniaty Simorangkir Nilsya Febrika Zebua, Nilsya Febrika Niru Sapla Nora Susanti Novrida Harpah Nurjannah . Nurmala Sari Nurmala Sari Nurmalis Nurmalis Nurul Fajirah Pravil Mistryanto Pravil Mistryanto Tambunan Purba, Hotma Damayanti Rajali, Mariany Ratih Dwi Fardilah Ratih Paramitha Raudya Setya Wismoko Putri Rialdi Malau riwayati riwayati Rosniwaty Br. Bangun Roza, Destria RR. Ella Evrita Hestiandari Saputri, Muharni Saputri, Muharni Serli Margarettha Ginting Siahaan, Debora Renita Paulina Sinamo, Addly Heaven Siti Rahmi Ningrum Sudewi - Supran Hidayat Sihotang Supran Hidayat Sihotang Syarifah Nadia Syarifah Nadia Tambunan, Pravil M. Tambunan, Pravil Mistryanto Vioni Angel Prisilya Sihombing Vioni Angel Prisilya Sihombing Vriezka Mierza Yessi Febriani