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Kartika Ratna Pertiwi
Universitas Negeri Yogyakarta
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Economics, Econometrics & Finance Education Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences

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A Transgenerational Effects of Oil Supplemented Diets on Fruit Flies (Drosophila melanogaster) Progenies Kuswandi, Paramita Cahyaningrum; Pertiwi, Kartika Ratna; Aji, Ibnu Kholdun Sukma
Al-Kauniyah: Jurnal Biologi Vol. 18 No. 1 (2025): AL-KAUNIYAH JURNAL BIOLOGI
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/kauniyah.v1i1.35362

Abstract

AbstractThe causes of obesity are multifactorial, one of which is the parental diet. Fruit fly (Drosophila melanogaster) has homologous genes with humans and is a potential model organism for research on human diseases. This study aims to examine the transgenerational effects of a modified high-fat diet on the number of progenies, sex ratio, and body weight in eight generations of fruit flies. Four types of diets consisted of different fat compositions were used banana, cornmeal, cornmeal + 3% virgin coconut oil (VCO), and cornmeal + 3% palm oil. Data were analyzed using SPSS with ANOVA and DMRT post hoc analysis. Results showed significant differences (P <0.05) in the number of progenies between the diet without oil and with added oil. A higher number of progenies were found in the diet without oil with an average of 85 flies (banana diet) and 85.04 flies (cornmeal diet) compared to the results in the oil diet with 19 flies (cornmeal + 3% VCO) and 76.67 flies (cornmeal + 3% palm oil)The sex ratio and the body weight were not significantly different between each diet, suggesting that there are other factors involved. There were significant differences between the early and late generations for number of progenies and body weight, but not for sex ratio. The VCO was difficult to mix in the media so palm oil has the potential to be used for further investigations to find a better formula for high-fat diet food sources in an obesity study using fruit flies.AbstrakPenyebab terjadinya obesitas bersifat multifaktorial, salah satunya adalah pola makan orang tua. Lalat buah (Drosophila melanogaster) memiliki gen yang homolog dengan manusia dan merupakan organisme model yang potensial untuk penelitian penyakit manusia. Penelitian ini bertujuan untuk menguji pengaruh transgenerasi pola makan tinggi lemak yang dimodifikasi terhadap jumlah keturunan, rasio jenis kelamin, dan berat badan pada delapan generasi lalat buah. Empat jenis pakan dengan komposisi lemak berbeda digunakan yaitu pisang, tepung jagung, tepung jagung + 3% Virgin coconut oil(VCO) dan tepung jagung + 3% minyak sawit. Data dianalisis menggunakan SPSS dengan analisis post hoc ANOVA dan DMRT. Hasil penelitian menunjukkan perbedaan yang signifikan (P <0,05) pada jumlah keturunan, khususnya antara diet tanpa minyak dengan diet dengan minyak. Jumlah progeni yang lebih banyak terdapat pada diet tanpa minyak dengan rata-rata 85 lalat (diet pisang) dan 85,04 lalat (diet tepung jagung) dibandingkan dengan hasil pada diet minyak dengan 19 lalat (tepung jagung + 3% VCO) dan 76,67 lalat (tepung jagung + 3% minyak sawit). Rasio jenis kelamin dan berat badan tidak berbeda secara signifikan antara masing-masing pola makan, hal ini menunjukkan bahwa ada faktor lain yang terlibat. Terdapat perbedaan yang signifikan antara generasi awal dan akhir dalam hal jumlah keturunan dan berat badan, namun tidak untuk rasio jenis kelamin. VCO sulit untuk dicampurkan dalam media sehingga minyak sawit berpotensi digunakan untuk penelitian lebih lanjut untuk menemukan formula sumber makanan diet tinggi lemak yang lebih baik dalam studi obesitas menggunakan lalat buah.
Pelatihan Penanganan Cedera Olahraga pada Pelatih Hapkido Daerah Istimewa Yogyakarta Wibowo, Arif Setyo; Pertiwi, Kartika Ratna; Putra, Jeffrey Ariesta; Arovah, Novita Intan; Kushartanti ,
Cerdika: Jurnal Ilmiah Indonesia Vol. 5 No. 8 (2025): Cerdika: Jurnal Ilmiah Indonesia
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/cerdika.v5i8.2786

Abstract

Hapkido merupakan salah satu cabang olahraga beladiri yang berasal dari Korea dan belum lama populer di Indonesia. Saat ini Hapkido masih merupakan cabang ekshibisi, namun akan dipertandingkan secara resmi pada PON XXI Aceh-Sumatera Utara. Cedera olahraga merupakan risiko yang tidak dapat dihindari dalam olahraga Hapkido, terbukti dengan adanya 2 atlet yang mengalami patah tulang dan lebih dari 20 atlet yang mengalami sprain dan strain pada ajang ekshibisi di Papua tahun lalu. Masalah utama yang dihadapi adalah rendahnya pengetahuan dan kemampuan pelatih dalam penanganan cedera olahraga, padahal intervensi awal yang tepat dapat mengurangi risiko komplikasi dan mempercepat proses penyembuhan. Tujuan kegiatan ini adalah untuk meningkatkan pengetahuan dan keterampilan pelatih Hapkido DIY dalam mencegah dan melakukan pertolongan pertama pada cedera olahraga. Metode pelaksanaan dilakukan melalui pelatihan dengan pendekatan ceramah dan diskusi case study yang diikuti oleh seluruh pelatih Hapkido DIY. Evaluasi keberhasilan dilakukan dengan pengukuran tingkat kehadiran dan pengetahuan peserta melalui pre-test dan post-test. Kegiatan dilaksanakan di pusat latihan Hapkido DIY pada tanggal 25 Januari 2024. Hasil kegiatan menunjukkan peningkatan skor pengetahuan pada seluruh peserta sebesar 50,67% dari rerata pre-test 39,13 menjadi post-test 58,96. Selain itu, diperoleh rerata skor persepsi peserta sebesar 84,82 yang menunjukkan respon positif terhadap program pelatihan. Program ini telah berhasil meningkatkan pengetahuan pelatih Hapkido DIY dan diharapkan dapat dilaksanakan secara berkesinambungan untuk menjamin keselamatan atlet di masa mendatang.
Development of Innovative Student Worksheet Using Google Sites for Reproductive System Material Hakim, Dani Rahmawati; Pertiwi, Kartika Ratna
Jurnal Penelitian Pendidikan IPA Vol 9 No 9 (2023): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i9.4429

Abstract

This study aims to determine 1) the development of student worksheet based on problem-based learning (PBL) on reproductive system material using Google sites and 2) the feasibility of student worksheet based on problem-based learning (PBL) on reproductive system material for class XI. This research was a research and development using the 4D model, consisted of define, design, develope, and disseminate. Student worksheet was developed using Google Sites. The validity test was carried out with expert judgment by material and media experts. External validity was conducted by biology teachers as practitioners and high school class XI students. The results showed that the results of the development of student worksheet based on Google Sites are in accordance with the 4D development stage and PBL-based student worksheet using Google Sites on reproductive system material are suitable for use based on the material and learning media aspects. Based on the assessment of material experts, learning media experts, and biology teachers as practitioners, this student worksheet is in the "very good" category, while the assessment by students as trial participants is in the "good" category. This student worksheet contains issues related to reproductive health. The media used is based on website mode, so all smartphone users can use it. It can be concluded that PBL-based student worksheet using Google Sites is feasible for use in the implementation of reproductive system biology learning materials
English English Windayani, Fitri; Pertiwi, Kartika Ratna
Jurnal Penelitian Pendidikan IPA Vol 9 No 9 (2023): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i9.4453

Abstract

This study aims to determine the feasibility of LKPD based on scientific inquiry to improve students' critical thinking skills and collaboration skills. The type of research used is research and development with research procedures using the ADDIE model (Analysis, Design, Development, Implementation, and Evaluation). This research is limited to the feasibility test of LKPD based on scientific inquiry at the development stage. The assessment of the results of the validity test and the practicality test of the questionnaire is interpreted on a Likert scale. Based on the data analysis, the following results were obtained: the validity test of teaching materials in the form of LKPD based on scientific inquiry obtained an average validity of the eligibility media for teaching materials of 92.75% and 85% for material eligibility. The practicality test conducted by Biology educators obtained an average score of 75% and 79% for students
Keefektifan Model Problem Based Learning Berbantuan Concept Mapping Pada Materi Sistem Reproduksi Manusia Untuk Meningkatkan Literasi Sains dan Keterampilan Berdiskusi Kelompok Siswa SMA Meidiana, Laily Maulida; Pertiwi, Kartika Ratna
Jurnal Penelitian Pendidikan IPA Vol 10 No 5 (2024): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i5.7051

Abstract

The learning process consists of a sequence of instructional and learning exercises designed to ascertain the efficacy of concept mapping-aided problem-based learning model on the human reproduction system in raising science literacy as well as the efficacy of the model on the human reproduction system in raising students' discussion skills at SMAN 1 Kasihan. This research employed a quasi-experiment design. The samples of this research were selected using random cluster sampling, consisting of 1 control class used scientific learning approach and 1 experimental class used Problem Based Learning model and Concept Mapping strategy. A descriptive and inferential statistics Independent Sample T-test were employed to analyzed the data.  The study's findings indicated that the experimental class's pre-test score was 46.97 and the control class's was 45.53. In addition, the experimental class scored 81.86 on the post-test, whereas the control class scored 62.28. The experimental class has a 0.7 N-Gain score in scientific literacy, whereas the control class has a 0.4 score. Based on the Independent Sample T-test findings, p=0.000 (p<0.05) is the significance threshold. It can be stated that students at SMA N 1 Kasihan's science literacy and group discussion abilities are successfully increased by Concept Mapping-aided Problem Based Learning (PBL) model on human reproduction material.
Development of Web-Based Interactive Learning Media on Excretory System Materials to Increase Learning Interest Priani, Nurul Kholiza; Pertiwi, Kartika Ratna
Jurnal Penelitian Pendidikan IPA Vol 10 No 10 (2024): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i10.7962

Abstract

Education today requires the utilization of increasingly sophisticated technology, which provides new effectiveness and innovation in learning. One of them is the development of interactive learning media to optimize classroom learning, which aims to increase interest in learning and can make it easier for students to understand learning materials. This media development uses research and development (R&D) with the development model ADDIE. The data collection technique uses a questionnaire, which is divided into a feasibility questionnaire (for media experts and material experts), a practicality (for biology teachers and student responses), and a learning interest questionnaire. The results obtained from feasibility and practicality are very good criteria, and the results of learning interest show a much higher average value in the experimental class (79.21) than the control class (62.26). In general, it can be concluded that learning media are feasible, practical, and effective for increasing learning interest
Development of IBSC (Investigation Based Science Collaborative) Based Student Worksheet on Human Respiratory System to Improve Science Literacy and Collaboration Skills of Grade XI Students Biantoro, Prita Pratiwi; Pertiwi, Kartika Ratna
Jurnal Penelitian Pendidikan IPA Vol 10 No 9 (2024): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i9.8560

Abstract

In the 21st century, students need to have scientific literacy abilities and collaborative skills in order to be able to compete in this era. This study aims to knowing the validity, the practicality and to determine the effectiveness of IBSC (Investigation Based Science Collaborative) based student worksheet used as teaching materials on human respiratory system to improve student’s science literacy skills and collaboration skills. This development research was conducted using the ADDIE model and the data analysis used was the Manova test. The results of the study are the student worksheet is declared valid for use in the process of learning activities with an average validation score in the good category. Its also received a score in the very good category in terms of readability and practicality. The Manova test results showed a Sig. 0.000 with N-Gain values are 60.57 and 62,58 in fairly effective catefory which means there is a significant difference in the science literacy skills and collaboration skills of students who using and not using IBSC (Investigation Based Science Collaborative) based student worksheet.
Pengembangan E-LKPD dengan Pendekatan SETS (Science, Environment, Technology, and Society) untuk Meningkatkan Keterampilan Berpikir Kritis pada Materi Sistem Reproduksi Adhiyah, ndah Lailatul; Pertiwi, Kartika Ratna
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9416

Abstract

This study aims to develop electronic Student Worksheet (known with E-LKPD) with the SETS (Science, Environment, Technology, and Society) approach model to improve the critical thinking skills of high school grade XI students on reproductive system material. The SETS approach is used to stimulate critical thinking skills in problem-solving-oriented situations. The development model of this research is the ADDIE (Analysis, Define, Design, Development, Disseminate, Evaluation) development model. The research design uses a pretest-posttest control group design. The subjects of the study were 70 students in class XI of SMA Negeri 1 Depok. The development of E-LKPD was carried out with the help of iSpring. Validation is measured based on expert validation and limited trial results. The results of this study show that E-LKPD is declared very feasible and the results of the response to the use of E-LKPD have perfect criteria.  The results of the wide-scale test showed that in the experimental class that applied the SETS approach, there was an increase in critical thinking skills with an average posttest score of 84.8 with the results of the gain score test in moderate criteria. Meanwhile, the control class also experienced an increase in critical thinking with an average posttest score of 77.62 with the results of the gain score test in low criteria.  
Utilization of Social Media-Based Learning Videos to Improve Students' Science Literacy in Biology Sa'adaniyah, Nely; Pertiwi, Kartika Ratna; Pratama, Anggi Tias
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9526

Abstract

The writing of this article aims to present the results of the analysis in the form of a literature review on the results of research on the utilization of social media-based learning videos to improve students' science literacy. The literature review was conducted on 10 articles published in various journals from 2020 to 2023. The literature review was carried out with 4 steps, namely searching and selecting articles related to the specified topic, analyzing and synthesizing the literature, and organizing the writing. The results of the literature review and analysis show that: 1) the types of research used are development research, experimental research and class action research.2) In general, the use of social media-based learning videos in research has a positive and significant impact on students' science literacy skills.
Implementation of Ethno-Edugames Application to Improve Student Learning Outcomes Sari, Novita Permata; Ratna, Kartika Pertiwi; Pratama, Anggi Tias
Jurnal Penelitian Pendidikan IPA Vol 11 No 2 (2025): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i2.10100

Abstract

The writing of this article aims to present the results of the analysis in the form of a literature review on the results of research on the implementation of the ethno edu games application to improve student learning outcomes. The ethno-edugames application is an educational game with the concept of local wisdom in the form of traditional games packaged into an application on a smartphone as a learning medium. The articles used consist of 4 research articles from national and international journals. The research procedure used in writing this article with 5 steps of literature review, determining the research theme, namely the implementation of the ethno edu games application to improve student learning outcomes, searching for and collecting various articles on the sinta website, google scholar, and other websites, classifying various types of articles that are relevant to the research theme, synthesizing relevant articles by marking important points in each article; and writing articles from the results of the synthesis. The conclusion of this article is that the use of ethno-edugames media in learning has succeeded in improving student learning outcomes. Ethno-Edugames that have succeeded in improving learning outcomes are, hopscotch, bebetengan, and Snakes and ladders.
Co-Authors Abdillah, Yasri Adhiyah, ndah Lailatul Agusni, Citra Rizkia Aji, Ibnu Kholdun Sukma Amanda, Sherly Herawati Anazifa, Rizqa Devi Anggi Tias Pratama Anna Rakhmawati Arif Setyo Wibowo Biantoro, Prita Pratiwi Cahyani, Danisa Naya Cinkara, Gonca Dani Rahmawati Hakim Das Salirawati de Boer , Onno J. DWI SURYANTO Evy Yulianti Fauzan, Aji Nur Nur Fitri Windayani Fitri Windayani, Fitri Hakim, Dani Rahmawati Jamhari Jamhari Kushartanti , Lestari, Milleny Aprilia Lokhorst, Max M. Maria Lies Endarwati Meidiana, Laily Maulida Meijer-Jorna , Lorine B. Melati Astria Jayanti Muhammad Anees Novita Intan Arovah Nurul Qomariyah Paramita Cahyaningrum Kuswandi Pratama, Anggi Tias Priani, Nurul Kholiza Putra, Jeffrey Ariesta Putri, Husmayani Muny Rizka Apriyani Putri Sa'adaniyah, Nely Sajid Iqbal Sari, Novita Permata Siti Mariyam Siti Mariyam Siti Mariyam Tri Hardjana Tutiek Rahayu Tutiek Rahayu Tutiek Rahayu Tutik Rahayu Tutik Rahayu Ukhti Jamil Rustiasari Utami, Amalia Mulia van der Horst , Chantal MAM van der Wal, Allard C. Yuliati Yuliati Yuliati Yuliati Zain, Haniza Hanim Mohd