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Darwati Darwati
Fakultas Ekonomi dan Bisnis, Universitas Sebelas Maret Surakarta
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Public Health Social Sciences Other

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Application of the Indonesian Realistic Mathematics Education Approach to Improve Student Learning Outcomes Irawan, Dani; Syarif, Muhammad Ilham; Fidiawati, Liza; Darwati, Darwati; Yulia, Sispa
International Journal of Elementary School Vol. 1 No. 2 (2024): September
Publisher : Sekolah Tinggi Agama Islam Solok Nan Indah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69637/ijes.v1i2.64

Abstract

This research aims to analyze the effectiveness of implementing the Indonesian Realistic Mathematics Education Approach (PMRI) in improving student learning outcomes in mathematics subjects. PMRI is a learning approach that emphasizes the use of real contexts and daily experiences as a basis for developing mathematical concepts, so that students can more easily understand and relate the subject matter to their real lives. The research method used is classroom action research (PTK) which is carried out in several cycles, each cycle consisting of planning, implementation, observation and reflection. The subjects of this research were class students randomly selected from an elementary school in Indonesia. Data was collected through learning results tests, observations, and interviews with students and teachers. The increase in student learning outcomes is known from the percentage of completion of the evaluation test results in cycle I and cycle II. At the beginning (Pre-cycle) the percentage of student completion was 33.33% (five students) out of fifteen students. In cycle I, the percentage of student completion increased to 66.67% (ten students). Meanwhile, in cycle II, student completion increased to 93.33% (fourteen students) from fifteen students and only one student did not complete. 2) Student learning activities have increased and reached good criteria. Thus, it can be said that research through the application of the Indonesian Realistic Mathematics Education Approach (PMRI) on the material on the properties of flat shapes in class V of Tahfidz Rahmatul Aisy Arosuka Elementary School, Solok Regency was declared successful.
Pengaruh Transformasional Leadership, dan Psycologi Capital Terhadap Work Engagement Pada Karyawan Perusahaan di Kota Salatiga Darwati, Darwati
Jurnal Ilmiah Wahana Pendidikan Vol 10 No 4 (2024): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.10521277

Abstract

World economic growth experienced a downward correction. High inflation and declining economic growth are predicted to experience a global recession in 2023. It threatens companies to go bankrupt, and companies are forced to streamline operational costs with the psychology and performance of employees. In addition, Indonesia is entering the 5.0 revolution era and a transitional period from the co-19 pandemic. The troubles on the way to be tested are the impact of transformational leadership and the psychology of capital on work engagement among Company employees in Salatiga City. The purpose of this study was to study the effect of transformational leadership and the psychology of capital on work engagement among company employees in Salatiga City. The benefit of this research is to expedite the company's operational activities in dealing with an economic recession, adjusting the transitional environment after the Covid-19 pandemic. This scientific study was conducted on the workforce working in the City of Salatiga based on the Central Bureau of Statistics for the City of Salatiga, totaling 103,979 people. The sampling method uses a probabilistic sampling method, which equates the probability that each element (member) of the population will be selected as a member of the sample. Sampling using simple random sampling, namely taking members of the sample and population is done randomly without paying attention to the layers in the population. Sampling was carried out in the study using calculations with the Slovin formula with a total sample of 100 employees. The data analysis technique to answer the research hypothesis uses the Smart Partial Least Square (PLS) tool. The output of this research is a Sinta 5 accredited journal or National Seminar Call for Paper.
Problem-Based Learning Approach in Solving Mathematical Word Problems Among Sixth Grade Students Novianti, Wiwin; Nurfitriana, Nurfitriana; Saepuddin, Diana; Rachayu, Tatik Susanty; Darwati, Darwati; Sajiman, Supardi Uki; Suhendri, Huri
ATTA`DIB Vol. 10 No. 1 (2026): APRIL
Publisher : Program Studi PGMI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/at-tadib.v10i1.22554

Abstract

Mathematics learning, especially in the topic of word problems, remains a challenge for elementary school students because it requires the ability to understand context, reasoning, and problem solving. This study aims to examine the effectiveness of the implementation of the Problem-Based Learning (PBL) model in improving the ability of sixth-grade students of SDN Pengadegan 07 Pancoran, South Jakarta, in solving mathematical word problems on the topic of comparison, as well as identifying the process and obstacles in its implementation. This study used a mixed methods approach with a sequential explanatory design. The research sample consisted of 30 sixth-grade students. The initial hypothesis of this study was that the implementation of the PBL model had an effect on students' ability to solve mathematical word problems. Quantitative data were obtained through a test of the ability to solve word problems, while qualitative data were collected through observations and interviews with teachers and students. The pretest results showed a moderate average initial ability score of 50. The results of the study showed that the implementation of PBL was able to improve students' abilities, indicated by a high average test score of 84 and increased student activity and participation in learning. Furthermore, the results of the paired sample t-test revealed a statistically significant difference between the pretest and posttest scores (p < 0.05), which confirmed that the increase was significant. Qualitative data also showed that PBL helped students understand problems more deeply through discussions and contextual problem solving, despite obstacles such as limited learning time and low reading comprehension skills of some students.
Santon Dari Kulit Batang Tumbuhan Asam Kandis (Garcinia cowa) Darwati, Darwati; Anggraeni, Anni; Adisumiwi, Sri
Chempublish Journal Vol. 1 No. 1 (2016): Chempublish Journal
Publisher : Department of Chemistry, Faculty of Science and Technology Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (411.269 KB)

Abstract

Genus Garcinia diketahui kaya dengan senyawa santon teroksigenasi, santon terprenilasi dan benzofenon poliisoprenilasi.  Beberapa dari golongan senyawa ini memiliki aktivitas biologi yang bervariasi antara lain sebagai antibakteri, antioksidan, sitotoksik, dan antimalaria.  Garcinia cowa termasuk famili Guttiferae dan di Indonesia dikenal dengan nama asam kandis.  Dalam rangka investigasi berkelanjutan dari tumbuhan genus Garcinia asal Indonesia suatu senyawa santon kowanin telah berhasil diisolasi dari bagian   kulit batang Garcinia cowa.  Struktur molekul dari senyawa ini telah ditetapkan berdasarkan data spektroskopi meliputi UV, IR, dan NMR 1-D serta data yang diperoleh  dibandingkan  dengan data  literatur. Kata kunci:  G. cowa,  santon, kowanin
Co-Authors Abdillah, Lutfi Ace Tatang Hidayat Andi Kristanto Anni Anggraeni, Anni Arkhan Aditya, Audy Azmi, Mohamad Nurul B. Wahyudi Joko Santoso Budi Hidayat Dani Irawan Datupalinge, Suarlan Deden Indra Dinata, Deden Indra Desi Harneti Putri Huspa Encep Sopandi, Encep Faika Rachmawati, Faika Farabi, Kindi Ferdiles, Lucky Habiburahman, Fadil Haq, Sayhidul Hilmayanti, Erina Huri Suhendri Indriyani, Indri Istiq’faroh, Nurul Jaafar, Azhar KEKKA, ABRAHAM Khairunnisa, Shofiyah Kurniawan, Gilang Kusuma, Rizky Lakuna, Rosnani Leviana Sari, Hesti Liza Fidiawati Lukman Harun Malaikosa, Yes Matheos Lesarus Muhammad Hanafi Muhammad Ilham Syarif Murniyati, Murniyati Mustaqim, Iqbal Wahyu Naini, Al Arofatus Noko'e, Nurhayati Sutan Novianti, Wiwin Nur Kholifah, Umi Nurdiena, Ihyani nurfitriana nurfitriana Nurlelasari Nurlelasari PUJI LESTARI Pujiyanto Pujiyanto Pusadan, Sulwan Qomarilla, Nurul Rachayu, Tatik Susanty Rachma Hasibuan Radila, Gustina Rani Maharani Riri Susanti Saepuddin, Diana Sajiman, Supardi Uki Shiono, Yoshihito Sofa Fajriah Sri Adi Sumiwi Sugiyanti Sugiyanti Syamsuddin Baco Tati Herlina Tenny Putri Wikayani, Tenny Putri Tri Krianto Tri Mayanti Unang Supratman Wahyuni, Aneu Yulia, Sispa Yulianti Yulianti