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Thesalonika, Emelda
Universitas HKBP Nommensen Pematangsiantar
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Public Health Social Sciences Other

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MENINGKATKAN MUTU SEKOLAH MELALUI PENGEMBANGAN MANAJEMEN SEKOLAH DI SEKOLAH MENENGAH PERTAMA Sitorus, Lampola; Thesalonika, Emelda
PeTeKa (Jurnal Penelitian Tindakan Kelas dan Pengembangan Pembelajaran) Vol 7, No 1 (2024): PeTeKa (Jurnal Penelitian Tindakan Kelas dan Pengembangan Pembelajaran) Publish
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/ptk.v7i1.114-126

Abstract

Manajemen sekolah merupakan proses pengelolaan sekolah dengan memaksimalkan manfaat dari sumber daya yang dimiliki oleh sekolah untuk mencapai tujuan pendidikan. Kajian mengenai besarnya dampak pengembangan manajemen sekolah dalam meningkatkan mutu sekolah menengah pertama disajikan dalam artikel ini. Dengan menggunakan pendekatan kualitatif, penelitian ini mendeskripsikan proses pengembangan manajemen sekolah  dimulai dari penguatan kerjasama tim yang berpengaruh terhadap peningkatan kinerja guru, penyusunan dan pelaksanaan program sekolah hingga evaluasi berkelanjutan yang dilakukan oleh sekolah. Program sekolah yang dirancang secara efektif berhasil meningkatkan mutu sekolah melalui peningkatan capaian prestasi belajar siswa. Dalam keberhasilan pelaksanaan program sekolah, guru memiliki peranan yang sangat penting dan menjadi penentu berhasil tidaknya sebuah sekolah mencapai tujuan pendidikan. Temuan penelitian menunjukkan bahwa strategi kepala sekolah dalam membina kolaborasi dan menumbuhkan loyalitas guru efektif dalam meningkatkan profesionalisme dan kinerja guru. Melihat besarnya pengaruh pengembangan manajemen yang baik terhadap peningkatan mutu sekolah, maka setiap pimpinan sekolah harus memiliki kemampuan manajerial yang baik.  
The Influence of The Project Based Learning Model on Students' Critical Thinking Skills In The Science Subject of Grade V of UPTD SD Negeri 124401 Pematangsiantar Manurung, Gaby Margareth; Thesalonika, Emelda; Napitupulu, Rio Parsaoran
Journal of Education and Computer Applications Vol. 2 No. 2 (2025)
Publisher : Institute Of Advanced Knowledge and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69693/jeca.v2i2.30

Abstract

This study aims to determine the effect of the Project Based Learning (PjBL) model on the critical thinking skills of fifth grade students in Natural and Social Sciences (IPAS). The type of research used is quantitative with an experimental method, using a one-group pretest-posttest design. The research subjects were 24 fifth grade students at State Elementary School 124401 Pematangsiantar.The research instrument is a critical thinking essay test that has been validated by experts. The results of the study showed a significant increase in students' critical thinking skills after implementing the PjBL model. The students' average pretest score was 52.5, which increased to 85.33 on the posttest. The N-gain calculation produces a score of 0.70 which is in the high category. This proves that the PjBL model is effective in improving students' critical thinking skills. The implication of this research is that teachers can utilize PjBL as an alternative learning model to improve the quality of students' critical thinking at UPTD SD 124401 Pematangsiantar.
Pengaruh Penggunaan Media Aplikasi Canva Terhadap Hasil Belajar Mahasiswa Pada Mata Kuliah Konsep Dasar IPS Thesalonika, Emelda; Arent, Ease
Jurnal Simki Pedagogia Vol 6 No 1 (2023): Volume 6 Nomor 1 Tahun 2023
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jsp.v6i1.240

Abstract

The purpose of this research is to find out how much influence the use of Canva media has for PGSD students in taking the Basic Social Sciences Learning Concepts course. The type of research used is quantitative research with a quasi-experimental method. This research uses 2 classes, namely the experimental class, namely Canva learning media and the control class using Microsoft Power Point. The results of the research proved that the average pre-test score for the experimental class was 42.4 and for the control class was 41.2. The experimental results obtained tcount = 0.311 and ttable = 1.708 because tcount <ttable, the two samples had the same initial performance. The average post-test score for the experimental class was 76 with a standard deviation of 12.24 and for the control class was 67.6 with a standard deviation of 12.67. The results of the post-test scores for the research class and the control class were tested using a one-party t experiment and the results were 2.780 > 1.708, namely tcount > ttable at a significance level of 0.05 then (Ha) was accepted and Ho was rejected, which means that there is an effect of Canva media on learning outcomes students on the material influence of Western/foreign culture in Indonesia.
Pengembangan Desain Pembelajaran Berdiferensiasi Berbasis Lingkungan untuk Meningkatkan Hasil Belajar Siswa di SD 175771 Siaro Emelda Thesalonika; Desi Sijabat; Herlina Tinambunan
Jurnal Tematik Vol 14 No 2 (2025): Jurnal Tematik
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jt.v14i2.68830

Abstract

This study aims to describe the level of feasibility and effectiveness of developing an environment-based differentiated learning design to improve student learning outcomes. This study was conducted at Siaro Elementary School 175771. The subjects of this study were all 30 fourth-grade students of Siaro Elementary School 175771. The research method is Thiagarajan's 4-D development research. The results of the study show (1) the validity of the language expert is 86.53%, and the instructional design expert is 83.33%. From the validation results of the media expert, a score of 86.53 was obtained with a very good category. The effectiveness of the environment-based differentiated learning design can be seen from the improvement of student teaching outcomes, the lowest score is 25 while the highest score is 54. However, after using the environment-based differentiated learning design, the lowest score is 75 and the highest score is 100. The average score of 30 people is 90.26. In addition to the effectiveness of environmentally based differentiated learning design, it can be seen from the results of the increase in the average value (gain) of children's Pretest and Posttest, environmentally based differentiated learning design can improve children's learning outcomes at SD 175771 Siaro, with an average Pretest value of 41.25. While the average posttest is 90.14. Thus, teachers can implement environmental-based teaching designs even though they have not yet reached the dissemination stage, and for other researchers who want to research and make measurements of student learning outcomes, it is necessary to see how the abilities of these students are, the indicators of which are student needs.
Co-Authors -Angin, Daniel Edonta Perangin Agnes Manurung Alex Suger Situmorang Ardiansyah Sibagariang Arent, Ease Arma Tresia Simanullang Arpita Simanjuntak Asister Fernando Siagian Aulia, Natasya Betsaida, Elisabeth Br Barus, Eka Febriani Cinthya Roulina Sitohang Damanik, Winca Lauren Diana Falentina Simamora Dita Cahaya Simbolon Donna Manurung Edy Surya Effendi Manalu Eko Rado Enjelina Nainggolan, Ronada Ester Ayu Dewi Sihombing Esti Marlina Sirait Eva Pasaribu Friska Erna Sari Simajuntak Friswan Manurung Grace viani enjelia simarmata Grescya Saragih Hanna Gabriella Gurning Herlina Sitanggang Herlina Tinambunan Hetti Esmeralda Sirait I A Tanjung, Yega Azhary Icca Fransiska Sinaga Ida Ayu Putu Sri Widnyani Ipan Sihite Irma Ernestina Turnip L. Tobing, Minar Trisnawati Ledy Suryani Siahaan Lestari Widya Veronica Hasibuan Manurung, Gaby Margareth Marentina Inggrid Sinaga Maret Ningsihermina Sihombing Mega Enjelia Sijabat Meno Karolina Tanjung Mungkap Mangapul Siahaan Nadapdap, Titin S. Napitupulu, Rio Parsaoran Natalina Purba Panjaitan, Ester Damayanti PANJAITAN, MUKTAR B Pasaribu, Eva Purba, Nadila Insani Purba, Nancy Angelia Rajagukguk, Ezra Veronika Reinha Rosari Simanungkalit Restu Restu Ria Anjelina Siahaan Rianto Nainggolan Rifka Sriwati Hutagaol Ririsna Girsang, Ade Royanta Trimei Simatupang Samsidar Tanjung Saragih, Jihan Nurhadillah Saragih, Selamat Triadil Siahaan, Nitalin Siburian, Yesika Sidabutar, Meliana Sari Sidabutar, Yanti Arasi Sihombing, Lisbet N. Sihombing, Partohap Sijabat, Desi Silvani Oktavia Silaban Simanjuntak, Kezia Carolina Simanjuntak, Melvin M. Simanjuntak, Melvin Melanthon Simanjuntak, Tarida SIMAREMARE, JUNI AGUS Simarmata, Radode Kristianto Sinaga, Christa Voni Roulina Sirait, Esti Marlina Sirait, Fitri Novita Sari Sirait, Jumaria Sirait, Khorint Meilani Sitanggang, Mita Oktaviani Sitio, Hetdy Sitohang, Sukardo Sitorus, Lampola Sonia Dhelafani Sonia Raherka Sotarduga Sihombing Sotarduga Sihombing Sotarduha Sihombing Tambunan, Demson M. Tambunan, Janwar Tambunan, Marlina Agkris Thantri, Joice Diva Vahira, Yola Welfha Situngkir Yessi Kristiani Lumbantobing