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All Journal Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Basicedu Journal on Education Jurnal Pendidikan dan Konseling MES: Journal of Mathematics Education and Science JURNAL PEMBELAJARAN DAN MATEMATIKA SIGMA (JPMS) Abdimas Galuh : Jurnal Pengabdian Kepada Masyarakat IJECA (International Journal of Education and Curriculum Application) Edunesia : jurnal Ilmiah Pendidikan Mattawang: Jurnal Pengabdian Masyarakat Mitra Mahajana: Jurnal Pengabdian Masyarakat Jurnal Pendidikan Sains dan Komputer EduMatika: Jurnal MIPA Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Lensa: Jurnal Kependidikan Fisika SENTRI: Jurnal Riset Ilmiah Innovative: Journal Of Social Science Research Jurnal Sains Student Research JURNAL ILMIAH PENELITIAN MAHASISWA International Journal of Global Sustainable Research

Siahaan, Theresia Monika

Universitas HKBP Nomensen Pematangsiantar, Pematangsiantar, Sumatera Utara, Indonesia, 21132

Author-ID : 1577569

Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Counseling on Good Water Quality for the Cultivation of Batak Fish in Toba Lake Waters: Penyuluhan Kualitas Air yang Baik untuk Budidaya Ikan Batak di Perairan Danau Toba Sianipar, Herna Febrianty; Siahaan, Theresia Monika; Sijabat, Apriani
Mattawang: Jurnal Pengabdian Masyarakat Vol. 2 No. 1 (2021)
Publisher : Yayasan Ahmar Cendekia Indonesia

This service aims to provide information about the value of good water quality and demonstrate directly the tools used to measure it which aim to cultivate Batak fish based on biological, physical and chemical parameters such as temperature, dissolved oxygen, carbon dioxide, pH, and provide information on the names of measuring devices. . This service has been carried out in Gorat Village, Toba Samosir Regency with the method of counseling and material discussion (exposure and question and answer), as well as the practice of measuring water quality externally and analyzing the results of its value. The results of the counseling show that many fish farmers do not understand the value of good water quality for batak fish cultivation and not many know the equipment that can be used to check water quality. From this counseling, it can be seen that the interest of fish farmers and the community is very high, and they become more aware of the value of good water quality for fish farming and know the equipment. Abstrak Pengabdian ini bertujuan untuk memberikan penyuluhan tentang nilai kualitas air yang baik dan mendemonstrasikan langsung alat yang digunakan mengukurnya yang bertujuan untuk membudidayakan ikan batak berdasarkan parameter biologi, fisika dan kimia seperti suhu, oksigen terlarut, karbondioksida, pH, serta memberikan informasi nama alat-alat pengukurnya. Pengabdian ini telah dilakukan di Desa Gorat, Kabupaten Toba Samosir dengan metode penyuluhan dan diskusi materi (paparan dan tanya jawab), serta praktek pengukuran kualitas air secara eksitu dan menganalisis hasil nilainya. Hasil penyuluhan menunjukan bahwa banyaknya petani ikan yang belum paham tentang nilai kualitas air yang baik untuk budidaya ikan batak serta belum banyak yang mengetahui peralatan yang dapat digunakan untuk memeriksa kualitas air. Dari penyuluhan ini terlihat animo petani ikan dan masyarakat sangat tinggi, dan mereka menjadi lebih paham tentang nilai kualitas air yang baik untuk budidaya ikan serta mengetahui peralatannya.

Counseling on Good Water Quality for the Cultivation of Batak Fish in Toba Lake Waters: Penyuluhan Kualitas Air yang Baik untuk Budidaya Ikan Batak di Perairan Danau Toba Herna Febrianty Sianipar; Theresia Monika Siahaan; Apriani Sijabat
Mattawang: Jurnal Pengabdian Masyarakat Vol. 2 No. 1 (2021)
Publisher : Yayasan Ahmar Cendekia Indonesia

PERBEDAAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS DAN SIKAP SISWA YANG DIBERI PEMBELAJARAN KOOPERATIF TIPE THINK PAIR SHARE DENGAN TIPE THINK PAIR SQUARE PADA SMP NEGERI PEMATANGSIANTAR Theresia Monika Siahaan
MES: Journal of Mathematics Education and Science Vol 3, No 2 (2018)
Publisher : Universitas Islam Sumatera Utara

Abstract. The aims of this research is (1) to know there is the diffrentiation of students' mathematical problem solving who teach between Kooperatif Think Pair Share and Think Pair Square, (2) to know there is the diffrentation of student’s attitude Kooperatif Think Pair Share and Think Pair Square, and (3) describe the process problem solving between cooperatif Think Pair Share and Think Pair Square. The research is kuasi eksperiment. The population of this research are all of students in SMP N Pematangsiantar, and the sample chosen is random, SMP Negeri 9 and SMP Negeri 3 Pematangsiantar with VII-4 and VII-5 as the eksperiment class 1 and VII-5 and VII-7 as eksperimen class 2 with 68 students every class eksperiment. This research uses two ways ANACOVA test. The results of this research shown that: (1) there is diffrentation in mathematical problem-solving from students who teach between Kooperatif Think Pair Share and Think Pair Square, (2) the atttitude of students who teach with kooperatif Think Pair Share better than the students who teach with Think Pair Square, and (3) the process of students answers who are taught with the Think Pair Share better than Think Pair Square. Keywords: Think Pair Share, Think Pair Square, Problem Solving Mathematical Ability, and Student’s Attitude

PENGEMBANGAN LEMBAR KERJA SISWA BERBASIS PENDEKATAN REALISTIC MATHEMATICS EDUCATION Theresia Monika Siahaan
MES: Journal of Mathematics Education and Science Vol 5, No 2 (2020): Edisi Juni
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v5i2.2549

Abstrak. LKS yang digunakan di sekolah masih berupa rumus yang belum menekankan pada konsep matematika dan usaha peserta didik untuk mengkonstruk sendiri akan materi juga masih minim. Dalam kehidupan sehari–hari banyak permasalahan yang dapat kita gunakan dalam proses pembelajaran. Oleh karena itu penelitian ini bertujuan untuk menghasilkan LKS yang memenuhi syarat valid, reliabel, efektif dan efisien sehingga baik digunakan dalam proses pembelajaran. Penelitian ini merupakan penelitian pengembangan dengan menggunakan model pengembangan 4D-1 (tanpa menggunakan tahapan disseminate). Secara keseluruhan, dapat disimpulkan bahwa pengembangan lembar kerja siswa berbasis pendekatan realistic mathematics education telah memenuhi kriteria penting dalam penelitian pengembangan, yaitu valid, reliabel, efektif dan efisien. Validnya LKS ditunjukkan oleh penilaian yang diberikan validator terhadap aspek format, bahasa yang digunakan, serta isi materi yang dikembangkan. Reliabelnya LKS ditunjukkan oleh kesesuaian penilaian yang diberikan validator terhadap isi materi yang dikembangkan. Adapun efektifitas penggunaan LKS ditunjukkan oleh positifnya respon siswa terhadap komponen dan proses penggunaan LKS yang melebihi 80%. Efisiensi penggunaan LKS ditunjukkan oleh besarnya persentasi ketuntasan belajar siswa yang melebihi syarat minimum ketuntasan belajar klasikal. Kata Kunci: lembar kerja siswa, penelitian pengembangan, realistic mathematics education. Abstract. Student worksheets used in schools are still formulas that have not emphasized the mathematical concept, and the business of learners to self-construct the material is still minimal. In daily life, many problems that we can use in the learning process. Therefore, this research aims to produce valid, reliable, effective and efficient student worksheets that are both used in the learning process. This research is development research using 4D-1 development model (without using disseminate stage). Overall, it can conclude that the development of a student worksheet based on a realistic mathematics education approach has fulfilled the essential criteria in development research, i.e. valid, reliable, effective and efficient. The validity of student worksheets indicated by the assessment of the form, language used, or content of the materials. The reliability of the student worksheets demonstrated by conformity assessment given the validator to the content of the developed material. The effectiveness of student worksheets demonstrated by the positive response of students to the components and processes exceeding 80%. The efficiency of the use of student worksheets demonstrated by the magnitude of student learning, which exceeds the minimum requirement of classical learning. Keywords: Student worksheets, development research, realistic mathematics education.

PERBEDAAN KEMAMPUAN PEMECAHAN MASALAH DENGAN PENDEKATAN INVESTIGASI DAN PENDEKATAN KONVENSIONAL PADA POKOK BAHASAN TEOREMA PHYTAGORAS DI KELAS VIII SMP NEGERI 9 PEMATANGSIANTAR Theresia Monika Siahaan
MES: Journal of Mathematics Education and Science Vol 4, No 2 (2019)
Publisher : Universitas Islam Sumatera Utara

Abstract. This study aims to determine whether there are differences in mathematical problem solving abilities of students who are taught through an investigative approach and with conventional approaches in class VIII SMP 9 of Pematangsiantar. This type of research is experimental research. The population in this study were all eighth grade students of SMP 9 of Pematangsiantar as many as 8 classes. The problem solving abilities of students taught with an investigative approach to the average pretest of 57.73 and post-test of 85.42, the level of change in problem solving abilities was 27.69. Higher than the problem solving abilities of students who are taught with conventional learning the average pretest is 56.67 and posttest is 72.67. Hypothesis testing, from the calculation of student pretest data obtained at dk = 64 and the real level α = 0.05 and ????(1−12∝)=????0,975 obtained ttable = 1.669 and tcount = 1.172. Because tcount ttable = (1.172 1.669) it can be concluded that the initial ability of students is the same. While based on the calculation of student posttest data obtained at dk = 64 and the real level α = 0.05 obtained ttable = 1.669 and t count = 4.212. Because tcount ttable (4.212 1.669) then Ho is rejected and Ha is accepted. Then it was concluded that there were significant differences between problem solving abilities taught by an investigative approach and conventional approaches.Keywords: Problem Solving Ability, Investigative Approach, Conventional Approach.

DISEMINASI HAND SANITIZER MAMPU MENGURANGI PERTUMBUHAN MIKROBA DI SIANTAR ESTATE Herna Febrianty Sianipar; Theresia Monika Siahaan; Mungkap Mangapul Siahaan; Maryanto Saragih
Mitra Mahajana: Jurnal Pengabdian Masyarakat Vol. 2 No. 1 (2021): Volume 2 Nomor 1 Tahun 2021
Publisher : LPPM Universitas Flores

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/mahajana.v2i1.803

The COVID-19 pandemic can threaten human lives and can spread massively if there are no comprehensive preventive measures in all countries including Indonesia. Various efforts are known to be made to prevent the spread of COVID, including the use of hand sanitizers, which are antiseptic fluids capable of killing viruses, bacteria, and fungi found in the air, tools, and the human body, including hands. . The method of activities carried out in this community service is counseling using the lecture method using power point slide media which contains an explanation of the importance of a hand sanitizer and demonstrating directly with a hand swab from a community before and after using a handsanitizer and then scratching it on PDA media (Potato Dextrose Agar). The conclusion of this community service is that the community understands the importance of using a handsanitizer before carrying out activities because they see directly the growing bacteria.

Pengembangan Buku Ajar Berbasis Kooperatif Tipe Jigsaw untuk Meningkatkan Kemampuan Berpikir Kreatif Mahasiswa Theresia Monika Siahaan; Herna Febrianty Sianipar; Rianita Simamora; Apriani Sijabat; Christa Voni Roulina Sinaga
Jurnal Basicedu Vol 5, No 4 (2021): August Pages 1683- 3000
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/basicedu.v5i4.1213

Tujuan penelitian untuk mengetahui tahapan pengembangan buku ajar teori bilangan berbasis kooperatif jigsaw dan respon mahasiswa terhadap buku ajar . Metode penelitian ini dilakukan dengan tiga tahap: Preliminary research,prototyping or development, dan assessment. Populasi penelitian mahasiswa Pendidikan Matematika Universitas HKBP Nommensen Pematangsiantar dengan jumlah 35 Orang. Data penelitian berupa kuesioner, angket validasi, kepraktisan, dan efektivitas. Analisis data menggunakan deskriptif kuantitatif. Validasi buku ajar dilakukan oleh tiga validator dengan nilai 96,67%dikategorikan sangat baik.Respon mahasiswa sangat membantu dengan adanya buku ajar nilai 87,4% dan praktis digunakan dalam pembelajaran

Pengembangan Model Pembelajaran Inovatif dengan Menggunakan Mind Mapping Christa Voni Roulina Sinaga; Theresia Monika Siahaan; Herna Febrianty Sianipar; Apriani Sijabat
Jurnal Basicedu Vol 5, No 4 (2021): August Pages 1683- 3000
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/basicedu.v5i4.1214

Tujuan penelitian untuk mengetahui tahapan pengembangan model pembelajaran inovatif dengan menggunakan mind mapping . Metode penelitian ini dilakukan dengan tiga tahap: Preliminary research, prototyping or development, dan assessment. Data penelitian berupa kuesioner, angket validasi, kepraktisan, dan efektivitas. Analisis data menggunakan deskriptif kuantitatif. Hasil uji coba I adalah sebesar 71,88%, ujicoba II adalah sebesar 87,50%. Respon peserta didik sangat setuju pengembangan model pembelajaran Mind Mapping berbasis Power Point. Model pembelajaran Mind Mapping berbasis Power Point yang dirancang dosen memperoleh validasi ahli dengan kategori sangat baik dan layak diterapkan dalam belajar bilangan

UTILIZATION OF DIGITAL PLATFORMS IN CREATING INDEPENDENT LEARNING DURING THE COVID-19 PANDEMIC Mungkap Mangapul Siahaan; Apriani Sijabat; Christa Voni Roulina Sinaga; Theresia Monika Siahaan; Herna Febrianty Sianipar; Sanggam Siahaan
Abdimas Galuh Vol 4, No 1 (2022): Maret 2022
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ag.v4i1.6971

Literasi digital pada masa pandemi ini sangat dibutuhkan dalam proses pembelajaran. Pengabdian masyarakat ini dilakukan di SMA Negeri 4 Pematangsiantar dimana tema dari pengabdian ini adalah pemanfaatan platform digital dalam mewujudkan merdeka belajar pada masa pandemi Covid-19. Pengabdian ini bertujuan untuk memberikan informasi sekaligus pelatihan dalam pemanfaatan platform digital bagi guru-guru SMA Negeri 4 Pematangsiantar. Metode yang dilakukan adalah metode sosialisasi dan pelatihan. Adapun hasil yang diperoleh dari pengabdian ini adalah guru-guru di SMA Negeri 4 antusias dalam mengikuti pengabdian serta setiap guru yang mengikuti pengabdian telah memilki akun platform digital seperti google classroom, google meet, google drive dan akun belajar.id.

PERAN PERGURUAN TINGGI DALAM MENDUKUNG KINERJA DPRD KOTA PEMATANGSIANTAR Apriani Sijabat; Herna Febrianty Sianipar; Theresia Monika Siahaan; Christa Voni Roulina Sinaga; Ropinus Sidabutar; Susy Alestari Sibagariang; Mungkap Siahaan
Abdimas Galuh Vol 3, No 2 (2021): September 2021
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ag.v3i2.6145

HKBP Nommensen Universitas Pematangsiantar melakukan pengabdian masyarakat di kantor DPRD Kota Pematangsiantar, dimana pengabdian ini bertujuan untuk mendukung kinerja DPRD Kota Pematangsiantar khususnya dalam menanggulangi permasalahan sampah sesuai dengan peraturan daerah yang berlaku. Pelayanan ini mendapat respon yang baik dan diapresiasi oleh Ketua Komisi 3 DPRD Pematangsiantar. Tingkat kepuasan peserta PKM juga mencapai 80%. Hal ini menunjukkan bahwa kegiatan pengabdian ini berdampak positif terhadap kesejahteraan masyarakat Kota Pemangsiantar. Diharapkan melalui kegiatan ini terjalin kerjasama antara pihak universitas dengan pemerintah daerah yang bertujuan untuk mensejahterakan masyarakat.

Co-Authors Al Yurfa Irzami Anita Debora Simangunsong Apriani Sijabat Benjamin A Simamora Betri Maria Manalu Buana Maria Gultom Canni Loren Sianturi Cebrion Nadeak Christa Voni Roulina Sinaga Desi Sijabat Devi Fierda Situmorang Eduward Situmorang Emma Gultom Froilan D. Mobo Gayus Simarmata Golda Novatrasio Golda Novatrasio Sauduran Golda Novatrasio Sauduran Golda Novatrasio Sauduran Hanna Darwati Marbun Herna Febrianty Sianipar Herna Febrianty Sianipar Hisar Marulitua Manurung Hotman Simbolon Kristina Siregar Lasman Malau Lufrensia Nisa Laura Sitinjak Luisa Yanti Aprina Hia Manik, Heber Maria Gultom Marianti O.T. Simamora Marikris Natalia Saragih Martinus H Sihotang Maryanto Saragih Mesrieka Kristiani Silalahi Minar Trisnawati Tobing Muktar Panjaitan Mungkap Mangapul Siahaan Mungkap Siahaan Nanda Laura Samosir Natalina Purba Novita Lumenta Sari Hutagaol Osco P. Sijabat Pane, Eva Pratiwi Putri Azhari Qarin Khoirani Ramadani Ramadani Reagan Surbakti Saragih Reydy A. Silalahi Rina Devi Romauli Siahaan Rio Parsaoran Napitupulu Ropinus Sidabutar Ropinus Sidabutar Ropinus Sidabutar Roswita Sri Melati Sirait Sanggam Siahaan Selamat Triadil Saragih Siahaan, Vaisal Silaban, Winarto Simamora, Rianita Siti Nurhalimah Lubis Sunggul Pasaribu Suprapto Manurung Suprapto Manurung Suprapto Manurung Suprapto Manurung Susi Parhusip Susy Alestari Sibagariang Sylvia Martina R. Sihite Tambunan, Lois Oinike Tasya Claudia Siringo ringo Tomy Andreas Hamonangan Silitonga Veni Silalahi Vita Riahni Saragih Yoel Octobe Purba Yoel Oktobe Purba

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