1,720,955 research outputs found

    PENGEMBANGAN VIDEO MEDIA PEMBELAJARAN PADA MATA PELAJARAN MATEMATIKA MATERI TRIGONOMETRI SMK NEGERI 7 JAKARTA MENGGUNAKAN METODE FUN LEARNING DENGAN TIKTOK

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    ABSTRAK PENGEMBANGAN VIDEO MEDIA PEMBELAJARAN PADA MATA PELAJARAN MATEMATIKA MATERI TRIGONOMETRI SMK NEGERI 7 JAKARTA MENGGUNAKAN METODE FUN LEARNING DENGAN TIKTOK RENALDI ARDIANSYAH Pembelajaran daring menyebabkan minat belajar menurun, prestasi siswa menurun terutama pada materi trigonometri. Ketika minat dan semangat belajar menurun, pembelajaran menjadi kurang maksimal dan siswa menjadi kurang tertarik terhadap pelajaran yang dipelajarinya. Salah satu cara untuk mengembalikan minat dan semangat belajar siswa adalah dengan memperkenalkan metode pembelajaran berbasis video Tiktok. Penelitian ini bertujuan untuk mengembangkan video pembelajaran pada mata pelajaran matematika materi trigonometri SMK Negeri 7 Jakarta menggunakan metode fun learning dengan Tiktok. Pengembangan media pembelajaran ini menggunakan metode R&D (Research & Development) Sugiyono yang terdiri dari 10 tahap yaitu potensi dan masalah, pengumpulan data, desain produk, validasi desain, revisi desain, ujicoba produk, revisi produk, ujcoba pemakaian, revisi produk, dan produksi masal. Terdapat tiga jenis data yang diuji oleh peneliti: uji validasi ahli materi, uji validasi ahli media, dan uji responden/siswa. Hasil uji validasi ahli materi mencapai 96% dan dinyatakan sangat layak, sedangkan uji validasi ahli media mencapai 90.5% dan dinyatakan sangat layak. Sehingga produk video pembelajaran layak digunakan oleh peserta didik SMK Negeri 7 Jakarta sebagai media pembelajaran. Kata Kunci: Media Pembelajaran, Matematika, Video, Tiktok, Trigonometri, Fun Learning. ABSTRACT DEVELOPMENT OF LEARNING MEDIA VIDEOS ON MATHEMATICS SUBJECTS TRIGONOMETRY MATERIAL AT SMK NEGERI 7 JAKARTA USING FUN LEARNING METHOD WITH TIKTOK RENALDI ARDIANSYAH Online learning causes interest in learning to decrease, student achievement decreases, especially in trigonometry material. When interest and enthusiasm for learning decreases, learning becomes less than optimal and students become less interested in the lessons they are studying. One way to restore students' interest and enthusiasm for learning is to introduce the TikTok video-based learning method. This research aims to develop learning videos for the trigonometry mathematics subject at SMK Negeri 7 Jakarta using the fun learning method with Tiktok. The development of this learning media uses Sugiyono's R&D (Research & Development) method which consists of 10 stages, namely potential and problems, data collection, product design, design validation, design revision, product testing, product revision, usage trials, product revision, and mass production. There are three types of data tested by researchers: material expert validation test, media expert validation test, and respondent/student test. The material expert validation test results reached 96% and were declared very feasible, while the media expert validation test reached 90.5% and were declared very feasible. So that the learning video product is suitable for use by students of SMK Negeri 7 Jakarta as a learning medium. Keywords: Learning Media, Mathematics, Video, Tiktok, Trigonometry, Fun Learning

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Appropriate Similarity Measures for Author Cocitation Analysis

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    We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis

    Dispelling the Myths Behind First-author Citation Counts

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    We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more sophisticated methods

    Author Index

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    koamabayili/VECTRON-author-checklist: VECTRON author checklist

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    We have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used

    Pemodelan Numerik Aliran 3 Dimensi pada Bodi Modifikasi Mobil Listrik Nogogeni 6

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    Perkembangan teknologi otomotif telah berkembang sangat pesat saat ini. Maka dari itu, perusahaan otomotif berlomba-lomba untuk memproduksi kendaraan yang mengutamakan keselamatan pengemudi, efisiensi mesin, dan aspek aerodinamis. Mobil Nogogeni adalah salah satu kendaraan yang dirancang khusus untuk mobil hemat energi. Nogogeni dibuat untuk menggunakan tenaga listrik, dan mempunyai bentuk bodi yang ringan serta aerodinamis. Mengingat bentuk bodi mobil Nogogeni yang ada sangat dimungkinkan untuk dimodifikas, maka perancangan modifikasi merupakan suatu langkah strategis dalam mengurangi gaya hambat aerodinamika pada bodi kendaraan guna peningkatan efisiensi pemakaian baterai (penghematan energi). Untuk mengetahui karakteristik fluida yang mengalir di seluruh bodi mobil Nogogeni 6 Modifikasi serta membandingkannya dengan Nogogeni 6 Standar , yang meliputi kontur tekanan, koefisien tekanan (Cp), koefisien drag (Cd ) serta koefisien lift (Cl) secara 3 dimensi melalui software fluent 6.3.26. Hasil analisa didapat bentuk modifikasi yang telah dilakukan di bagian bawah (lowerside) bodi mobil, memiliki nilai 0.1689 sehingga berkontribusi terhadap penurunan koefisien drag sebesar 79.06%. Sedangkan koefisien lift (Cl) yang diperoleh selama simulasi pada bodi mobil Nogogeni senilai 0,0110. ======================================================================== The development of automotive technology has grown very rapidly at this time. Therefore, automotive companies are competing to produce vehicles that prioritize driver safety, engine efficiency, and aerodynamic aspects. The Nogogeni car is one of the vehicles specially designed for energy-efficient cars. Nogogeni is made to use electric power, and has a lightweight body shape and aerodynamics. Therefore body modification is needed in order to reduce aerodynamic force. The purpose of this final project is to study the flow characteristic over the car body Nogogeni 6 Modification and compare it with Nogogeni 6 Standard, which include pressure contour, pressure coefficient (Cp), drag coefficient (Cd) and lift coefficient (Cl) 3D with fluent software 6.3.26. Present study concluded that body modification has a drag coefficient of 0.1689, thus contributing to the decrease in drag coefficient of 12.87%. While the lift coefficient (Cl) obtained during the simulation on the car body Nogogeni worth 0,0110
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