1,720,959 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Full text link“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
Full text linkWe 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
MODEL PEMBELAJARAN GALLERY WALK DALAM PENINGKATAN HASIL BELAJAR SISWA
Full text linkRendahnya hasil belajar siswa kelas V MI Al-Azhar Menganti Gresik pada subtema organ gerak hewan ditandai dengan memperoleh nilai dibawah kriteria ketuntasan minimum (KKM) yaitu 60 dengan persentase 69,23%. Tujuan dari penellitian ini adalah untuk mengetahui penggunaan dan peningkatan hasil belajar siswa dalam menggunakan model pembelajaran Gallery Walk. Metode pembelajaran yang digunakan oleh guru kurang inovatif. Hal inilah yang kemudian berdampak pada hasil belajar siswa. Jenis Penelitian ini adalah Penelitian Tindakan Kelas. Subjek penelitiannya adalah siswa kelas V MI Al Azhar Menganti Gresik yang berjumlah 26. Teknik pengumpulan data yang digunakan yaitu observasi guru, observasi siswa, observasi siswa dalam kelompok, dan tes hasil belajar.Hasil belajar siswa pada siklus I yaitu memperoleh ketuntasan persentase sebesar 7,69% saat pretest dan 34,61% saat posttest. Sedangkan siklus II memperoleh ketuntasan 65,38% saat pretest dan persentase 84,61% saat posttest. Hasil ini membuktikan bahwa penggunaan model pembelajaran Galllery Walk dapat meningkatkan hasil belaja
Pengaruh profesionalisme guru dan kecerdasan majemuk siswa terhadap motivasi dan prestasi belajar siswa MI di Kecamatan Menganti Gresik
Full text linkPenelitian ini dilatarbelakangi oleh banyaknya guru madrasah ibtidaiyah di kecamatan menganti yang tidak linear latar pendidikannya. Hal ini menyebabkan kekhawatiran bahwa profesionaliseme guru MI di kecamatan Menganti akan rendah yang akan mempengaruhi motivasi belajar siswa dan pada akhirnya mempengaruhi prestasi belajar siswa. Penelitian ini bertujuan untuk mendeskripsikan 1) Profesionalisme guru MI di Kecamatan Menganti 2) Kecerdasan majemuk siswa MI di Kecamatan Menganti 3) Motivasi belajar siswa MI di Kecamatan Menganti 4) Prestasi belajar siswa MI di Kecamatan Menganti 5) Pengaruh profesionalisme guru dan kecerdasan majemuk siswa terhadap motivasi belajar siswa MI di Kecamatan Menganti dan 6) Pengaruh profesionalisme guru dan kecerdasan majemuk siswa terhadap prestasi belajar siswa MI di Kecamatan Menganti. Penelitian ini merupakan jenis penelitian kuantitatif dengan menggunakan metode angket dan dokumentasi yang dikumpulkan dari empat puluh guru dan siswa yang tersebar di tujuh Madrasah Ibtidaiyah. Validitas instrumen angket dilakukan dengan analisis butir menggunakan rumus korelasi kontigensi, untuk uji reabilitas menggunakan rumus alpha dan untuk uji normalitas menggunakan metode Kolmogorov-Smirnov adapun untuk pengujian hipotesis menggunakan analisis regresi linear berganda dummy yang sebelumnya dilakukan uji multikolinearitas, uji heterodaksitas dan uji autokorelasi. Berdasarkan hasil penelitian menunjukkan bahwa profesionalisme guru untuk kompetensi pedagogik berada pada kategori Cukup, kompetensi kepribadian, sosial dan profesional berada pada kategori Baik. Untuk kecerdasan majemuk siswa diketahui bahwa tipe Bahasa sebesar sebanyak 8 siswa, kecerdasan interpersonal 4 siswa, kecerdasan Kinestetik 5 siswa, kecerdasan Matematika-Logika 9 siswa, Kecerdasan Musik sebanyak 6 siswa dan kecerdasan Visual-Spasial sebanyak 8 siswa. Sedangkan rata-rata motivasi belajar siswa sebesar 57,63 (72,03%) sehingga termasuk dalam kategori Baik. Dan rata-rata nilai prestasi belajar siswa MI semester Gasal tersebut sebesar 78,25. Berdasarkan uji hipotesis dapat diketahui bahwa dengan menggunakan taraf signifikan sebesar α=5%, maka dapat disimpulkan Ho1 ditolak yang artinya bahwa ada pengaruh yang signifikan antara profesionalisme guru dan kecerdasan majemuk terhadap motivasi belajar siswa MI di Kecamatan Menganti. Untuk hipotesis yang kedua juga dapat disimpulkan bahwa Ho2 ditolak yang artinya bahwa ada pengaruh yang signifikan antara profesionalisme guru dan kecerdasan majemuk terhadap prestasi belajar siswa MI di Kecamatan Menganti
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe 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
Pengaruh kedalaman sudu tercelup terhadap kinerja pembangkit listrik terapung tipe undershot dengan 9 sudu tetap
Full text linkPenelitian ini berawal dari Kebutuhan energi listrik rumah-rumah di daerah terpencil seperti pedesaan didaerah Kalimantan Tengah sangat diperlukan disebabkan belum meratanya pasokan listrik ke semua pelosoknya, hal tersebut karena tidak dapat dijangkaunya jaringan listrik kesuatu wilayah tersebut oleh berada di daerah kawasan yang sulit untuk dijangkau pasokan listrik, padahal didaerah tersebut banyak sumber-sumber air mengalir yang dapat dimanfaatkan.
Penelitian ini bertujuan (1) Mengetahui pengaruh variasi kedalaman sudu terhadap kecepatan putar generator rancang bangun kincir air tipe undershot model 9 sudu tetap. (2) Mengetahui pengaruh variasi kedalaman sudu terhadap daya keluaran generator rancang bangun kincir air tipe undershot model 9 sudu tetap. (3) Mengetahui karakteristik generator dalam menghasilkan daya maksimum. (4) Mengetahui efisiensi kinerja kincir air dalam menghasilkan mengkonversikan daya kincir. (5) Mengetahui efisiensi kinerja Generator dalam menghasilkan energi listrik.
Penelitian ini menggunakan metode eksperimental. Kegiatan yang dilakukan dalam penelitian ini meliputi persiapan dan perancangan kincir air sudu Tetap.
Hasil penelitian menunjukan bahwa (1) Kedalaman sudu sangat berpengaruh terhadap perubahan kecepatan putar generator. Setiap kedalaman sudu memiliki karakter yang berbeda-beda terhadap Kecepatan putar generator. (2) Daya listrik terbesar dimiliki oleh kincir air dengan kedalaman sudu 30 cm dan daya listrik terkecil dimiliki oleh kincir air dengan kedalaman sudu 15 cm. (3) Karakteristik generator menyesuaikan dengan hambatan atau beban yang di berikan pada output generator, Daya maksimum generator yang dihasilkan pada saat dihubung singkat dengan kecepatan putar generator sebesar 151 rpm adalah 115 watt (4) Efesiensi terbesar kinerja kincir air dalam mengkonversikan daya air terjadi kedalaman sudu 0,15 sebesar 0,61% pada kecepatan air 1,44 m/s.
ABSTRACT
This research is started from the necessity of houses' electric energy at isolated area such as village of central borneo. It is needed so much, because electricity supply is not spread evenly yet to all of isolated area. This case happens, because electricity wire cannot reach that area. It caused that area was out of electricity range, although there many water sources which was useful.
This research was aimed to (1) know influence depth blade variation towards rotational speed of waterwheel generator construction of undershot type of 9 permanent blades model. (2) know influence depth blade variation towards output power of waterwheel generator construction of undershot type of 9 permanent blades model. (3) know generator's characteristic in producing maximum power. (4) know efficiency of waterwheel performance in converted waters power .(5) know efficiency of generator performance in producing electric energy.
This study would conduct experimental study. The activities conducted in this study were preparation and waterwheel construction of permanent blades.
The result of study showed that (1) Depth of blade was very influence toward change of generator rotational speed. Every depth of blades provided different characters toward generator rotational speed. (2) the biggest electric power was produced by waterwheel with depth blade about 30 cm, and the smallest was produced with depth blade about 15 cm. (3) generator's characteristic adapted of load or resistance which were burdened on generator output maximum power of generator was produced when short-connected to generator speed rotation about 151 rpm was 115 watt. (4) the biggest efficiency a Float Waterwheel Performance was converted water power the depth of the which was 0,15 cm about 97,26% at velocity of water 1,56 m/s. (5) the biggest efficiency a Float Generator Performance was converted water power the depth of the which was 0,15 cm about 0,61% at velocity of water 1,44 m/
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe 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
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