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    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

    Profile of conceptual understranding in subtraction among grade 2 madrasah ibtidaiyah

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    Understanding the concept of subtraction is a critical component of mathematics education at the elementary level, particularly for second-grade students in Madrasah Ibtidaiyah. The objective of this research is to analyze students\u27 understanding of the concept of subtraction through a qualitative approach using an exploratory descriptive method. Data were collected through descriptive tests, interviews, and documentation involving second-grade students of MI Islamiyah. The results revealed a variation in conceptual understanding among students, with some employing formal methods such as stacked counting, while others utilized visual strategies such as line counting. The findings underscore the significance of understanding place value and employing effective subtraction strategies in enhancing students\u27 comprehension. This study concludes that there is a necessity for a more comprehensive learning approach and personalized guidance to facilitate students\u27 thorough mastery of the concept of subtractio

    DEVELOPMENT OF MONTESSORI BASED-MULTIPLICATION PROPS FOR ELEMENTARY SCHOOL

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    Abstract This study aims to describe the procedure of developing multiplication teaching props based on the Montessori method and to analyze students' responses to the Montessori multiplication props. Research and Development method through the ADDIE model was used in this research. The subjects of this study were 28 second-grade students at MIN 1 Malang City. Data collection was employed through questionnaires, interviews, observations, and documentation. Data analysis techniques encompassed both quantitative and qualitative data analysis. This research resulted in Montessori-based multiplication teaching props. The validation result of media products met very valid criteria, with scores of 80 from the material validator, 94 from the media design validator, and 86 from the expert validator. This media is equipped with components that are easy to understand and easy to use, as students scored  81% with positive criteria. Therefore, it can be concluded that students responded positively to the Montessori-based multiplication teaching props as a tool for mathematics learning.Abstract This study aims to describe the procedure of developing multiplication teaching props based on the Montessori method and to analyze students' responses to the Montessori multiplication props. Research and Development method through the ADDIE model was used in this research. The subjects of this study were 28 second-grade students at MIN 1 Malang City. Data collection was employed through questionnaires, interviews, observations, and documentation. Data analysis techniques encompassed both quantitative and qualitative data analysis. This research resulted in Montessori-based multiplication teaching props. The validation result of media products met very valid criteria, with scores of 80 from the material validator, 94 from the media design validator, and 86 from the expert validator. This media is equipped with components that are easy to understand and easy to use, as students scored  81% with positive criteria. Therefore, it can be concluded that students responded positively to the Montessori-based multiplication teaching props as a tool for mathematics learning
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