1,720,958 research outputs found
Providing research-based guidance on geometry and measures for teachers in middle and high schools
No full textThis poster paper reports on a research project that has produced a resource that synthesizes knowledge about the teaching and learning of mathematics in a way that is designed to be useful to teachers working in middle and high schools. The resource consists of a book and a linked website. The evidence synthesized indicates that the teaching of geometry needs to attend to the spatial aspects and the aspects that relate to reasoning with geometrical theory. In teaching topics in measurement, the synthesis indicates that the mathematics of measurement is not straightforward for many learners and may require more attention in school than is sometimes given
A curriculum-based approach to learning trajectories in middle school algebra
Get PDFOur aim is to contribute to the body of research on learning trajectories (LTs) in mathematics by making visible a process for articulating a hypothetical learning trajectory implicit in a widely adopted, reform-based, middle-grades mathematics curriculum. In doing so, we highlight considerations, decisions, and challenges we faced as part of this work. By describing our LT articulation process, our aim is to highlight ways in which curriculum-specific LTs can be articulated to serve as a more proximal and instrumental tool for teachers’ instructional practice. Furthermore, to illustrate we describe how the products of the work were used in practice-based professional learning experiences with middle-grades mathematics teachers.Nuestro objetivo es contribuir al cuerpo de investigación sobre trayectorias de aprendizaje (TA) en matemáticas al hacer visible un proceso para articular una trayectoria de aprendizaje hipotética implícita en un currículo de matemáticas de grado medio ampliamente adoptado y basado en la reforma. Al hacerlo, destacamos las consideraciones, decisiones y desafíos que enfrentamos como parte de este trabajo. Al describir nuestro proceso de articulación de TA, nuestro objetivo es resaltar las formas en que se pueden articular las TA específicas del plan de estudios para que sirvan como una herramienta más próxima e instrumental para la práctica educativa de los maestros. Además, para ilustrar, describimos cómo se usaron los productos del trabajo en experiencias de aprendizaje profesional basadas en la práctica con profesores de matemáticas de grados medios
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe 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
Get PDF“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
Get PDFWe 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
Match between a pre-service elementary mathematics pedagogy module and the content of elementary school mathematics
No full textResearch has revealed that there can be a mismatch between what is taught to undergraduate elementary pre-service teachers during their teacher preparation and what they subsequently teach in elementary school mathematics. In this poster paper we present findings from a study that investigated the extent to which the content topics of the mathematics pedagogy module taught at a major university in Saudi Arabia matched the topics of the elementary school mathematics curriculum. The findings indicate that the module gave heavy emphasis to elementary school number and moderate emphasis to geometry. There was little emphasis on elementary school algebra and data topics
Dispelling the Myths Behind First-author Citation Counts
Get PDFWe 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
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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