1,720,959 research outputs found
Percorsi di insegnamento in chiave pre-algebrica: rappresentazione di problemi e di processi, segni simboli e negoziazione dei loro significati
No full textDopo un capitolo introduttivo sulle tematiche innovative dell'insegnamento nell'area aritmetico algebrica ed una sintesi del progetto ArAl, si presnetano le attività asvolte nell'ambito di un progetto nazionale di formazione insegnanti con modalità di ricerca nelle classi. Il libro raccoglie i risulatti prodotto dagli insegnnatri coinvolti nel progetto. Si documentano analiticamente quattro percorsi didattici sullo studio di problemi verbali algebrici, realizzati a diversi livelli scolari sulla base di uno stesso modello di processo. Dalla loro comparazione è possibile rilevare gli effetti della variabile insegnante nell’interazione di classe e nello sviluppo del processo. Si conclude con ampie riflessioni di ciascun partecipante sulla incidenza del percorso svolto sulle proprie conoscenze e concezioni e la ricaduta sugli allievi sia a livello discilinare che di motiazione alla matematica
Many teams, one better career? A study on the impact of MTM on individual career success
No full textThis study investigates individuals who experience Multiple Team Membership (MTM) with the aim to understand the interplay between MTM and careers. We gathered 6-years longitudinal data of employees working in multiple teams in a mid-sized IT consultancy company, and we investigate how the number of MTMs and its change over time affect employees’ career progression in particular. We highlight a complex relationship between the number of concurrent team memberships and career progression, a relationship that is also contingent on employees’ seniority. Our results suggest that, to increase their probability of career success, individuals need to experience low variability in the number of concurrent team memberships, especially when they are junior members of the organization. However, experiencing an increase in the number of concurrent teams over time is also beneficial for career progression. More broadly, our study contributes to the understanding of how complex organizational arrangements, such as those driven by MTM, affect individual career trajectories. Moreover, it contributes to the growing conversation on MTM, by introducing and investigating different dimensions of concurrent team memberships and their effects on individuals
On the Impact of Multiple Team Membership on a System of Teams’ Performance
No full textIn this study, we investigate the complex and conjoint effects of Multiple Team Membership and other related system design characteristics on the performance of a system composed of teams. This is particularly relevant as organizations increasingly make use of teamwork to achieve their goals and most knowledge workers experience a situation of multi-teaming. In particular, we focus on the concurrent effects of the number of concurrent membership, and teams’ size and overlap. Results indicate that at the system of teams level the relationship between MTM and performance follows a curvilinear, inverted U-shaped relationship. Moreover, team size and team overlap show an effective, negative role in affecting performance. Following this, we propose a topology for MTM systems based on system design characteristics
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
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
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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