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Mixed effects modelling and longitudinal data analysis
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Towards achieving work-life balance in academia: Comments and personal essays from six applied linguists
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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
Introduction to the special issue on Introducing bibliometrics in applied linguistics
Get PDFIt is healthy and normal for an academic discipline to reflect on its publication conventions and practices, its incentive structures, and so forth. As social scientists, it is also natural for us to want to do so in a manner that is systematic and that employs well-established empirical methods, that is, by engaging in bibliometrics (see brief history of bibliometrics in Lei et al., this issue)
Study quality in SLA : a cumulative and developmental assessment of designs, analyses, reporting practices, and outcomes in quantitative L2 research
Get PDFI began this study with two assumptions. Assumption 1: Study quality matters. If the means by which researchers design, carry out, and report on their studies lack in rigor or transparency, theory and practice are likely to be misguided or at least decelerated. Assumption 2 is an implication of Assumption 1: Quality should be measured rather than assumed. Although peer reviews and researcher training in second language acquisition (SLA) are generally considered to be acceptable and thorough, there is very little evidence of the extent of methodological rigor, consistency, and transparency across second language (L2) research.Beyond these assumptions, this study drew from previous research in several different fields. Central to this paper was the research on study quality which has received considerable attention in the context of research synthetic and meta-analytic methods. Because of the shared historical and methodological tradition of SLA and psychology (e.g., Gass, 1993), I consulted as well the American Psychological Association's guidelines for research when developing the instrument used in this study. Much of the empirical motivation for this project also came from within the field of SLA. Previous reviews have raised concerns about methodological practices across a number of subdomains, warranting further and more comprehensive investigation.The first two of four questions posed by the present study asked about the use of study designs and analyses (RQ1) and reporting practices (RQ2) in L2 research. My third question sought to measure the relationship between research practices and outcomes (i.e., effect sizes) found in L2 research (see Plonsky & Gass, 2011). And research question four asked whether and to what extent research practices and outcomes in SLA have changed in recent years. The purpose underlying these questions and the study more generally was not only to better understand conventions in the field but to inform future research practices as well.In order to answer these questions and meet the study's larger purpose, a representative sample of L2 research published in two L2 journals from 1990 to 2010 was collected. Using research synthetic techniques, I surveyed the sample of studies, 606 in total, using a modified version of the instrument used by Plonsky and Gass (2011) in their investigation of study quality in the interactionist tradition of SLA. The coding scheme was designed to extract information related to study identification, design features, analyses, reporting practices, and effect sizes. Descriptive statistics were then calculated for study features to answer the research questions.The overall results of this study point to a number of systematic strengths as well as many flaws across the corpus of L2 research. Of particular concern are incomplete and inconsistent reporting practices (e.g., means without standard deviations) and low statistical power, among other issues. Somewhat surprisingly and in contrast to previous findings (e.g., Plonsky, in press), there was very little evidence of a relationship between study quality and effect sizes, a finding that may reflect the broad substantive scope of the study and field. Finally, comparing research practices over the 1990s and 2000s, I found substantial improvements in almost all categories.The discussion situates the results in terms of reviews from SLA and other fields (e.g., education; Skidmore & Thompson, 2010), shedding light on the methodological and analytical trends and trajectories observed. Based on the findings of the study, I make pointed suggestions for methodological reforms to be enacted by institutions such as the American Association for Applied Linguistics and individuals (e.g., independent researchers, journal editors).Thesis (Ph. D.)--Michigan State University. Second Language Studies, 2011Includes bibliographical reference
Professional Development in Applied Linguistics A Guide to Success for Graduate Students and Early Career Faculty
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