1,720,974 research outputs found
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
Exploring the Interrelationships of Cognition and Social Communication through Development of the Profile of Pragmatic Impairment in Communication in Individuals with Traumatic Brain Injury
No full textDeficits in social functioning are common following traumatic brain injury (TBI). Previous research suggests that there are multiple, complex factors which underlie such deficits, including cognition and social communication. Standardized measurement of social communication following TBI is challenging, and often involves the use of structured rating scales. The Profile of Pragmatic Impairment in Communication (PPIC) is one such scale that shows promise, though it requires further development and empirical testing to improve its utility in the TBI population. The current study is archival in nature. Data were obtained from two prior study samples in projects investigating social communication in the community dwelling adult TBI population: the social communication assessment measures study (SCA study, N = 121) and a randomized clinical trial for social communication intervention (IPR study, N = 83). In order to further develop the PPIC and examine the underlying cognitive abilities which impact social pragmatics, the 84 behavioral items of the PPIC were reduced to a set of 20 items deemed to be most characteristic of social communication difficulties following TBI. These 20 items were analyzed using exploratory factor analysis. Following an iterative process, a two factor solution accounting for 60.77% of the total variance was obtained, and it included 9 of the 20 originally selected items. These factors were labeled Partner Sensitivity (5 items) and Conversational Flow (4 items), and subscale scores were created by summing the item scores within each factor. The cognitive underpinnings of social pragmatics as measured by the new PPIC subscales were examined using hierarchical linear regression, using measures of attention, executive functioning, and affect perception as predictor variables and the new PPIC subscale scores, AIPSS Overall Sending score, and the TIRR Social Communication Rating Form (an experimental measure) as outcome variables. After adjusting for demographic and injury-related variables, performance on cognitive measures accounted for a unique 22% of the variance in PPIC Conversational Flow scores and 17% of the variance in AIPSS Overall Sending scores, while performance on cognitive measures did not account for a statistically significant amount of unique variance in PPIC Partner Sensitivity scores or TIRR Social Communication Rating Form scores. These results represent important preliminary steps in the development of the PPIC into a more parsimonious and useful tool and in developing a more sophisticated understanding of the relationship between cognition, social communication, and social functioning in TBI.Psychology, Department o
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
Arch Phys Med Rehabil
Get PDFObjective:To conduct a scoping review of mild stroke definitions based on stroke severity assessments and/or clinical signs and symptoms reported in the literature.Data Sources:Electronic searches of PubMed, PsycINFO (Ovid), and CINAHL (EBSCO) databases included keyword combinations of mild stroke, minor stroke, mini stroke, mild cerebrovascular, minor cerebrovascular, transient ischemic attack, or TIA.Study Selection:Inclusion criteria were limited to articles published between January 2003 and February 2018. Inclusion criteria included (1) a definition of either mild or minor stroke, (2) written in English, (3) participants aged 18 years and older. Animal studies, reviews, dissertations, blogs, editorials, commentaries, case reports, newsletters, drug trials, and presentation abstracts were excluded.Data Extraction:Five reviewers independently screened titles and abstracts for inclusion and exclusion criteria. Two reviewers independently screened each full-text article for eligibility. The five reviewers checked the quality of the included full-text articles for accuracy. Data were extracted by two reviewers and verified by a third reviewer.Data Synthesis:Sixty-two studies were included in the final review. Ten unique definitions of mild stroke using stroke severity assessments were discovered, and ten different cutoff points were used with the most widely used measure to classify stroke severity \u2013 the National Institutes of Health Stroke Scale (NIHSS). Synthesis also revealed variations in stroke severity across years, time since stroke, imaging, medical indicators, clinical signs and symptoms and settings.Conclusions:Inconsistencies in the classification of mild stroke are evident with varying use of stroke severity assessments, measurement cut-off scores, imaging tools, and clinical or functional outcomes. Continued work is necessary to develop a consensus definition of mild stroke, which directly impacts treatment receipt, referral for services, and health service delivery.R24 HS022134/HS/AHRQ HHSUnited States/P30 AG059301/AG/NIA NIH HHSUnited States/90SFGE0002/ACL/ACL HHSUnited States/U48 DP000028/DP/NCCDPHP CDC HHSUnited States/90DPTB0016/ACL/ACL HHSUnited States/P30 AG024832/AG/NIA NIH HHSUnited States
Arch Phys Med Rehabil
Get PDFObjectiveTo evaluate the effectiveness of an educational intervention designed to reduce traumatic brain injury (TBI)\u2013related misconceptions among blacks and Latinos with complicated mild to severe TBI.DesignRandomized controlled trial with masked 1-month follow-up.SettingCommunity.ParticipantsPersons (N = 52) with complicated mild to severe TBI (mean best day 1 Glasgow Coma Scale score, 11.27\ub13.89) were randomly recruited from 141 eligible participants (mean age, 37.71\ub113.88y; age range, 19\u201366y; mean months postinjury, 24.69\ub111.50); 25 participants (48.1%) of participants were black and 27 (51.9%) were Hispanic/Latino. Of the Hispanic/Latino participants, 18 (66.7%) were non-U.S. born and 12 (44.4%) spoke Spanish as their primary language. Twenty-seven individuals were randomized to the educational intervention group and 25 were randomized to the wait-list control group.InterventionsSingle-session educational intervention with written materials provided in English or Spanish.Main Outcome MeasuresForty-item Common Misconceptions about Traumatic Brain Injury Questionnaire administered at baseline and 1-month follow-up.ResultsAfter controlling for ethnic and language differences, a significant between-group main effect (P = .010) and a significant time-group interaction for the Common Misconceptions about Traumatic Brain Injury Questionnaire were noted (Wilks \u39b = .89; F1,46 = 6.00; P = .02). The intervention group showed a decrease in TBI misconception percentages, whereas the wait-list control group maintained similar percentages. At 1-month follow-up, the wait-list control group reported more misconceptions than did the intervention group (P = .019).ConclusionsAn educational intervention developed to address the recovery process, common symptoms, and ways to handle the symptoms provides promise as a tool to decrease TBI misconceptions among persons from ethnically and educationally diverse backgrounds. The effects of therapist characteristics and the client-therapist relation on outcomes should be further explored.P30 AG024832/AG/NIA NIH HHS/United StatesR24 HS022134/HS/AHRQ HHS/United StatesU48 DP000028/DP/NCCDPHP CDC HHS/United StatesU48 DP000060/DP/NCCDPHP CDC HHS/United State
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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