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Over a million journal articles had been shared on public Facebook pages by 2017, but little is known about who is sharing (posting links to) these papers and whether mention counts could be an impact indicator. This study classified users who had posted about 749 links on Facebook before October 2017 mentioning 500 medical and health‐related research articles, obtained using altmetric.com data. Most accounts (68%) belonged to groups, including online communities, journals, academic organizations, and societies. Of individual profiles, academics accounted for only 4%, but the largest group were health care professionals (16%). More than half (58%) of all Facebook accounts examined were not academic. The non‐academic dominance suggests that public Facebook posts linking to health‐related articles are mostly used to facilitate scientific knowledge flow between non‐academic professionals and the public. Therefore, Facebook mention counts may be a combined academic and non‐academic attention indicator in the health and medical domains.  相似文献   
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This survey investigates the extent to which Iranian academic library managers need managerial skills and the influence of their level of seniority on this need. The results revealed that, in general, managers' need for managerial skills is high especially “people related skills” over “analytical and self-related skills” and “task related skills”. Analysis of the mean scores of skills across three levels of managers shows that the middle level managers' need for managerial skills is higher than top managers and supervisors. Overall, most respondents ranked “creating organizational climate” as the skill most needed while few said they needed development for “counseling subordinates.”  相似文献   
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Studying everyday life information seeking (ELIS) in a variety of contexts contributes to its conceptual development. The primary goal of this study was to understand ELIS in the context of female university students' coping with daily hassles. To identify the dimensions and determinants of ELIS, and to fill this current gap in the literature, a grounded theory study was conducted using Flick's stages of episodic interviewing with 21 Iranian female first-year university students. Data were collected through semistructured interviews and analyzed through open, axial and selective coding. The findings showed that ELIS in coping with daily hassles is a multidimensional phenomenon that is affected by individuals' characteristics and sociocultural norms and values. Three main categories emerged as determinants of ELIS, namely normative status of the daily hassles, normative status of the information resources, and the individual's characteristics. Two main categories emerged as dimensions of ELIS which were type and strategy of action. Results of this study can contribute to the conceptual development of ELIS and may indicate how and in what circumstances ELIS dimensions emerge. The findings can also be used as a basis for developing information and intervention services in the context of coping with daily hassles.  相似文献   
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In this article, attempts were made to examine students’ thinking about the concepts of infinity and their ideas about transiting from finite to infinite states through the concept of limits of sequences. The participants included 78 senior high-school students ranging in age between 17 and 19 years old. The data were collected through a questionnaire and an interview with all of the subjects. The findings showed that the students’ understanding of infinity is related to finite situations and many students consider infinite processes as a generalized form of finite processes. In the present study, the most common mistakes committed by students were related to consideration of infinity as a number and application of known finite results to infinite states.  相似文献   
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