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文献选择是文献采集的核心,文献选择的基本原理是在成本相同的情况下,优先选择概率使用价值大的文献。文献的概率使用价值运用层次分析法分解后,需要一个相应的描述空间来实现,即公共描述框架。公共描述框架是一个文献集的学科等级结构框架,文献采集指标体系中与用户有关的准则可以基于这个框架加以分解。 相似文献
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This study represents the first phase of an ongoing research program aimed at identifying the dimensions of reading attitude and determining how these dimensions relate to a broader range of variables such as reading achievement, scholastic aptitude, classroom behavior, and cognitive styles. The 150 items which comprise the experimental edition of A Survey of Reading Altitudes (Wallbrown, Brown, & Engin, 1974) were factor analyzed along with measures of scholastic aptitude, reading vocabulary, and reading comprehension. The analysis was based on the responses of 853 intermediate grade students. The attitude items were presented orally to control for reading problems, but the students also had booklets so they could read the items to themselves. Seven independent dimensions of reading attitude and one reading achievement factor were identified, interpreted, and discussed. The findings are encouraging, since they suggest that investigating the expressed reading attitudes of intermediate grade children constitutes a promising line of educational research. 相似文献
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中部崛起视角中的教育发展战略 总被引:1,自引:0,他引:1
从全面建设小康社会,构建社会主义和谐社会的高度认识中部崛起的战略意义,已成为国家决策者和广大国民的共识,尤其是处于中部地区的六省,更是倍受鼓舞、积极响应.据<光明日报>2005年4月6日报道,在谋求崛起的实践中,中部各省探索打破区划和行业等壁垒,实施城市群发展战略. 相似文献
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Brian Klebig Joanna Goldonowicz Elisa Mendes Ann Neville Miller James Katt 《Communication Research Reports》2016,33(2):152-158
This study investigated the combined role of instructor communication variables (nonverbal immediacy and self-disclosure), instructor credibility (competence, caring, and trustworthiness), and student personality traits (extraversion, neuroticism, agreeableness, conscientiousness, and openness) in predicting students’ uncivil behaviors in class. A total of 406 students completed online questionnaires regarding the instructor of the class they attended prior to the one in which the study was administered. Personality and instructor behavior variables contributed approximately equally to explaining variance in student incivility. Students’ conscientiousness and agreeableness had direct negative relationships with incivility, whereas instructors’ amount and negativity of self-disclosure had direct positive relationships with incivility. 相似文献
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Ann Barrett Melissa Helwig Karen Neves 《Journal of the Medical Library Association》2016,104(2):118-124
Objectives
This study describes the literature of hospital pharmacy and identifies the journals most commonly cited by authors in the field, the publication types most frequently cited, the age of citations, and the indexing access to core journals. The study also looks at differing citation practices between journals with a wide audience compared to a national journal with a focus on regional issues and trends in the field.Method
Cited references from five discipline-specific source journals were collected and analyzed for publication type and age. Two sets were created for comparison. Bradford''s Law of Scattering was applied to both sets to determine the most frequently cited journals.Results
Three-quarters of all cited items were published within the last 10 years (71%), and journal articles were the most heavily cited publication type (n=65,760, 87%). Citation analysis revealed 26 journal titles in Zone 1, 177 journal titles in Zone 2, and the remaining were scattered across 3,886 titles. Analysis of a national journal revealed Zone 1 comprised 9 titles. Comparison of the 2 sets revealed that Zone 1 titles overlapped, with the exception of 2 titles that were geographically focused in the national title.Conclusion
Hospital pharmacy literature draws heavily from its own discipline-specific sources but equally from core general and specialty medical journals. Indexing of cited journals is complete in PubMed and EMBASE but lacking in International Pharmaceutical Abstracts. Gray literature is a significant information source in the field. 相似文献17.
文章认为,变现部分国有资产是我国建立社会保障体系和国有经济调整与改组的必然要求。一方面,由于社会保障基金的巨大的缺口,作为一种历史欠债,只能通过变现部分国有资产来偿还。另一方面,由于我国国有经济的战略性调整与改组都需要有部分国有资本通过流动变现与重组来实现。由于国有资本在变现、流动过程中发生的只是形态的转换,因此,不存在私有化问题。同时,只要变现方式得当,各项预定目的是可以实现的。 相似文献
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非公有制经济的合宪性是其宪法地位确立的前提条件,社会主义市场经济制度的确立是非公有制经济合宪性的基础.我国非公有制经济的宪法地位是随着社会主义市场经济体制逐步建立,在1982宪法的基础上,经过1988年、1993年两次修改后,逐步确立起来的,而随后的1999年、2004年两次修宪则实现了非公有制经济的宪法地位的提升. 相似文献
20.
Two large independent sources of data, NSF's University Science Statistics Program Integrated Data Base and CHI Research's bibliometric data base, are brought together in a comprehensive study of the relationships among research resources, as measured by R&D expenditures, and research output, as measured by the quantity and visibility of scientific journal articles. The study is based on approximately 500 U.S. colleges and universities. For each of 11 fields of science, there is strong indication of a linear relationship between R&D expenditures and number of papers. The evidence also indicates a positive relationship between number of cites received per paper and number of papers published, but only for papers published in the basic research journals of the fields of chemistry, physics, and biology. 相似文献