(1998). A new classification system to describe the ageing of scientific journals and their impact factors. Journal of Documentation, 54 , 387–419.Henk F. Moed, Theodorus N. Van Leeuwen, and Jan Reedijk. A new classifi- cation system to describe the ageing of scientific journals and their...
Journal impact factors: their relevance and their influence on society-published scientific journals. Am Mineral 2013; 98: 1055-65... K Putirka,M Kunz,I Swainson,... - 《American Mineralogist》 被引量: 0发表: 2013年 What is the impact of advanced primary care nursing roles on patients, ...
JCR中,期刊影响因子(JIF,Journals Impact Factor)是指该刊前两年发表的文献在当前年的平均被引用次数。影响因子越高,刊物的学术水平越高。 A. 正确 B. 错误 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > 手机使用 分享 反馈 收藏 举报 ...
Because a preoccupation with journal impact factors can potentially skew or hinder scientific progress, researchers and their employers and funders should consider the impact factor as only one indicator of journal reputation and seek to value high锕抲ality research and the advancement of knowledge over...
Fig. 1 compares the distributions presented in the old study’s Figure 5 of the number of journals and their citation impact across INO-P classes with the new results, based on the 4 citable document types only, and in which the number of documents with author affiliation countries is used...
Self-citations in six anaesthesia journals and their significance in determining the impact factor - ScienceDirect Self-citation of a journal may affect its impact factor. We investigated self-citations in the 1995 and 1996 issues of six anaesthesia journals by calculat... A Fassoulaki,A Parask...
Loans are the only way to finance a degree for many college students and their families. Undergraduates can borrow as much as $12,500 a year, or around a total of $57,500 from federal student funds. Graduate students can access a total of $138,500. However, loans are not free money,...
A new classification system to describe the ageing of scientific journals and their impact factors During the past decades, journal impact data obtained from the Journal Citation Reports (JCR) have gained relevance in library management, research managem... HF Moed,TN Van Leeuwen,J Reedijk - 《Jo...
This approach has been mostly unexplored and is open to analysis by researchers who wish to try new challenges. Below I Acknowledgment The author thanks Karen Shashok for improving the use of English in the manuscript and three anonymous referees for their suggestions....
The purpose of this paper was to present the impact factor, examine the main limitations in its calculation and applications and to give a general overview of the impact factor of education journals for the period 2000–2005. Several problems related to the calculation of the impact factor have...