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在前期研究中,笔者团队发现中国63个学科期刊平均自引率与学科大小偶尔会存在相关性,并且还发现学科期刊平均自引率与学科被引集中度也具有一定的关系。为了进一步研究中国各学科期刊平均自引率与学科大小和学科被引集中度的关系,本研究以2013—2016年版中国知网《中国学术期刊影响力年报(自然科学与工程技术)》(统计年为2012—2014)的4年数据为基础,对我国63个学科约4 000种期刊的自引情况进行分析。结果发现:(1)由于学科的交叉性越来越强,学科期刊平均自引率与学科大小越不具有相关性,同时学科平均被引集中度也与学科大小无关;(2)学科期刊平均自引率与学科平均被引集中度存在显著的负相关,低的学科期刊平均自引率具有较高的扩散性;(3)中国学术期刊的引用中,期刊自身引用起了很大作用,体现了科研成果报道的延续性。
In the previous study, the team found that there was a correlation between the average self-citation rate of 63 academic journals in China and the size of the subject, and also found that the average self-citation rate of subject journals also had a certain relationship with the degree of discipline being cited. In order to further study the relationship between the average self-citation rate of Chinese journals and the degree of subject size and discipline being cited, this study uses the 2013-2016 edition of China National Knowledge Infrastructure Annual Report (Natural Science and Engineering Technology) (Statistical Year Based on the 4-year data of 2012-2014, we analyzed the self-introduction of some 4 000 journals in 63 disciplines in our country. The results are as follows: (1) Due to the increasingly interdisciplinary nature, the average self-citation rate of subject journals is not related to the subject size, meanwhile, the average degree of subject being catered for is also independent of subject size; (2) (3) In the citations of Chinese academic journals, journals themselves play a significant role in citation, which reflects that scientific research Continuation of results reported.