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【目的】分析P指数在中国SCI期刊评价中的适用性,从而促进中国SCI期刊评价体系的完善。【方法】以中国大陆及香港地区SCI期刊在2014年度《期刊引证报告》(Journal Citation Reports,简称JCR)的主要文献计量指标为研究对象,系统研究P指数分别用于不同学科和同一学科中国SCI期刊评价的有效性,分析P指数与被JCR收录后的总被引次数(C)、影响因子(IF)、5年影响因子(IF5)、被JCR收录后的总载文量(N)和平均被引率(C/N)的关系,并进行相关性分析。将P指数和h指数对中国SCI期刊评价的适用性进行对比。【结果】P指数与中国SCI期刊的总被引次数、影响因子、5年影响因子、总载文量、平均被引率具有较强的相关性,能够较好地反映期刊的规模和影响力。P指数对同一学科SCI期刊比不同学科SCI期刊的评价更具优势。【结论】P指数延续了h指数的优点,并具有更强的区分度,对优秀学术期刊的识别能力比较突出,使期刊评价更加科学,具有更加广泛的实用意义。
【Objective】 To analyze the applicability of P-index in the evaluation of China’s SCI journals so as to improve the evaluation system of China’s SCI journals. 【Method】 Taking the main bibliometric indexes of Journal Citation Reports (JCR) of SCI journals in Mainland China and Hong Kong as the research objects, the P-index was systematically used in different disciplines and the same subject China SCI (C), IF (IF), IF5 (five years), total number of articles (J) after JCR and The average lead rate (C / N) relationship, and correlation analysis. Comparing the applicability of P index and h index to the evaluation of China SCI journals. 【Results】 The P-index has a strong correlation with the total number of citations, impact factors, five-year impact factors, total amount of articles and average rate cited in China’s SCI journals, and can well reflect the size and influence of journals. The P-index is more advantageous to the evaluation of SCI journals of the same subject than SCI journals of different disciplines. 【Conclusion】 The P-index lays the merits of the h-index and has a stronger degree of differentiation. It has a prominent ability of recognizing excellent academic journals and makes the evaluation of journals more scientific and has more extensive practical significance.