新期刊质量的CiteScore指数挑战影响因子,为时尚早

2016-12-17 张发宝 梅斯医学

12月8日,出版业巨头Elsevier发布了评估期刊质量的CiteScore指数(影响因子的重量级对手来了--CiteScore问世)。大家都认为它能挑战大家心目中金标准---影响因子评价体系。CiteScore的排名计算公式在很大程度上模仿了现在最具影响力的期刊影响因子(JIF)体系,做了一些调整 。据梅斯医学最新的分析表明,2015年涵盖的期刊数量达到22209种,是JIF的两倍以上。与201

张发宝/梅斯医学


12月8日,出版业巨头Elsevier发布了评估期刊质量的CiteScore指数(影响因子的重量级对手来了--CiteScore问世)。大家都认为它能挑战大家心目中金标准---影响因子评价体系。


CiteScore的排名计算公式在很大程度上模仿了现在最具影响力的期刊影响因子(JIF)体系,做了一些调整 。据梅斯医学最新的分析表明,2015年涵盖的期刊数量达到22209种,是JIF的两倍以上。与2014(共21504种),2013年(20796种)相比,每年都会新增700种期刊左右,数量惊人。同时,在统计口径方面也有一些差别。



先说一下CiteScore的好处:


(1)期刊涵盖数量众多

(2)影响因子不再按前两年发文数量和引用数量评价,而是三年,覆盖面也更广一些,兼顾了当年影响因子与5年影响因子两个数值的特点

(3)不再区分综述,article,评论和letter一类文章的权重。


上述三个特点,使得过去一些玩擦边球的期刊受损。例如一些新刊,以发表综述为主,拉升影响因子(不计入文章数量,但却计入影响因子)。这一招被广泛采用,效果“良好”!对拉升影响因子极有好处。但是,这些期刊在CiteScore背景下,就会被打回原型!


然而,在医学领域出了相反的局面。象NEJM,Lancet经常发表一些case report,letter或评论性文章,而且量并不小。但是case report被引用的次数是极少的,主要用于医学教育使用。大量这些文章出现,也被统计成文章源,这样极大拉低了这些“名刊的”CiteScore指数值。因此,在新的CiteScore统计下,Lancet很惨淡,详细见:https://www.medsci.cn/sci/journal.do?id=69324551,在综合医学中仅排名第25位(共1549种期刊),虽然仍然在top 10以内,但是第25位确实有点碍眼,指数也仅7.72。同样,NEJM影响也很大,见:https://www.medsci.cn/sci/journal.do?id=c0b15049, 仅排综合医学第17位,令人难以置信,仅12.5分。JAMA也仅29位,仅6.75分。BMJ仅1.46分了。不过神刊CA因为没有这一类文章,仍然高居所有期刊第一位!为66.45分。


仅从上面四大医学期刊的评价来看,CiteScore尚值得商榷。如果在这种机制引导下,所有刊物都不应该发表letter, case report或评论性文章了。但是医学是科学,评论仍然是相当重要的,有些case report也是具有教育意义的。如果把它与article并列去看,计算引用率,确实有失偏颇。这也可能是CiteScore在确立之初,没有考虑到这一顾虑。而影响因子一直关注这一块(其实工作量很大,每年需要把这部分文章剔除),使得排名相对客观公正,符合人们的心理预期。也正因为此,影响因子逐步深入人心,成为期刊质量评价的金标准。


CiteScore还有一段路要走


相反,有些期刊全面获益,尤其是近年来OA期刊,象PLoS One,成为三个子分类的Q1分区,非常高,详细见:https://www.medsci.cn/sci/journal.do?id=e9857698,指数也达到3.32,远远超过BMJ。Sci Rep更是高达5.3,处于综合类刊物Q1区,详细见:https://www.medsci.cn/sci/journal.do?id=017012086.主要有两个原因:一是这类刊物基本不发表评论或case report一类低引用率短文,第二,每年刊载文章数量巨大,因此,两年还是三年评价,影响相对较小,所以使得影响因子与CiteScore指数几乎一致。而一些牛刊,总是刊登刊学科前沿内容,当年和次年引用率极高,但是三年以后,就不再是主流,相对引用率下降一些,也是正常的。因此,在三年的评价体系中,就“吃亏”一些。


另外,虽然CiteScore收录期刊达22000多种,但是一些早就在SCI源中的刊物却没有入法眼,如中国的《科学通报》,Bone Research,却没有被收录。实际上,中国还有其它一些刊物也没有被收录。可能是因为国内刊物没有“主动”递交申请吧。毕竟Scopus数据库也不是万能的。


CiteScore使得OA期刊获益,是利还是弊?尤其是OA期刊仍然存在巨大争议的时候,CiteScore是江湖救急,还是神马意思?


出版巨头Elsevier其实是想争江湖地位的!但是,一个指数推出需要经过大量验证才能被用户认同。甚至与期刊进行搏弈后的结果。至少当下,CiteScore还是不成熟的。


但是,不管怎么说,创新总是好的,虽然不完善。因此,梅斯医学第一时间就把CiteScore收录在网站上,大家可以查询到期刊的CiteScore指数,以及在各个不同学科中的排名状况,权且作为参考吧。


至于CiteScore怎么评价,或是影响因子,每个人心中都有一杆称!一个优秀期刊,也不是一天形成的。


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    2016-12-19 docwu2019
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    2016-12-17 jihuaijun1112

    不错不错。。。。。。。。。

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=1738510, encodeId=c9341e38510a0, content=<a href='/topic/show?id=a9dd4e63c4' target=_blank style='color:#2F92EE;'>#CIT#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4763, encryptionId=a9dd4e63c4, topicName=CIT)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=eabf34462441, createdName=12498877m109暂无昵称, createdTime=Tue Aug 29 15:00:00 CST 2017, time=2017-08-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1561989, encodeId=2a5915619891c, content=<a href='/topic/show?id=309f509e9a' target=_blank style='color:#2F92EE;'>#CORE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5097, encryptionId=309f509e9a, topicName=CORE)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=docwu2019, createdTime=Mon Dec 19 02:00:00 CST 2016, time=2016-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163596, encodeId=3c4016359653, content=不错不错。。。。。。。。。, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzR8ylhYfiaoAUx2BsaYHVia1IKhG3Cg8CT84rBrn6iaVRkyAibJxBcLEXabOQ5p19vWgDe34ib5ErxNgx/0, createdBy=8a701629084, createdName=jihuaijun1112, createdTime=Sat Dec 17 19:38:52 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163585, encodeId=dfd116358588, content=收藏了看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20161224/IMG585DA5E26B9F44696.jpg, createdBy=565a98798, createdName=susice, createdTime=Sat Dec 17 18:18:20 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163535, encodeId=816016353515, content=文章不错,值得学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=5, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Sat Dec 17 12:55:11 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163529, encodeId=1b3e16352912, content=值得看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=19061994286, createdName=1e1b1150m51(暂无匿称), createdTime=Sat Dec 17 12:54:04 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163515, encodeId=b07416351502, content=新期刊挑战, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLBkyaelI9ia3n9SbuKmBdaY0PqCOzd0nhRUstroXmUmXZ5EBTmibtLEvCCIpyHAqxQXGfZz49ibrwjkg/0, createdBy=39781652829, createdName=雾夜芭蕾, createdTime=Sat Dec 17 12:38:35 CST 2016, time=2016-12-17, status=1, ipAttribution=)]
    2016-12-17 susice

    收藏了看看

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=1738510, encodeId=c9341e38510a0, content=<a href='/topic/show?id=a9dd4e63c4' target=_blank style='color:#2F92EE;'>#CIT#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4763, encryptionId=a9dd4e63c4, topicName=CIT)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=eabf34462441, createdName=12498877m109暂无昵称, createdTime=Tue Aug 29 15:00:00 CST 2017, time=2017-08-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1561989, encodeId=2a5915619891c, content=<a href='/topic/show?id=309f509e9a' target=_blank style='color:#2F92EE;'>#CORE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5097, encryptionId=309f509e9a, topicName=CORE)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=docwu2019, createdTime=Mon Dec 19 02:00:00 CST 2016, time=2016-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163596, encodeId=3c4016359653, content=不错不错。。。。。。。。。, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzR8ylhYfiaoAUx2BsaYHVia1IKhG3Cg8CT84rBrn6iaVRkyAibJxBcLEXabOQ5p19vWgDe34ib5ErxNgx/0, createdBy=8a701629084, createdName=jihuaijun1112, createdTime=Sat Dec 17 19:38:52 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163585, encodeId=dfd116358588, content=收藏了看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20161224/IMG585DA5E26B9F44696.jpg, createdBy=565a98798, createdName=susice, createdTime=Sat Dec 17 18:18:20 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163535, encodeId=816016353515, content=文章不错,值得学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=5, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Sat Dec 17 12:55:11 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163529, encodeId=1b3e16352912, content=值得看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=19061994286, createdName=1e1b1150m51(暂无匿称), createdTime=Sat Dec 17 12:54:04 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163515, encodeId=b07416351502, content=新期刊挑战, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLBkyaelI9ia3n9SbuKmBdaY0PqCOzd0nhRUstroXmUmXZ5EBTmibtLEvCCIpyHAqxQXGfZz49ibrwjkg/0, createdBy=39781652829, createdName=雾夜芭蕾, createdTime=Sat Dec 17 12:38:35 CST 2016, time=2016-12-17, status=1, ipAttribution=)]
    2016-12-17 1e10c84am36(暂无匿称)

    文章不错,值得学习

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1738510, encodeId=c9341e38510a0, content=<a href='/topic/show?id=a9dd4e63c4' target=_blank style='color:#2F92EE;'>#CIT#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4763, encryptionId=a9dd4e63c4, topicName=CIT)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=eabf34462441, createdName=12498877m109暂无昵称, createdTime=Tue Aug 29 15:00:00 CST 2017, time=2017-08-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1561989, encodeId=2a5915619891c, content=<a href='/topic/show?id=309f509e9a' target=_blank style='color:#2F92EE;'>#CORE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5097, encryptionId=309f509e9a, topicName=CORE)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=docwu2019, createdTime=Mon Dec 19 02:00:00 CST 2016, time=2016-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163596, encodeId=3c4016359653, content=不错不错。。。。。。。。。, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzR8ylhYfiaoAUx2BsaYHVia1IKhG3Cg8CT84rBrn6iaVRkyAibJxBcLEXabOQ5p19vWgDe34ib5ErxNgx/0, createdBy=8a701629084, createdName=jihuaijun1112, createdTime=Sat Dec 17 19:38:52 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163585, encodeId=dfd116358588, content=收藏了看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20161224/IMG585DA5E26B9F44696.jpg, createdBy=565a98798, createdName=susice, createdTime=Sat Dec 17 18:18:20 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163535, encodeId=816016353515, content=文章不错,值得学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=5, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Sat Dec 17 12:55:11 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163529, encodeId=1b3e16352912, content=值得看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=19061994286, createdName=1e1b1150m51(暂无匿称), createdTime=Sat Dec 17 12:54:04 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163515, encodeId=b07416351502, content=新期刊挑战, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLBkyaelI9ia3n9SbuKmBdaY0PqCOzd0nhRUstroXmUmXZ5EBTmibtLEvCCIpyHAqxQXGfZz49ibrwjkg/0, createdBy=39781652829, createdName=雾夜芭蕾, createdTime=Sat Dec 17 12:38:35 CST 2016, time=2016-12-17, status=1, ipAttribution=)]
    2016-12-17 1e1b1150m51(暂无匿称)

    值得看看

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1738510, encodeId=c9341e38510a0, content=<a href='/topic/show?id=a9dd4e63c4' target=_blank style='color:#2F92EE;'>#CIT#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4763, encryptionId=a9dd4e63c4, topicName=CIT)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=eabf34462441, createdName=12498877m109暂无昵称, createdTime=Tue Aug 29 15:00:00 CST 2017, time=2017-08-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1561989, encodeId=2a5915619891c, content=<a href='/topic/show?id=309f509e9a' target=_blank style='color:#2F92EE;'>#CORE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5097, encryptionId=309f509e9a, topicName=CORE)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=docwu2019, createdTime=Mon Dec 19 02:00:00 CST 2016, time=2016-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163596, encodeId=3c4016359653, content=不错不错。。。。。。。。。, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzR8ylhYfiaoAUx2BsaYHVia1IKhG3Cg8CT84rBrn6iaVRkyAibJxBcLEXabOQ5p19vWgDe34ib5ErxNgx/0, createdBy=8a701629084, createdName=jihuaijun1112, createdTime=Sat Dec 17 19:38:52 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163585, encodeId=dfd116358588, content=收藏了看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20161224/IMG585DA5E26B9F44696.jpg, createdBy=565a98798, createdName=susice, createdTime=Sat Dec 17 18:18:20 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163535, encodeId=816016353515, content=文章不错,值得学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=5, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Sat Dec 17 12:55:11 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163529, encodeId=1b3e16352912, content=值得看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=19061994286, createdName=1e1b1150m51(暂无匿称), createdTime=Sat Dec 17 12:54:04 CST 2016, time=2016-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=163515, encodeId=b07416351502, content=新期刊挑战, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLBkyaelI9ia3n9SbuKmBdaY0PqCOzd0nhRUstroXmUmXZ5EBTmibtLEvCCIpyHAqxQXGfZz49ibrwjkg/0, createdBy=39781652829, createdName=雾夜芭蕾, createdTime=Sat Dec 17 12:38:35 CST 2016, time=2016-12-17, status=1, ipAttribution=)]
    2016-12-17 雾夜芭蕾

    新期刊挑战

    0

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