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view source for impact factor wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in view source for impact factor add languages article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file page information get shortened url switch to legacy parser in other projects wikidata item appearance move to sidebar hide impact factor you do not have permission to edit this page for the following reason this ip address range has been globally blocked this does not affect your ability to read wikipedia pages most people who see this message have done nothing wrong some kinds of blocks restrict editing from specific service providers or telecom companies in response to recent abuse or vandalism and can sometimes affect other users who are unrelated to that abuse review the information below for assistance if you do not believe that you have done anything wrong this block affects editing on all wikimedia wikis the ip address or range 5 135 0 0 16 has been globally blocked by jon kolbert for the following reason s open proxy webhost visit the faq if you are affected this block will expire on 04 29 8 january 2027 your current ip address is 5 135 42 194 even while globally blocked you will usually still be able to edit pages on meta wiki if you believe you were blocked by mistake you can find additional information and instructions in the stewards block wizard other useful links global blocks help i have been blocked you can view and copy the source of this page use while originally invented as a tool to help university librarians to decide which journals to purchase the impact factor soon became used as a measure for judging academic success this use of impact factors was summarised by hoeffel in 1998 ref name 1 cite journal vauthors hoeffel c title journal impact factors journal allergy volume 53 issue 12 page 1225 date december 1998 pmid 9930604 doi 10 1111 j 1398 9995 1998 tb03848 x s2cid 5773127 ref blockquote impact factor is not a perfect tool to measure the quality of articles but there is nothing better and it has the advantage of already being in existence and is therefore a good technique for scientific evaluation experience has shown that in each specialty the best journals are those in which it is most difficult to have an article accepted and these are the journals that have a high impact factor most of these journals existed long before the impact factor was devised the use of impact factor as a measure of quality is widespread because it fits well with the opinion we have in each field of the best journals in our specialty in conclusion prestigious journals publish papers of high level therefore their impact factor is high and not the contrary blockquote as impact factors are a journal level metric rather than an article or individual level metric this use is controversial eugene garfield the inventor of the jif agreed with hoeffel ref cite journal vauthors garfield e title the history and meaning of the journal impact factor journal jama volume 295 issue 1 pages 90 3 date january 2006 pmid 16391221 doi 10 1001 jama 295 1 90 bibcode 2006jama 295 90g s2cid 31183037 ref but warned about the misuse in evaluating individuals because there is a wide variation of citations from article to article within a single journal ref name garfield98 cite journal vauthors garfield e title the impact factor and its proper application journal der unfallchirurg volume 101 issue 6 pages 413 4 date june 1998 pmid 9677838 url http www garfield library upenn edu papers derunfallchirurg_v101 6 p413y1998english html ref despite this warning the use of the jif has evolved playing a key role in the process of assessing individual researchers their job applications and their funding proposals in 2007 journal of cell biology the journal of cell biology noted that blockquote impact factor data have a strong influence on the scientific community affecting decisions on where to publish whom to promote or hire the success of grant applications and even salary bonuses ref name rossner 2007 cite journal vauthors rossner m van epps h hill e title show me the data journal the journal of cell biology volume 179 issue 6 pages 1091 2 date december 2007 pmid 18086910 pmc 2140038 doi 10 1083 jcb 200711140 ref blockquote more targeted research has begun to provide firm evidence of how deeply the impact factor is embedded within formal and informal research assessment processes a review in 2019 studied how often the jif featured in documents related to the review promotion and tenure of scientists in us and canadian universities it concluded that 40 of universities focused on academic research specifically mentioned the jif as part of such review promotion and tenure processes ref cite journal vauthors mckiernan ec schimanski la muñoz nieves c matthias l meredith niles niles mt alperin jp date july 2019 title use of the journal impact factor in academic review promotion and tenure evaluations journal elife volume 8 article number e47338 doi 10 7554 elife 47338 pmc 6668985 pmid 31364991 doi access free ref a 2017 study of how researchers in the life sciences behave concluded that everyday decision making practices as highly governed by pressures to publish in high impact journals it has been argued that the deeply embedded nature of such indicators not only affects research assessment but the more fundamental issue of what research is actually undertaken given the current ways of evaluation and valuing research risky lengthy and unorthodox project rarely take center stage ref name 0 cite journal last1 müller first1 ruth last2 de rijcke first2 sarah date 2017 07 01 title thinking with indicators exploring the epistemic impacts of academic performance indicators in the life sciences url https academic oup com rev article 26 3 157 3933574 journal research evaluation volume 26 issue 3 pages 157 168 doi 10 1093 reseval rvx023 issn 0958 2029 ref return to impact factor retrieved from https en wikipedia org wiki impact_factor privacy policy about wikipedia disclaimers contact wikipedia legal safety contacts code of conduct developers statistics cookie statement mobile view search search view source for impact factor add languages add topic