Index to Chiropractic Literature
Index to Chiropractic Literature
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Thursday, September 21, 2017
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Journal Impact Factor

JOURNAL DIRECTORY>> Journal Impact Factor
Eugene Garfield, founder of the Institute for Scientific Information, devised the impact factor in the 1950s. Impact factors are calculated each year by Thomson Scientific for the journals it indexes, and the factors are published in Journal Citation Reports (JCR).  View the JCR page for JMPT (November 19, 2010).

What is impact factor? According to Journal Citation Reports®: “[JCR] offers a systematic, objective means to critically evaluate the world’s leading journals — with quantifiable, statistical information derived from real data.”  How the impact factor is calculated

Opinions vary as to the value of impact factors as measures of a journal’s value. Below is a selection of Open Access articles from peer reviewed journals, listed by date [earliest first]. Run a PubMed search on  journal impact factor ; free full text.
Updated February 11, 2017.