Journal Impact Factor
ICL JOURNALS>> 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).
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. Run a PubMed search: “Journal Impact Factor”[MAJR] Free full text
- Garfield E. Citation indexes for science. A new dimension in documentation through association of ideas. 1955. [Reprinted in:] Int J Epidemiol 2006 Oct;35(5):1123-7; discussion 1127-8. [First published in: Science 1955;122:108–11.] PubMed Record
Comments on this article:
Smith R. Commentary: The power of the unrelenting impact factor–Is it a force for good or harm? Int J Epidemiol 2006 Oct;35(5):1129-30.
Porta M, Fernandez E, Bolúmar F. Commentary: The ‘bibliographic impact factor’ and the still uncharted sociology of epidemiology. Int J Epidemiol 2006 Oct;35(5):1130-5. - Wu XF, Fu Q, Rousseau R. On indexing in the Web of Science and predicting journal impact factor. J Zhejiang Univ Sci B 2008 Jul;9(7):582-90. PubMed Record
- The impact factor game. It is time to find a better way to assess the scientific literature? PLoS Med 2006 Jun;3(6):e291. PubMed Record
- Chew M, Villanueva EV, Van Der Weyden MB. Life and times of the impact factor: Retrospective analysis of trends for seven medical journals (1994-2005) and their Editors’ views. J R Soc Med 2007 Mar;100(3):142-50. PubMed Record
- Oh HC, Lim JF. Is the journal impact factor a valid indicator of scientific value? Singapore Med J 2009 Aug;50(8):749-51. PubMed Record
- Grzybowski A. The journal impact factor: How to interpret its true value and importance. Med Sci Monit 2009 Feb;15(2):SR1-4. PubMed Record
- Mathur VP, Sharma A. Impact factor and other standardized measures of journal citation: A perspective. Indian J Dent Res 2009 Jan-Mar;20(1):81-5. PubMed Record
- Brunarski DJ. Impact of the chiropractic literature; references,citations and the research “impact factor”. Dynamic Chiropractic Canada 2010; 3(5): 6 p.
