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Measuring Research Impact and Quality: Impact by Discipline

Discipline Impact Factor

Discipline Impact Factor: The Library Science definition is:

Discipline Impact Factor (DIF): DIF is similar to the impact factor, which measures the average number of times a paper in given journal is cited, except that the DIF measures the number of times a paper in a journal is cited in core literature of the given discipline (Hirst, 1978). How does one define core journals in a given discipline. "Citation mapping" is used to generate core journals list in a given discipline. Example Environmental Science.

Hirst G (1978) Discipline impact factors: A method for determining core journal lists. Journal of the American Society for Information Science Volume 29, Issue 4 First published: July 1978

https://doi.org/10.1002/asi.4630290403

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