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m-Quotient (Hirsch m)

The m-quotient, defined by Jorge Hirsch in the same 2005 paper that introduced the h-index, normalizes an author's h-index by the length of their scientific career. Because the h-index can only grow over time and never decreases, raw h-values systematically favor senior researchers and make it unfair to compare early-career scientists with established ones. The m-quotient divides the h-index by the number of years since the researcher's first publication, yielding a rate of impact accumulation per year. Hirsch proposed rough benchmarks on this scale, suggesting that a sustained value near 1 characterizes a successful scientist, near 2 an outstanding one, and near 3 a truly exceptional figure, making the m-quotient a tool for comparing researchers at different career stages.

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m-Quotient (Hirsch's Career-Length-Normalized h-Index Rate)

Record tassonomico del metodo · process-pipeline / bibliometrics

Hirsch, J. E. (2005). An index to quantify an individual's scientific research output. Proceedings of the National Academy of Sciences, 102(46), 16569-16572. · DOI 10.1073/pnas.0507655102

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Metodi correlati

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Taxonomic bucketContemporary h-Indexmachine-suggested · Relational suggestion, not evidence.Taxonomic bucketg-Index (Egghe)machine-suggested · Relational suggestion, not evidence.Taxonomic buckethg-Index (Composite Hirsch-Egghe)machine-suggested · Relational suggestion, not evidence.