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Correspondence

Nature 457, 785 (12 February 2009) | doi:10.1038/457785a; Published online 11 February 2009

Open Innovation Challenges

naturejobs

Multiple metrics required to measure research performance

Stevan Harnad1

  1. Institut des Sciences Cognitives, Université du Québec à Montréal, Montréal, Québec H3C 3P8, Canada; and School of Electronics and Computer Science, University of Southampton, Southampton SO17 1BJ, UK
    Email: harnad@ecs.soton.ac.uk

Your Editorial 'Experts still needed' (Nature 457, 7–8; 2009) is correct in that no metric alone can substitute for expert evaluation, because no single metric (including citation counts) is correlated strongly enough with expert judgements for it to take their place.

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