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Scientometrics
Authors: Fred Bookstein, Horst Seidler, Martin Fieder, and Georg Winckler

Abstract  

Several individual indicators from the Times Higher Education Survey (THES) data base—the overall score, the reported staff-to-student ratio, and the peer ratings—demonstrate unacceptably high fluctuation from year to year. The inappropriateness of the summary tabulations for assessing the majority of the “top 200” universities would be apparent purely for reason of this obvious statistical instability regardless of other grounds of criticism. There are far too many anomalies in the change scores of the various indices for them to be of use in the course of university management.

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. Fried , H.O. , Lovell , C.A.K. , Schmidt , S.S. and Yaisawarng , S. ( 2002 ). Accounting for environmental effects and statistical noise in Data Envelopment Analysis . Journal of Productivity Analysis , 17 ( 1–2 ), 157 – 174

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is a statistical noise with the distribution restricted by: since DEA efficiency scores are larger than or equal to one in the output-orientation approach. A couple of problems arise due to the fact that true DEA scores are unobserved and

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