University of Hertfordshire

Documents

View graph of relations
Original languageEnglish
PublisherUniversity of Hertfordshire
Publication statusPublished - 2011

Publication series

NameUH Business School Working Paper
PublisherUniversity of Hertfordshire

Abstract

Educationalists are well able to find fault with rankings on numerous grounds and may reject them outright. However, given that they are here to stay, we could also try to improve them wherever possible. All currently published university rankings combine various measures to produce an overall score using an additive approach. The individual measures are first normalized to make the figures ‘comparable’ before they are combined. Various normalization procedures exist but, unfortunately, they lead to different results when applied to the same data: hence the compiler’s choice of normalization actually affects the order in which universities are ranked. Other difficulties associated with the additive approach include differing treatments of the student to staff ratio, and unexpected rank reversals associated with the removal or inclusion of institutions. We show that a multiplicative approach to aggregation overcomes all of these difficulties. It also provides a transparent interpretation for the weights. The proposed approach is very general and can be applied to many other types of ranking problem.

Notes

Copyright and all rights therein are retained by the authors. All persons copying this information are expected to adhere to the terms and conditions invoked by each author's copyright. These works may not be re-posted without the explicit permission of the copyright holders.

Research outputs

ID: 82421