Monday, February 26, 2007

Is it Really a Matter of Global Opinion?

The THES-QS rankings of 2005 and 2006 are heavily weighted towards its so-called peer review, which receives 40% of the total ranking score. No other section gets more than 20 %. The “peer review” is supposed to be a survey of research active academics from around the world. One would therefore expect it to be based on a representative sample of the international research community, or “global opinion”, as THES claimed in 2005. It is, however, nothing of the sort.

The review was based on e-mails sent to people included on a database purchase from World Scientific Publishing Company. This is a publishing company that was founded in 1981. It now has 200 employees at its main office in Singapore. There are also subsidiary offices in New Jersey, London, Hong Kong, Taipei, Chennai, Beijing and Singapore. It claims to be the leading publisher of scientific journals and books in the Asia-Pacific region.


World Scientific has several subsidiaries. These include Imperial College (London) Press, which publishes books and journals on engineering, medicine, information technology, environmental technology and management, Pan Stanford Publishing of Singapore, which publishes in such fields as nanoelectronics, spintronics biomedical engineering and genetics, and KH Biotech Services Singapore who specialise in biotechnology, pharmaceuticals, food and agriculture; consultancy, training and conference organisation services. It also distributes books and journals produced for The National Academies Press (based in Washington, D.C.) in most countries in Asia (but not in Japan).

World Scientific has particularly close links with China, especially with Peking University. Their newsletter of November 2005 reports that:

”The last few years has seen the rapid growth of China's economy and academic sectors. Over the years, World Scientific has been actively establishing close links and putting down roots in rapidly growing China”

Another report describes a visit from Chinese university publishers:

”In August 2005, World Scientific Chairman Professor K. K. Phua, was proud to receive a delegation from the China University Press Association. Headed by President of Tsinghua University Press Professor Li Jiaqiang, the delegation comprised presidents from 18 top Chinese university publishing arms. The parties exchanged opinions on current trends and developments in the scientific publishing industry in China as well as Singapore. Professor Phua shared many of his experiences and expressed his interest in furthering collaboration with Chinese university presses. “

World Scientific has also established very close links with Peking University:

”World Scientific and Peking University's School of Mathematical Sciences have, for many years, enjoyed a close relationship in teaching, research and academic publishing. To further improve the close cooperation, a "World Scientific - Peking University Work Room" has been set up in the university to serve the academic communities around the world, and to provide a publishing platform to enhance global academic exchange and cooperation. World Scientific has also set up a biannual "World Scientific Scholarship" in the Peking School of Mathematical Sciences. The scholarship, totaling RMB 30,000 per annum and administered by the university, aims to reward and encourage students and academics with outstanding research contributions.”

Here are some of the titles published by the company:

China Particuology
Chinese Journal of Polymer science
Asia Pacific Journal of Operational research
Singapore Economic review
China: an International Journal
Review of Pacific Basin Financial Markets and Policies
Asian Case Research Journal

It should be clear by now that World Scientific is active mainly in the Asia-Pacific region, with an outpost in London. It seems more than likely that its database, which might be the list of subscribers or its mailing list, would be heavily biased towards the Asia-Pacific region. This goes a long way towards explaining why Chinese, Southeast Asian and Australasian universities do so dramatically better on the peer review than they do on the citations count or any other measure of quality.

I find it inconceivable that QS were unaware of the nature of World Scientific when they purchased the database and sent out the e-mails. To claim that the peer review is in any sense an international survey is absurd. QS have produced what may some day become a classical example of how bad sampling technique can destroy the validity of any survey.

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