Academics need to ask themselves whether they discriminate against overseas scholars on the basis of their home country, according to a researcher who found evidence of a ¡°caste system¡± in global academia.

German professors were far more likely to respond to a request for doctoral supervision from US university-based researchers than those from Singapore and Vietnam, even if the Asian universities were more highly ranked, an experiment found.

Nearly 400 sociology professors were sent identical applications, all with ethnic Chinese-sounding names, purporting to be from Yale University, Pennsylvania State University, the National University of Singapore or Vietnam National University, Hanoi.

Fifty-one per cent of Yale candidates received a positive response, compared with 43.4 per cent for Penn State, 30 per cent for NUS and 29 per cent for VNU.

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US-based candidates were nearly three times more likely to be given extra information in their response, such as graduate school suggestions, and more than twice as likely to receive an enthusiastic response or to be addressed by their first name.

This is despite the fact that NUS does better than Penn State in many international rankings. Despite NUS¡¯ ¡°success as a university, it does not seem to have been able to shake off the label of a scientifically (semi-)peripheral Southeast Asian country (at least in the eyes of many German university professors)¡±, concludes ¡°¡±, published in ÖйúAƬ.

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The study also revealed an Ivy League bias ¨C Penn State¡¯s sociology department performs better than Yale¡¯s in several rankings, but its fictional candidates were still less likely to receive a positive response.

The findings point to the existence of a ¡°global academic caste system¡±, with the ¡°US or the UK at the top¡±, that has ¡°significant consequences for how the international mobility of students and academics is channelled¡±, according to the paper.

The study is only ¡°small and exploratory¡±, and similar experiments in other countries might yield different results, according to Daniel Drewski, a research associate at the Free University of Berlin, and one of the authors.

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Nonetheless, the results showed that academics paid more attention to ¡°country or region¡± than rankings, he said, although he added: ¡°It¡¯s also useful to pay less attention to universities¡® rankings...the ideal would be to make decisions based on individual merit.¡±

¡°Overall, the emergence of this caste system is related to the distribution of economic power and historical legacy,¡± he said, which was something that academics could do little about.

Still, academics could reflect on their own biases when making such decisions, he said.?The German professors surveyed in the research had made informal, personal decisions by email, which were more likely to be biased, he argued, because quick judgements were more likely to rely on a cursory look at someone¡¯s home country and university.

david.matthews@timeshighereducation.com