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Athletes taking banned drugs likely to try to cover their tracks, research shows

May 19, 2011
Kingston University
With the London 2012 Olympics fast approaching, the issue of athletes taking banned drugs is likely to come to the fore. Now new research shows that athletes who have taken prohibited performance-enhancing drugs, but deny having done so, are likely to manipulate their answers on questionnaires to make themselves fit the image of someone who is 'clean' and strongly anti-doping.

Athletes who have taken banned drugs but deny having done so are likely to manipulate their answers on questionnaires to make themselves fit the image of someone who is 'clean' and strongly anti-doping, according to new research by a Kingston University academic.

The study was funded by the World Anti-Doping Agency and carried out by a team headed by Professor Andrea Petroczi from the University's School of Life Sciences. Professor Petroczi surveyed 82 athletes, on an anonymous basis, and competing at various levels. She found patterns in the answers of those who denied using any prohibited performance-enhancing drugs which indicated they were deliberately trying to cover their tracks. "This has major implications for research where the aim is to establish the reasons why athletes take illegal drugs since the vast majority of such studies are based purely on questionnaires," Professor Petroczi explained.

The athletes' self-declared 'clean' status on the questionnaire was checked using hair analysis -- those taking part were asked to provide a hair sample which was tested for commonly used anabolic steroids, erythropoietin (commonly known as EPO) and major recreational drugs. "Having the opportunity to combine social science techniques with analytical chemistry in this way was a real advantage and it's an approach we will definitely be using again," Professor Petroczi added.

"The really interesting group included those people who denied using any drugs but then tested positive," she said. "This group appeared to have manipulated every aspect of the questionnaire they filled in to fit the typical profile of what they thought would be a non-user." The athletes were asked questions about their attitudes towards doping, such as how much pressure they felt to take performance-enhancing drugs. Professor Petroczi's team found distinct patterns in responses suggesting that they had faked their answers in accordance with how they believed someone who was 'clean' would have replied.

The athletes were also asked to complete a brief computerised word-sorting task using a concept known as the Implicit Association Test (IAT). This was designed to look like a game but was actually used to work out the athlete's attitude to banned substances. Participants were asked to sort a mix of doping-related words, vitamins and foodstuffs, and words representing 'good' and 'bad' into categories as quickly and accurately as possible. Professor Petroczi said this test was much more difficult for athletes to cheat and the difference in how quickly people could complete the various combinations required by this task was revealing in terms of how uppermost these concepts were in their minds.

"Large-scale doping behaviour research needs to change because the clear message is that you cannot trust what individuals say about themselves on questionnaires -- just because it's anonymous doesn't mean people will be honest," Professor Petroczi said. "People may be deliberately lying or even unwilling to admit things to themselves. This whole field would benefit greatly from using different research methods -- for instance by using such indirect approaches as the IAT computerised test which use alternative measures that go beyond questionnaires completed by individuals."

The World Anti-Doping Agency (WADA) provided more than £25,000 towards the study. "WADA welcomes research that helps in the fight against doping in sport. We expand our knowledge-base from a wide variety of sources, and research like this is extremely useful," WADA's Director of Education and Program Development, Rob Koehler said.

Further research will now be carried out to help refine the methodology and Professor Petroczi will also be developing the computerised word-sorting test. "The hope is that in future this could lead to better ways of identifying why athletes take drugs, which in turn could help put a stop to doping in sport," she said.

Story Source:

The above story is based on materials provided by Kingston University. Note: Materials may be edited for content and length.

Journal Reference:

  1. Andrea Petróczi, Martina Uvacsek, Tamás Nepusz, Nawed Deshmukh, Iltaf Shah, Eugene V. Aidman, James Barker, Miklós Tóth, Declan P. Naughton. Incongruence in Doping Related Attitudes, Beliefs and Opinions in the Context of Discordant Behavioural Data: In Which Measure Do We Trust? PLoS ONE, 2011; 6 (4): e18804 DOI: 10.1371/journal.pone.0018804

Cite This Page:

Kingston University. "Athletes taking banned drugs likely to try to cover their tracks, research shows." ScienceDaily. ScienceDaily, 19 May 2011. <www.sciencedaily.com/releases/2011/05/110519172800.htm>.
Kingston University. (2011, May 19). Athletes taking banned drugs likely to try to cover their tracks, research shows. ScienceDaily. Retrieved September 21, 2014 from www.sciencedaily.com/releases/2011/05/110519172800.htm
Kingston University. "Athletes taking banned drugs likely to try to cover their tracks, research shows." ScienceDaily. www.sciencedaily.com/releases/2011/05/110519172800.htm (accessed September 21, 2014).

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