Wesley Stevenson

speaker

1,470 appearances 54 recordings 1 series first heard Sep 2010 last heard May 2015

Wesley Stevenson’s voice in public audio — every appearance, attributed to the second.

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More or Less · How extraordinary is Ye Shiwen? WS · 4 Aug 2012 podcast

He's applied something called threshold theory to world records in the past. voice-verified

Now, what he does is to take the previous best performances and the amount of time that elapses between them and establishes what records might be possible with a 90% confidence. voice-verified

Now, we gave him the data for the best times in the 400 metres individual medley before Yeshua voice-verified

and he came up with this estimate. voice-verified

So this race was extraordinary, but then sometimes we do get extraordinary athletes. voice-verified

Yes, and when Professor Nubri ran the data on the men's 100 metres before Usain Bolt first broke his record, he said that with 90% confidence that the next record wouldn't exceed 9.62 seconds. voice-verified

Of course, now we know that Bolt's record stands at 9.58 seconds. voice-verified

So you're right. voice-verified

We sometimes get extraordinary athletes. voice-verified

And this is why Ross Tucker says that while we should ask questions, we should be careful about what we assume from the performance. voice-verified

Yes. voice-verified

I mean, there's a cloud that's hung over Chinese swimming ever since 32 of their swimmers tested positive in the 1990s. voice-verified

And only seven months ago, another teenage swimmer tested positive for the drug EPO. voice-verified

And the reason that people are asking questions is that they failed to in the past when there have been other drug problems. voice-verified

And it's not just true of swimming. voice-verified

No, there's athletics, for example. voice-verified

Well, yeah. voice-verified

I mean, athletics is a great example, particularly women's athletics. voice-verified

We know that there was a huge problem with drugs in the 1980s. voice-verified

And this means there's a problem with a lot of the records set in that era. voice-verified

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