Does hypen in URL affect SEO?

Some SEO experts believe having hyphen in domain names or URL affects SERPs and ranking for particular keywords positively while
other disagree.
This is to be tested out at UK Webmaster Forum using a small experiment. The experiment is designed as listed below, we should have the result of the experiment by Friday.

Experiment design
* two domains names registered, one with hyphen, one without
* Domain name has not relevance what so ever with the contents of the site
* Domain names hosted on the same IP address, same time
* There will be no outgoing links from the sites
* The page size on both domain will be the same
* Same bolding tags and other formatting in the two sites will be kept the same.
* Avoid putting same contents on both pages to avoid duplicate contents penalty
* The same number of links from the same source will point to both sites

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Written by temi · Filed Under Search Engine Optimisation 
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