This feed does not validate.
In addition, interoperability with the widest range of feed readers could be improved by implementing the following recommendation.
<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0"
xmlns:content="http://purl.org/rss/1.0/modules/content/"
xmlns:wfw="http://wellformedweb.org/CommentAPI/"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:atom="http://www.w3.org/2005/Atom"
xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
>
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<title>View of the World</title>
<atom:link href="http://www.realworldresearch.info/blog/?feed=rss2" rel="self" type="application/rss+xml" />
<link>http://www.realworldresearch.info/blog</link>
<description>from Real World Research</description>
<lastBuildDate></lastBuildDate>
<generator>http://wordpress.org/?v=2.8</generator>
<language>en</language>
<sy:updatePeriod>hourly</sy:updatePeriod>
<sy:updateFrequency>1</sy:updateFrequency>
</channel>
</rss>