Paul Meagher has just submitted the link to his latest article over on the IBM DeveloperWorks website - Conduct Web experiments with PHP: Part 1.

The object of this article is to "discover PHP's value in measuring how effective your Web-based offers tempt customers. It looks at experiment design and categorical data analysis. "

This is the first part of a two-part series covering this topic, and, given the length of this first part, there will be quite a bit of information packed into the two.