5 What is an A/B test? How to do it? with John Marshall

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According to wikipedia an A/B testing (also known as split testing) is a method of advertising testing by which a baseline control sample is compared to a variety of single-variable test samples in order to improve response rates. A classic direct mail tactic, this method has been recently adopted within the interactive space to test tactics such as banner ads, emails and landing pages.

In this great video J. Marshall discuss about the A/B test: why and how to do it for a website? Who have to decide which is the best website design: the visitors or the web designer? How to use A/B test to find out? Read more about how to effectively do an A/B free test using Google Optimizer and what we can test.
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