Posted in A/B Split Testing, How To on January 18th, 2012
Numerous times our clients and customers ask: how many visitors do I need to test in order to get statistically significant results in an A/B test? Unfortunately, there is no straightforward answer to this question as it depends on a number of factors. In the past, we have provided you with an A/B test duration calculator in Excel and also provided with an online tool to calculate the same. However, how it is calculated is sort of a black magic.
In following presentation, I describe just what exactly happens when we calculate number of visitors needed for an A/B test. As the presentation aims to be a high level overview, I won’t be delving into mathematics of it.
Hope you like the presentation! Please let me know if you have any questions or need clarifications.
Paras Chopra
CEO and Founder of Wingify by the day, startups, marketing and analytics enthusiast by the afternoon, and a nihilist philosopher/writer by the evening!
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