When to stop the test

How do I know when to stop my test? How long should my test run for? What factors should I be considering when I am looking to stop my test?... These are questions we often hear from our clients. Sometimes in conversion rate optimisation the answer is straightforward... Your test has reached statistical significance and either your hypothesis has been proven right or wrong, so you can stop...

What to consider when QA’ing experimentation projects

To tell somebody that he/she is wrong is called criticism. To do so professionally is called QA testing. Quality, and Testing, play a very important part in Optimisation, just like any other phase of the product development cycle. The quality of our work can’t be ignored, nor have shortcomings - your experiments hold just as important a role in the web/app...