Can I test it? Find the Power!

Imagine you have this great new idea for an e-mail you send to all your customers. You are obviously quite certain that this new picture will drastically boast your conversion, but after reading about the power of Experiments and A/B testing, you decide to run a quick test…

First: Good for you! 🙂

Before you setup the test, it is important to see what sample size you need to be able to have a solid result of your test.

Fortunately, there are also tools for this.

And if you want to understand more about power and type I and type II errors, read this article!

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