In this lesson we’ll try to answer the question “Is comparing only 1 metric is enough for AB-test analysis?”.
Often, when using third-party AB-test tools like Google Analytics or Optimizely you get only 1 metric out of the box – page visits or CTR (Click Through Rate). These metrics are useful for landing page AB-testing – we test designs or copy to make more visitors sign up.
What we really want is visitors become customers, but it happens after signup, sometimes it takes days or weeks for visitors to convert to customers (if your product has a...