A/B Testing was successful 2600 years ago and is still successful today. In this video, we will review the principles of good testing as found in the first recorded AB test. ...

Watch the Video

In his book Thinking Fast and Slow, Daniel Kahneman outlines prospect theory and how people have a natural tendency towards loss aversion. In this video, we will explore how loss aversion can affect your testing program if you aren’t aware of it. We will review how you can estimate how loss averse you are and we will discuss strategies to overcome it. Testing Theory is where professional testers turn ...

Watch the Video

In order to create a culture of experimentation with your a/b testing, you have to know how you answer this key question. The challenge is that not everyone answers it the same way. Additionally, some may not like your answer. Depending on how you answer the question your conversion rate optimization efforts may be sabotaged or your answer to this question could your unspoken rally cry. The question is ...

Watch the Video

Learn the basic statistics and terms you need to understand to do successful split testing. This video won’t focus on how to interpret results but will teach you the foundational statistics you need to understand. In this video, you will learn about foundational ideas of statistics and testing including: Population of the ab testSamples both random and representativeLift CalculationStatistical SignificanceP-valueConfidence Interval Testing Theory is where professional testers turn to ...

Watch the Video

One of the most common misconceptions that comes up over and over is the idea of not having too many people in a test because it will be risky. It is often expressed in a phrase like “let’s start with a lower amount of traffic and then increase it over time once we know everything is working well.” In this video, you will learn several things to improve your ...

Watch the Video

We are staying from home working from shopping online. We aren’t seeing each other except over digital checkerboards as we sit at home and share our screens. If nothing else, this pandemic has shown the need for better digital experiences that have been fully vetted through a/b testing. I just talked to one of my good friends that I worked with years ago. He has been from industry to ...

Watch the Video