I recently completed Udacity’s course on A/B testing. The course started with a high-level understanding of what a typical A/B test entails before diving into specifics of each stage in the process of experimentation. Needless to say, it was a great learning experience! In this post, I am going to summarize my key learning from the course and explain how it benefits a lot of companies which are focused on improving user experience.
So, let us dive in!
A/B testing is a method of experimentation to understand how user experiences change following any changes/variations made in the way they interact with a website, a mobile app etc. It is a very popular method to understand the level of existing customer experience and improve it based on certain relevant metrics.
Possible changes that companies may bring about are changing the layout of the website, changing the appearance/position of certain buttons on a particular webpage, change the ranking of options on the website etc. A/B testing helps the companies to evaluate whether these changes would be successful or not post-launch. This done by testing these changes on a subset of viewers for a certain period of time.
Evaluation takes place on the basis of select metrics.
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