“Lean Startup” is a philosophy of viewing a startup as a scientific experiment in search of a business model. This concept began as a new idea and then became so popular people now consider it common sense.
Lean encourages people to base products on user data rather than opinions and to test ideas by deciding as late as possible. Experimentation is a key ingredient in discovery, it’s also an easy way to learn and test assumptions. There are many techniques to consider when designing lean product experiments.
This SlideShare provides an overview on lean product experiments and how to benefit from them.