By Mary Gorman and Ellen Gottesdiener
In our book Discover to Deliver: Agile Product Planning and Analysis we discuss the usefulness of the “Given-When-Then” technique to explore (discover) and confirm (validate) product options. Here we summarize the technique*, brainchild of Dan North.
What it Is
Given-When-Then (GWT) is a structured format for expressing scenarios with example data, including pre- and post-conditions.
Usefulness
GWT helps project stakeholders (business, customer and technology partners) communicate using business domain language. You can use GWT to explore product options and confirm selected options and confirm selected options, in a concrete, tangible way. Often called “specification by example,” GWT provides living documentation for your delivered product. It simultaneously specifies requirements while identifying acceptance tests, thereby streamlining discovery and delivery.
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