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Agile Stories
What Is The Story?
Three Questions:
- Who is asking for something?
- What are they asking for?
- WHY do they want it?
This covers off the three aspects of business value:
- To whom are we providing value?
- With what are we providing value?
- What value is being provided?
There are three categories of thought this can be grouped into:
- Actors
- Objects
- Purposes
An actor is anyone we interact with, who intends to derive something of value from us.
An object is any “thing” we intend to use, to provide value
A purpose is the value we intend to provide.
All good stories must answer all three questions.
How Big Is The Story?
This is where estimating comes in. Estimation involves:
- Effort - The degree of difficulty or amount of work expected during the development process. This should include testing.
- Complexity - The number of elements, their relationships, their interdependencies, and the amount of research needed, to complete the story.
- Risk - The scope of the “unknowns” of the story; external dependencies; potential problem areas; amount of experience with the technologies involved; etc.
These factors constitute a relative measure of story size, not an objective one (like height, weight, or volume).