Requirements Flashcards
model that provides guidance on creating effective User Stories
INVEST
How many User Stories does DSDM recommend during Feasibility
less than 10
Functional requirements express…
what is required
High-level User Stories
Epics
Choosing User Stories to define requirements demonstrates an intention to work…
collaboratively
story format helps to ensure that each requirement is captured in a
feature-oriented / solution oriented way
feature-oriented
The success of any solution is the product of two aspects:
what it does (functionality, features)
how well it performs against defined parameters (non-functional attributes, acceptance criteria, service levels)
Non-functional Requirements define…
how well, or to what level a solution needs to behave
User Story format
As a < role>
I need
So that
two types of requirements
functional
non-functional
User Stories are often deemed to comprise three elements
Card
Conversation
Confirmation
In DSDM projects, User Stories are recorded in…
Prioritised Requirements List (PRL)
Other names for user stories
Epics, Themes or features
Bill Wake’s INVEST model
Independent
Negotiable
Valuable
Estimable
Small
Testable
requirement expressed from the perspective of an end-user goal
User Story
