Discussion 3 CMGT555
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555
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Information Systems
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Apr 3, 2024
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docx
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Uploaded by BarristerSeaLionMaster875
What does a use case model describe of a system?
Use case model: A use-case model is a model of how different types of users interact with the system to solve a problem. As such, it describes the goals of the users, the interactions between the users and the system, and the required behavior of the system in satisfying these goals.
What are the attributes that comprise a quality user story and why are these attributes necessary? Consider the result of poorly-written user stories. Provide an example of what you would consider to be a quality user story. This example can be from experience, from a company you know of, or one that you create.
Here are the attributes of a quality user story:
A quality user story should be easy to understand and should have a clear and concise description of the problem or feature to be implemented. The description should be written in a language that is easily understood by all stakeholders, including developers, testers, and business analysts. A clear user story helps ensure
that everyone has a common understanding of what needs to be done.
Independent:
User stories should be independent of each other, so that they can be prioritized and worked on separately. By being independent, user stories can be completed in any order, and changes to one user story will not affect another. This helps to increase the flexibility and adaptability of the development process.
Testable:
Each user story should be testable so that it can be validated as complete. It should have acceptance criteria that can be used to test whether the user story has been implemented correctly. This helps to ensure that the user story has been completed as per the requirements and expectations of the stakeholders.
Valuable:
User stories should be valuable to the customer and the business. It should solve a problem or provide a benefit to the customer. A valuable user story helps ensure that the development effort is focused on delivering something that is meaningful and relevant to the users.
Estimable:
User stories should be small enough to be estimated accurately and should not take
too long to implement. An estimable user story helps to ensure that the
development team can accurately estimate the amount of effort required to complete the user story, which in turn helps with project planning and resource allocation.
Sized Appropriately:
User stories should be sized appropriately so that they can be completed within a single sprint or iteration. By keeping the user stories small, the development team can focus on delivering a small increment of functionality that can be tested and validated quickly. This helps to increase the visibility of progress and reduce the risk of delays and rework.
In summary, a quality user story is one that is clear, independent, testable, valuable, estimable, and sized appropriately. These attributes help to ensure that the development effort is focused on delivering something that is meaningful and relevant to the users, and that it can be completed efficiently and effectively.
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