Use cases have been used for decades. They are known to help improve analytics and focus. However, this does not mean that you should not write user stories in an agile environment. What are these different types of requirements? Find out in this manual.
What is a use case?
A use case is a description that captures user-system interaction. It’s different from a business process that needs to capture everything a user intends to do to get results for the business. Usually use cases are very specific in how a user interacts with the system to achieve their goal. You focus on a more detailed goal.
Main benefits or features
Some of the main features of user stories are:
- A use case is intended to solve the problem of requirements when it is not related to user interaction
- They write a series of user and system interactions, focusing on how the system is used by the user
- They are considered better than traditional requirement types because the focus is on the user-based context
- It is possible to determine the value of the use case
- It is possible to determine the tests based on the system reaction and the interactions
- There are two main components to use cases: use case diagrams and the text description
- They can sometimes be used similarly to traditional requirements for high performance control based processes
- Use cases apply an advanced level of completion to the system
- Change control is used in the system to block it with the perception that the use case covers everything
It is possible to use both traditional requirements and use cases within agile software development. However, they may focus more on the documented specifications of the software system and less on collaboration. There are developers who use use cases in agile environments. The lack of built-in collaboration features requires detailed specifications to be created. In such a situation, the use case can be a recording source instead of a conversation system.
What are user stories?
A user story is a very lean type of requirement that is at an advanced level. User stories are usually recorded on index cards and can be written by any stakeholder, including users, developers and customers. They are part of an agile development environment that is about talking about the requirements rather than writing them. An agile user story usually contains one or more written sentences. There may also be a series of discussions about the desired functions.
Main advantages and functions
Usually agile teams rely on user stories as the primary platform for incremental software delivery. User stories help reduce the risk of delayed feedback in a variety of situations:
- If there are small steps
- When the software is released for production frequently
- For development teams that have clear acceptance criteria and regular feedback when they finish their project
- For the client or user, there may be an option to make changes to the details. It can also be used to influence changes in priorities that may not have been implemented yet.
- Promotes the separation of duties between the definition of “what” and “how”.
When it comes to agile environments, there are two core areas where user story has an impact on the planning process – planning and estimation. It is the project participants who are responsible for prioritizing the requirements. Developers can estimate the effort required to implement the things they will be working on.
Thus, both types of requirements cover different aspects.
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