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Incremental Delivery

5 minutes 5 Questions

Incremental Delivery is the practice of releasing fully tested and working features of a system to the users, one piece at a time. In DSDM, incremental delivery goes hand-in-hand with iterative development, as it involves delivering increments of the system at the end of each iteration. The goal is…

Guide: Incremental Delivery in Agile Project Management with DSDM

Incremental Delivery is a crucial part of the Dynamic Systems Development Method (DSDM) in Agile Project Management.

What it is: In Incremental Delivery, a project is broken down into manageable parts, known as increments. Each increment delivers a portion of the functionality required in the finished project. Each increment builds upon the previous ones until the final product is complete.

Why it is important: Incremental Delivery helps manage the risks involved in a project by encouraging regular feedback and refining goals as necessary. It allows early sighting of potential issues and enables teams to adapt to changes swiftly.

How it works: An increment includes all stages of the development cycle, including designing, coding, testing and integration. After each increment is delivered, it is reviewed and used as a basis for further development. The process continues until the product fulfills all requirements.

Exam Tips: Answering Questions on Incremental Delivery:
1. Understand the concept: Grasp the basics of Incremental Delivery including the definition, its role in DSDM and the advantages it offers.
2. Explain with examples: Utilize practical examples to illustrate how Incremental Delivery works in a real-world scenario.
3. Link to broader Agile Principles: Show your understanding of how Incremental Delivery fits with Agile Principles, such as customer collaboration and responsiveness to change.
4. Discuss the process: Talk about the steps involved in Incremental Delivery including the development, review, feedback and refinement stages.

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Agile Project Management - Incremental Delivery Example Questions

Test your knowledge of Incremental Delivery

Question 1

Your project team is following the incremental approach for a healthcare application. Upon the delivery of the third increment, the team discovered a data security loophole. However, stakeholders insist on timely delivery of the remaining increments. How should you address the situation?

Continue with the stipulated plan for timely delivery of the increments, and address the loophole post-project. Encourage stakeholders to hire an external security agency to address the issue, while the team focuses on the increment deliveries. Arrange a meeting with stakeholders to discuss why their timeline request is unreasonable. Address the security concerns immediately by adapting your plans as necessary, even if this involves modifying the next increment's delivery timeline.

Correct Answer: Address the security concerns immediately by adapting your plans as necessary, even if this involves modifying the next increment's delivery timeline.

The correct answer is to address the security concerns immediately by adapting the plans as necessary, even if this involves modifying the next increment's delivery timeline. In a healthcare application, data security is of utmost importance. Any security loopholes discovered must be addressed promptly to protect sensitive patient information and maintain compliance with regulations. Delaying the resolution of security issues could lead to severe consequences, such as data breaches or legal liabilities. Continuing with the stipulated plan for timely delivery of increments while postponing the security fix is not advisable. Security should always take precedence over adherence to the original timeline. Arranging a meeting with stakeholders to discuss why their timeline request is unreasonable may not be the most effective approach. Instead, clearly communicating the severity of the security issue and the potential risks associated with not addressing it immediately would be more appropriate. Encouraging stakeholders to hire an external security agency to address the issue while the team focuses on increment deliveries is not the best solution. The project team should take responsibility for resolving the security loophole as they have the context and understanding of the application's architecture and codebase.

Question 2

Your team is involved in a project following incremental delivery. After the fifth increment, customers suggest the introduction of a specific feature, not previously discussed or planned. How should you respond?

Suggest performing a detailed market analysis to determine if the new feature could potentially bring more value to the project than what was originally planned, which might delay the current timeline but ensures delivering a product that better meets market needs. Evaluate the feasibility and impact of incorporating the new feature in the upcoming increments, considering current priorities and backlog items, and discuss this with the stakeholders. Insist that only features defined in the original scope can be considered, to maintain project boundaries and focus. Propose to the stakeholders to wait until all planned increments are completed before considering any new features or changes to the scope.

Correct Answer: Evaluate the feasibility and impact of incorporating the new feature in the upcoming increments, considering current priorities and backlog items, and discuss this with the stakeholders.

The correct response supports agility by allowing for changes in scope based on customer feedback, ensuring the product remains relevant and valuable. The wrong answers depict various levels of rigidity and lack of responsiveness to change, which could inhibit the benefits of an agile approach. While the third wrong answer considers market value and seems proactive, it could introduce significant delays and complexity, making it less desirable in a truly agile context.

Question 3

Your team is utilizing incremental delivery for a mobile app project. The plan includes releasing new features every two weeks. After the third release, users report issues with recently added features. How should the team proceed?

Suspend all feature development and focus on fixing the issues. Ask users to wait for the final version of the app to avoid issues. Abandon the incremental approach and start solving issues in a sequential order. Investigate the issues, address them, and include the fixes in the next release. Delay the next release until all issues are solved. Ignore user feedback and continue with the next release as planned.

Correct Answer: Investigate the issues, address them, and include the fixes in the next release.

Investigating the issues, addressing them, and including the fixes in the next release ensures a balance between addressing user feedback and maintaining the planned release schedule.

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