During a current sprint, a team member asks permission from the scrum master to investigate an alternative design approach. What should the scrum master do?
A.
Discourage the team member from deviating from the plan and document the request during the retrospective
B.
Encourage the team member to research the issue and present the findings during the retrospective
C.
Discourage the team member from using experimentation/spikes unless it is fully developed and accounts for a variety of use cases
D.
Encourage the team member to use experimentation/spikes for continuous improvement and help the team understand why it is important
Option D.
In the Agile framework, continuous improvement is a key principle. It is essential to encourage team members to explore alternative approaches and experiment with new ideas to find the best solution. The scrum master should support the team member in investigating the alternative design approach and help the team understand the importance of experimentation for continuous improvement. The results of the investigation can be discussed during the retrospective and used to inform future sprints.
The question is asking about a new approach being proposed by a team memebr, and an architectural spike is the best method for that proposal as it is a short, timeboxed effort dedicated to “proof of concept”—in other words, checking whether the approach the team hopes to use will work for the project.
D is the right answer. According to Mike Griffiths, PMI-ACP Exam Prep, 1st Ed, Spikes are a key tool that agile teams use to head off problems and resolve them as early as possible. A spike is a short effort (usually timeboxed) that is devoted to exploring an approach, investigating an issue, or reducing a project risk. Although spikes can be done at any time during a project, they often take the form of brief exploratory iterations or proof-of-concept efforts that are done at the start of a project, before the development effort begins.
Retrospective accounts for "what can be done better to improve", I believe this can be discussed in the retrospective meeting
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