The final Agile Principle stresses that the team should "regularly reflect on how to become more effective, then tune and adjust behavior accordingly." What is the ideal frequency for this inspection? While the Sprint Retrospective handles the process, what other, less formal inspection cycles are necessary to ensure the Continuous Improvement of the team's Software Development practices? Should the Scrum Master facilitate reflection on technical practices or just team dynamics?
3 answers
The ideal frequency for the formal inspection cycle is at the end of every Sprint, facilitated by the Sprint Retrospective. This formal meeting is mandatory to ensure Principle #12 is consistently met. However, the principle implies a continuous mindset of inspection. Less formal inspection cycles include the Daily Scrum (where the team inspects its progress toward the Sprint Goal), frequent code reviews, and informal short "huddles" after major Software Development tasks. The Scrum Master should facilitate reflection on both technical practices (e.g., test coverage, code quality, Technical Debt) and team dynamics (e.g., communication, team collaboration), as the principle requires tuning and adjusting behavior and process for overall effectiveness and Continuous Improvement.
If a significant process failure occurs mid-Sprint (e.g., a major continuous integration issue), should the Scrum Master wait for the formal Sprint Retrospective to address it, or is an immediate, focused inspection meeting a better way to adhere to the "reflect and adjust" principle?
The formal inspection should happen every Sprint via the Sprint Retrospective. However, the Agile Principle of "reflect and adjust" must be a Continuous Improvement mindset embedded in all team activities, including the Daily Scrum and regular code reviews for effective Software Development.
David, I've found that using the last 5 minutes of a Daily Scrum once a week specifically for a quick "what's one thing we can do better this week" reflection is a great way to embed Principle #12 outside of the formal Retrospective.
Ethan, the Scrum Master should facilitate an immediate, focused inspection (often called a process huddle or blameless post-mortem) when a major process failure occurs. Principle #12 demands timely adjustment. Waiting for the formal Sprint Retrospective would allow the process failure to continue negatively impacting Software Development for too long. The formal Retrospective can then be used to follow up on the effectiveness of the fix and capture the Continuous Improvement lesson learned.