Time-boxing does not exist to avoid change. Scrum explicitly accepts that change is inevitable, particularly in complex projects where stakeholder understanding and market requirements evolve. Time-boxing provides controlled boundaries within which work remains stable, while allowing change to be incorporated at appropriate inspection and planning points.
SCRUMstudy defines time-boxing as allocating a fixed amount of time to an activity or process. It prevents unlimited expansion of tasks and supports disciplined management of uncertainty and deadlines.
For example, once a Sprint begins, its scope is protected so the Scrum Team can maintain focus. New requirements can still be incorporated into the Prioritized Product Backlog and prioritized for a subsequent Sprint. Therefore, time-boxing manages change rather than attempting to eliminate it.
It also limits exposure to uncertain work by forcing regular inspection of results and preventing indefinite analysis or development. Deadlines become visible and predictable because Scrum events and Sprints have bounded durations.
Thus, “using time-boxing as a medium to avoid changes” contradicts Scrum's adaptive philosophy and is the exception.
Study Guide reference: Principles - > Time-boxing; Change - > Flexibility and Stability.
========
