Which change implementation method provides the option to revert to the previous phase if needed?

Phased implementation is a method that allows for a gradual rollout of a new system or process in stages. This approach offers the flexibility to revert to the previous phase if any issues arise during the transition. By introducing changes incrementally, organizations can monitor the performance and address any complications in a particular phase before proceeding to the next. This method not only minimizes risk but also provides a safety net, enabling teams to respond effectively to feedback and ensure that the overall rollout is successful.

In contrast, other methods such as direct changeover, where the new system is implemented all at once, do not afford this ability to revert easily. Parallel running, while comparing the old and new systems simultaneously, may not allow for returning to a previous phase in the same structured, controlled way that phased implementation does. Pilot running involves testing a new system in a specific section of the organization, but once moved beyond this phase, significant adjustments would typically require a lot of effort. Therefore, phased implementation stands out as the most effective method for maintaining adaptability and control during the transition process.