How can project scope be effectively managed once it is established?

Effectively managing project scope once established is crucial for the success of any project. The correct option emphasizes the importance of implementing strict change control processes and conducting regular reviews. This approach allows project managers and teams to monitor any changes that may arise during the project lifecycle closely and assess the impact of those changes on the overall scope, time, and budget.

By having a structured change control process in place, teams can evaluate proposed changes, decide whether they align with project goals, and determine how to accommodate them without compromising the project's integrity. Regular reviews help keep all stakeholders informed and engaged, ensuring that everyone is aware of potential modifications and their implications.

In contrast, avoiding changes altogether is not realistic in many projects, as some flexibility is often necessary to adapt to evolving circumstances. Simplifying all project tasks may overlook the complexity inherent in many projects, leading to important elements being omitted. Lastly, transferring responsibilities to the client can create confusion and may undermine the project's management, leading to gaps in accountability and oversight. Therefore, the structured approach of managing scope through change control and reviews is the most effective strategy.