Which statement about the length of management stages in a project is CORRECT?

The length and number of management stages are key decisions made when planning a project. A primary factor influencing this decision is the level of control the project board wishes to exercise. The end of each stage is a formal control point where the project board assesses progress and authorizes the next stage. Therefore, the board's own availability and commitment to participate in these end stage assessments is a crucial and practical consideration that directly influences how long stages can be.

A. A higher level of major risk would necessitate more frequent control points, leading to shorter stages, not longer ones, to manage the risk effectively.
C. While it is a correct principle that higher risk often leads to shorter stages, the statement "will require" is too absolute. The project board may choose other risk responses.
D. Management stages are an example of an event-driven control (triggered by the completion of a stage), not a time-driven control (triggered by a calendar date).

AXELOS. (2023). Managing Successful Projects with PRINCE2 (7th ed.). TSO (The Stationery Office). Section 11.2.4, p. 121. "The number and length of management stages is influenced by... the confidence of the project board and project manager". The board's availability is a direct component of their ability to exercise control and thus their confidence.

AXELOS. (2023). Managing Successful Projects with PRINCE2 (7th ed.). TSO (The Stationery Office). Section 7.3.3, p. 62. "Management stages provide review and decision points for the project board". The board's ability to convene for these decisions is a practical planning constraint.