Which of the following is NOT a tool or technique used to perform scope planning?

 Scope Planning Tools and Techniques:

Tools for scope planning include methods to define and refine the project scope. These involve cost-benefit analysis, expert judgment, and alternatives identification.

Schedule performance indexing is a performance tracking tool used during execution and is unrelated to scope planning.

 PSP Study Guide References:

Scope planning methods are detailed in the PSP guide, emphasizing tools like expert judgment, alternatives analysis, and structured decision-making techniques​.

 Analysis for Selection:

Option A: A common method to analyze the costs and benefits of scope components.

Option B: Incorrect. This is a tracking tool, not a scope planning method.

Option C: Expert judgment is a key technique in defining project scope.

Option D: Alternatives identification supports exploring various approaches to project goals.

 Conclusion: The correct answer is B, as schedule performance indexing is not a scope planning tool.