Scope Baseline
An approved package comprising the scope statement, the work breakdown structure (WBS), and the WBS dictionary. It can be updated only through formal change control and serves as the benchmark for comparing planned scope to actual results.
Key Points
- Includes three parts: scope statement, WBS, and WBS dictionary.
- Acts as the official reference to measure scope performance and variance.
- Changes are allowed only via formal change control and approved change requests.
- Used to validate scope, prevent scope creep, and support performance reporting.
Example
After planning, the sponsor approves the scope statement, WBS, and WBS dictionary, creating the scope baseline. Midway through the project, a stakeholder asks to add a new feature. The project manager logs a change request and compares the request against the scope baseline to assess impact. If approved, the baseline is updated through formal change control and then used to track variance going forward.
PMP Example Question
Which artifact provides the official reference for evaluating scope changes and measuring scope performance during execution?
- Project charter
- Requirements traceability matrix
- Scope baseline
- Project scope management plan
Correct Answer: C — Scope baseline
Explanation: The scope baseline is the approved combination of the scope statement, WBS, and WBS dictionary used to compare actual results and to evaluate proposed scope changes through formal change control.
