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5 - PROJECT SCOPE MANAGEMENT

5.4.3 Create WBS: Outputs

The outputs for creating a WBS in Section 5.4.3 of the PMBOK Guide are equally applicable outputs from
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creating an activity-oriented software WBS.

5.4.3.1 Scope Baseline

See Section 5.4.3.1 of the PMBOK Guide.
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5.4.3.2 Project Documents Updates

See Section 5.4.3.2 of the PMBOK Guide.
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5.5 Validate Scope

According to Section 5.5 of the PMBOK Guide, Validate Scope covers formalizing acceptance of the completed
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project deliverables. In software engineering, a distinction is made between verification and validation. Verification
is concerned with determining, in an objective manner, that the deliverable software is correct, complete, and
consistent with respect to the product requirements, design constraints, and other product parameters. Validation
is concerned with determining, in an objective manner, that the deliverable software will satisfy the needs and
expectations of customers, users, and other stakeholders when installed in the operational environment. Colloquially,
verification answers the question “did we build the software correctly?” and validation answers the question, “did
we build the correct software?”

5.5.1 Validate Scope: Inputs

The inputs for validating scope in Sections 5.5.1.1 to 5.5.1.5 of the PMBOK Guide are applicable for validating
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the scope of predictive life cycle software projects. An additional input, described in Section 5.5.1.6 of this Software
Extension, is concerned with inputs for validating the scope of adaptive software project life cycle projects.

The primary input for validating scope of a software project is working deliverable software: other deliverables
may include an acceptance test plan, user training materials, installation and operating instructions, and guidance
for maintainers. The intended users, operators, and maintainers use these inputs to validate the acceptability of the
software. These work products may be in printed form or accessible online.

5.5.1.1 Project Management Plan

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See Section 5.5.1.1 of the PMBOK Guide.

©2013 Project Management Institute. Software Extension to the PMBOK Guide Fifth Edition 79
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