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Posts by David Zubrow

Quantifying Uncertainty in Early Lifecycle Cost Estimation (QUELCE): An Update

Quantifying Uncertainty in Early Lifecycle Cost Estimation (QUELCE): An Update

• Blog
David Zubrow

By law, major defense acquisition programs are now required to prepare cost estimates earlier in the acquisition lifecycle, including pre-Milestone A, well before concrete technical information is available on the program being developed. Estimates are therefore often based on a desired capability--or even on an abstract concept--rather than a concrete technical solution plan to achieve the desired capability. Hence the role and modeling of assumptions becomes more challenging. This blog posting outlines a multi-year project...

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High Maturity Software Engineering Measurement and Analysis

High Maturity Software Engineering Measurement and Analysis

• Blog
David Zubrow

The SEI has been actively engaged in defining and studying high maturity software engineering practices for several years. Levels 4 and 5 of the CMMI (Capability Maturity Model Integration) are considered high maturity and are predominantly characterized by quantitative improvement. This blog posting briefly discusses high maturity and highlights several recent works in the area of high maturity measurement and analysis, motivated in part by a recent comment on a Jan. 30 postasking about the...

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David Zubrow

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