CMM Level 4 Quantitative Analysis and Defect Prevention With Project Examples

By Alfred Florence

The Software Engineering Institute's (SEI) Software (SW) Capability Maturity Model (CMM) Level 4 Quantitative Analysis leads into SW-CMM Level 5 activities.

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The Software Engineering Institute's (SEI) Software (SW) Capability Maturity Model (CMM) Level 4 Quantitative Analysis leads into SW-CMM Level 5 activities. Level 4 Software Quality Management (SQM) Key Process Area (KPA) analysis, which focuses on product quality, feeds the activities required to comply with Defect Prevention (DP) at Level 5.[1] Quantitative Process Management (QPM) at Level 4 focuses on the process which leads to Technology Change Management (TCM) and Process Change Management (PCM) at Level 5. At Level 3, metrics are collected, analyzed and used to status development and to make corrections to development efforts, as necessary. At Level 4, measurements are quantitatively analyzed to control process performance of the project and to develop a quantitative understanding of the quality of products to achieve specific quality goals.