Defect Prevention is a TMMi Level 5 process area. This process area focuses on identifying the root causes of defects and implementing preventive measures to avoid their recurrence. At TMMi Level 5, the goal is to optimize processes and move from defect detection to defect prevention.
Advanced Reviews and Test Measurement are Level 4 process areas, while Organizational Innovation and Deployment is part of CMMI, not TMMi.
TMMi Reference:
Defect Prevention is a key process area in TMMi Level 5, focusing on continuous process improvement and defect avoidance.