Monday, November 12, 2007

Verification: Specific Practices by Goal SG3

Verification of Selected Work Products
SP 3.1 Perform Verification
Perform verification on the selected work products. Verifying products and work products incrementally promotes early detection of problems and can result in the early removal of defects. These results of verification save considerable cost of fault isolation and rework associated with troubleshooting problems.

(For users of the continuous representation, this is a capability level 1 specific practice. Verification processes at capability level 1 or 2 may not include procedures and criteria, which are created in the Establish Verification Procedures and Criteria specific practice at capability level
3. When there are no procedures or criteria established, use the methods established by the Select Work Products for Verification specific practice to accomplish capability level 1 performance.)

Typical Work Products
1. Verification results
2. Verification reports
3. Demonstrations
4. As-run procedures log
Subpractices
1. Perform verification of selected work products against their requirements.

2. Record the results of verification activities.
3. Identify action items resulting from verification of work products.
4. Document the “as-run” verification method and the deviations from the available methods and procedures discovered during its performance.


SP 3.2 Analyze Verification Results and Identify Corrective Action
Analyze the results of all verification activities and identify corrective action. Actual results must be compared to established verification criteria to determine acceptability. The results of the analysis are recorded as evidence that verification was conducted.

For each work product, all available verification results are incrementally analyzed and corrective actions are initiated to ensure that the requirements have been met. Since a peer review is one of several verification methods, peer review data should be included in this analysis activity to ensure that the verification results are analyzed sufficiently. Analysis reports or “as-run” method documentation may also indicate that bad verification results are due to method problems, criteria problems, or a verification environment problem.

Typical Work Products
1. Analysis report (such as statistics on performances, causal analysis of nonconformances, comparison of the behavior between the real product and models, and trends)
2. Trouble reports
3. Change requests for the verification methods, criteria, and environment
4. Corrective actions to verification methods, criteria, and/or environment

Subpractices
1. Compare actual results to expected results.

2. Based on the established verification criteria, identify products that have not met their requirements or identify problems with the methods, procedures, criteria, and verification environment.
3. Analyze the verification data on defects.
4. Record all results of the analysis in a report.
5. Use verification results to compare actual measurements and performance to technical performance parameters.
6. Provide information on how defects may be resolved (including verification methods, criteria, and verification environment) and formalize it in a plan.


For Supplier Sourcing
Distribute pertinent verification results to the supplier of the work product.