Estimate the key Quality assurance principles:Cost of QualityCost-Benefit AnalysisPlanningDesigning

The key Quality Assurance principles are:

1. Cost of Quality: This principle refers to the total cost of all efforts related to quality. This includes the cost of prevention, appraisal, internal failures, and external failures. The goal is to minimize these costs by preventing defects before they occur.

   Step by Step:

   • Identify all the costs associated with the quality of a product or service.
   • Categorize these costs into prevention, appraisal, internal failures, and external failures.
   • Analyze these costs to identify areas for improvement.
   • Implement strategies to reduce these costs and improve quality.

2. Cost-Benefit Analysis: This principle involves comparing the costs and potential benefits of a quality improvement project. The goal is to ensure that the benefits outweigh the costs.

   Step by Step:

   • Identify the costs associated with a quality improvement project.
   • Estimate the potential benefits of the project.
   • Compare the costs and benefits to determine if the project is worthwhile.

3. Planning: This principle involves setting goals, establishing plans to achieve those goals, and integrating those plans into the organization's activities.

   Step by Step:

   • Set quality goals for the organization.
   • Develop plans to achieve these goals.
   • Integrate these plans into the organization's activities.

4. Designing: This principle involves designing processes, systems, and performance measures to meet quality goals.

   Step by Step:

   • Identify the processes, systems, and performance measures that need to be designed or redesigned.
   • Develop designs that will meet quality goals.
   • Implement these designs into the organization's activities.