SAB11#77_79_Precision_vs_Accuracy_&_Quality_Concepts

SAB11#77_79_Precision_vs_Accuracy_&_Quality_Concepts

1. Precision

   • Measurement based on a pattern

2. Accuracy

   • Proximity between the measured value and the real value

3. QUALITY

   • GOLD PLATING
     • Refers to giving the customer extras (e.g. extra funcionality, higher quality components, extra scope, or better performance Sometimes gold plating is not planned, but arises out of a team member's efforts to do the best he or she can.
   • PREVENTION OVER INSPECTION
     • Quality must be planned in, not inspected in
   • MARGINAL ANALYSIS
     • Refers to looking for the point where the benefits or revenue to be received from improving quality equals the incremental cost to achieve that quality. Sometimes added attention to something such as quality does not produce added value. When that point is reached, you should stop trying to improve quality.
   • The degree to which the project fulfills requirements
   • CONTINUOUS IMPROVEMENT (OR KAIZEN)
     • - Involves continuosly looking for small improvements in quality. - Continuous improvement and kaizen are taken to mean the same thing on the exam. - Kaizen is a general term, while Continuous improvement is a quality movement
   • TOTAL QUALITY MANAGEMENT (TQM)
     • This phylosophy encourages companies and their employees to focus on finding ways to continuously improve the quality of their products and their business practices at every level of the organization.
   • RESPONSABILITY FOR QUALITY
     • The Project Manager has the ultimate responsability for the quality of the product of the project, but each team member must check his or her work by inspecting it him or herself.
   • IMPACT OF POOR QUALITY
     • - Increased costs - Decreased profits  - Low moral  - Low customer satisfaction  - Increaed risk  - Rework  - Shedule delays
   • PLAN QUALITY MANAGEMENT
     • PQM fucuses on defining quality for the project, the product, and project management, and planning how it will be achieved
   • PERFORM QUALITY ASSURANCE
     • Is an executing process, so its focus is on the work being done on the project. Its purpose is to ensure the team is following organizational policies, standards, and processes as planned to produce the project deliverables.
   • CONTROL QUALITY
     • Is a monitoring and controlling process. Examines the actual deliverables produced on the project; its purpose is to ensure the deliverables are correct and meet the planned level of quality, and to find the source of problems and recommend ways to address them.
   • JUST IN TIME (JIT)
     • Many companies find that holding raw materials in inventory is too expensive and is unnecessary. Instead, thay have their suppliers deliver raw materials just when thay are needed or just before they are needed, thus decreasing inventory to close to zero

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