Download Decision Analysis - Quality Assurance, Organization and Management - Lecture Slides and more Slides Quality Management in PDF only on Docsity! Decision Analysis docsity.com Evaluation Phase (Decision Analysis) docsity.com Evaluating Ideas • Trade Study – Quantify performance characteristics. Select top candidates using NGT, Pair-wise Comparison, etc. Could use software such as Expert Choice®, or Criterium Decision Plus® Record all assumptions when voting. • Customer Acceptance Determine & quantify customer acceptance criteria. Rate surviving ideas against norm & risk. Develop proposal scenarios. docsity.com Criteria Weighting - Paired Comparison CRITERIA A B C D E F G H I CRITERIA A. Safety 4 5 5 5 3 5 5 2 A B. Reliability 5 4 4 4 4 5 5 B C. Portability 2 4 3 3 3 5 C D. Machineabilty 5 4 3 4 4 D E. Constructabilty 3 1 0 2 E F. Frangability 5 4 0 F G. Maintainability 0 1 G H. Serviceability 3 H I. Ergonomic Compatibility I TOTAL The team arrives at consensus on the scores for each criteria. For example, the team decides which is better, A - Safety, or B - Reliability. In this case, B - Reliability wins by 4 points. Next, which is better A, or C- Portability. Winner - A by 5, A A AA AB B B C C C D D D D E E E EF F F F G G G H H I I I I I B BB SCORING scale - 0 to 5 0 = No Difference in Importance 5 = Major Difference in Importance docsity.com CRITERIA WEIGHT A B C D E A. Safety 20.3 101.6 81.3 40.7 61.0 101.6 B. Reliability 22.0 87.8 109.8 43.9 87.8 109.8 C. Portability 6.5 13.0 26.0 6.5 13.0 19.5 D. Machineabilty 13.0 39.0 26.0 26.0 39.0 52.0 E. Constructabilty 7.3 29.3 7.3 29.3 29.3 36.6 F. Frangability 12.2 61.0 24.4 61.0 36.6 36.6 G. Maintainability 8.1 40.7 40.7 24.4 32.5 16.3 H. Serviceability 0.8 3.3 2.4 1.6 2.4 4.1 I. Ergonomic Compatibility 9.8 29.3 9.8 19.5 29.3 39.0 TOTAL 100 404.9 327.6 252.8 330.9 415.4 COST 1,450.00$ 1,711.00$ 1,000.00$ 1,250.00$ 2,100.00$ Value Index 0.28 0.19 0.25 0.26 0.20 best value ALTERNATIVES Each alternative is scored against how well it satisfies the various criteria. Once the scores are assigned, they are multiplied by the weight of the criteria and summed for a total score. Then, a value Index is calculated by dividing the total score by RATE AND RANK OF ALTERNATIVES 1 1 12 2 2 2 2 2 2 2 2 3 3 3 3 33 3 3 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 4 4 4 42 3 3 3 the implementation cost. docsity.com
