Selecting a Solution Path Design Process Selection Process

Selecting a Solution Path

Design Process

Selection Process 1. 2. 3. 4. 5. 6. Create a decision matrix Rate the concepts Rank the concepts Combine and improve the concepts Select top concept(s) Reflect on the results

7 Create a Decision Matrix Problem: Lessen premature death of Red Drum due to mouth infections in the lower Laguna Madre of Texas

7 Create a Decision Matrix Problem: Lessen premature death of Red Drum due to mouth infections in the lower Laguna Madre of Texas

Create a Decision Matrix

Create a Decision Matrix

Create a Decision Matrix The first concept is sometimes used as a baseline concept

Rate the Concepts

Rate the Concepts 1 2 3 4 5 Much worse than baseline Worse than baseline No difference from baseline Better than baseline Much better than baseline

Rate the Concepts Alternate Rating System + Better than 0 Same as – Worse than ( + scored as 1) (0 scored as 0) (– scored as -1) Alternate Rating System Any numeric scale (e. g. , 1 – 10)

Rate the Concepts

Rate the Concepts 4

Rate the Concepts e S d te t h eig W x g 4 R n i t a to c Fa r h g i e W = r o c

Rate the Concepts

Rank the Concepts 5 2 6 4 1 7 3 8

Rank the Concepts 1. 2. 3. 4. 5. 6. 7. 8. Concept 5 – Restock regularly Concept 2 – Fishermen treat fish with ointment Concept 7 – Provide fish food with medication Concept 4 – Require treated hooks Concept 1 – DO NOTHING Concept 3 – Treat water with antibiotics Concept 6 – Treat water with chemicals Concept 8 – Ban fishing

Combine and Improve 1. 2. 3. 4. 5. 6. 7. 8. Concept 5 – Restock regularly Concept 2 – Fishermen treat fish with ointment Concept 7 – Provide fish food with medication Concept 4 – Require treated hooks Concept 1 – DO NOTHING Concept 3 – Treat water with antibiotics Concept 6 – Treat water with chemicals Concept 8 – Ban fishing Concept 9 - Stock waters with treated feeder minnows or shrimp that the Red Drum will eat

Select One or More Concepts 1. 2. 3. 4. 5. 6. 7. 8. Concept 5 – Restock Regularly Concept 2 – Fishermen treat fish with ointment Concept 7 – Provide fish food with medication Concept 4 – Require treated hooks Concept 1 – DO NOTHING Concept 3 – Treat water with antibiotics Concept 6 – Treat water with chemicals Concept 8 – Ban fishing Concept 9 - Stock waters with treated feeder minnows or shrimp that the Red Drum will eat

7 Select Top Concept P E R T A E S A N D EE D E

Reflect on the Results 1. Think about the results of your selection process. 2. Review the ideas that have been previously discarded. 3. Consider ways to improve your current choice. 4. Do you still think your selection is the best solution?

Selection Process 1. 2. 3. 4. 5. 6. Create a decision matrix Rate the concepts Rank the concepts Combine and improve the concepts Select top concept(s) Reflect on the results