Unit 1.7 HL

Question 1

Pros and cons of a fishbone diagram

Answer 1

Pros of using FBD

• Enables users to see all information visually
• Encourage participation in brainstorming

Cons of using FBD

• Simplistic
• Ignores interconnectedness of the possible causes of the problem

Question 2

Pros and cons of a decision tree

Answer 2

Pros

• Tangible and mathematical answer to which decision is best
• Enables users to see all information visually

Cons

• Probabilities are estimates of the future and may contain errors
• Estimates may contain bias

Ignores qualitative aspects to the decisions

Question 3

Pros and cons of a force field analysis

Answer 3

Pros

• Enables users to see all information visually
• Allows users to see which stakeholders are influenced most

Allows strategies to be created to strengthen driving forces and weaken restraining forces

Cons

Weightings are approximations and may be incorrect

There may be numerous forces, making the diagram very large

May lead to divisions in the team of users

Question 4

Draw a fishbone, decision tree and a force field analysis