Guidelines for developing Causal Loop Diagrams.

1. Causal Loop Diagram
Relationship Modeling
Introduction

2. Relationship Modeling
• Capture understanding
• Overcome individual limitations
• Qualitative in nature

3. Intent of this Video
• Understand elements
• Alternative notation
• Notation short comings
• Preferred notation
• Develop a Causal Loop Diagram

4. Elements
• Entity – non negative noun or noun phrase
• Influence – relationship between entities
• Simplest CLD – 2 entities + 1 influence

5. Notation

6. Notation Resolution
• Variables
• Instantaneous & Accumulators (Stock)
• Differentiate the two
• Rectangles for Stocks

7. Causal Loop Diagram
Loops & Loops

8. Growth Loop

9. Goal Seeking Loop

10. Emergence
• Properties arising from interactions

11. Additional Thoughts
• Telling Loops - count the “-” signs
• Odd number is a balancing loop
• Even number is a reinforcing loop
• Delay – use || or delay on the line
• Qualitative only, not quantitative
• See Stock & Flow Diagram Video

12. Systems Thinking World
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