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Causal Loop Diagram

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Causal Loop Diagram

  1. 1. Causal Loop Diagram Relationship Modeling Introduction
  2. 2. Relationship Modeling • Capture understanding • Overcome individual limitations • Qualitative in nature
  3. 3. Intent of this Video • Understand elements • Alternative notation • Notation short comings • Preferred notation • Develop a Causal Loop Diagram
  4. 4. Elements • Entity – non negative noun or noun phrase • Influence – relationship between entities • Simplest CLD – 2 entities + 1 influence
  5. 5. Notation
  6. 6. Notation Resolution • Variables • Instantaneous & Accumulators (Stock) • Differentiate the two • Rectangles for Stocks
  7. 7. Causal Loop Diagram Loops & Loops
  8. 8. Growth Loop
  9. 9. Goal Seeking Loop
  10. 10. Emergence • Properties arising from interactions
  11. 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. 12. Systems Thinking World Join us on LinkedIn at http://www.linkedin.com/groups?gid=2639211

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