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Questions and Answers
What is a necessary condition for a system to fulfill its purpose effectively?
What is an example of an intangible component of a system?
What is the purpose of a system's stability?
What is a characteristic of a system's parts?
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What is a characteristic of a causal loop diagram?
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What is the purpose of a system's feedback?
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What is an example of a system?
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What is a characteristic of a system?
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What type of relationships can be observed between variables in a Causal Loop Diagram?
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What is a Reinforcing Loop labeled with in a Causal Loop Diagram?
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How can you identify a Reinforcing Loop in a Causal Loop Diagram?
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What is the purpose of drawing a Causal Loop Diagram?
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What is the result of combining Reinforcing and Balancing Feedback Loops?
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What is a Causal Loop?
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What is a Reinforcing Causal Loop?
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What are Reinforcing and Balancing Feedback Loops considered to be?
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Study Notes
Systems Thinking
- A system consists of a group of interacting, interrelated, or interdependent components that form a complex and unified whole.
- The components of a system can be tangible (physical objects) or intangible (relationships, policies, information flows, interactions, human mind, values, beliefs, and feelings).
Characteristics of a System
- A system's parts must be available for the system to fulfill its purpose effectively.
- A system's parts must be organized in a precise manner for the system to accomplish its purpose.
- Systems definitely have a purpose within larger systems.
- Systems provide for their stability through fluctuations and adjustments.
- Systems ought to have feedback.
Causal Loop Diagrams (CLDs)
- A CLD is comprised of two or more variables that are connected by links, which generally take the form of an arrow.
- A CLD depicts cause-and-effect relationships between variables.
- One or more feedback loops (reinforcing or balancing processes) are present in a CLD.
- Delays can be observed in a CLD.
Reinforcing Loops
- Reinforcing loops can be viewed as the engines of growth and collapse.
- A visual way to identify a reinforcing loop (R) is to count the number of positive/negative (-) in a causal loop diagram (CLD).
- A causal loop is a reinforcing causal loop if the relationship is an even number or zero (e.g., RE0).
Balancing Loops
- A causal loop is a balancing causal loop if the relationship is an odd number or one (e.g., BO1).
- Balancing loops counteract or stabilize the effects of a reinforcing loop.
How to Draw a Causal Loop Diagram
- Formulate the core problem.
- Tell the story of the problem behavior.
- Select the key variables you want to work with.
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Description
A system consists of a group of interacting, interrelated or interdependent components that form a complex and unified whole. The components of a system can be tangible (physical objects) or intangible (relationships, policies,\ information flows,\ interactions,\ human mind,\ values,\ beliefs,\ and feelings). A system's parts must be available for the system to fulfill its purpose effectively. A system's parts must be organized in a precise manner.