Extending the Theory of ED Did Not Waits

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Causal Loop Diagram

Here we express the previous model as a causal loop diagram and note some potential feedback effects and adjustments. This includes adding a simple feedback effect of did not waits based on expectations.

Fig. 1 - Causal loop Diagram of ED Did Not Wait Dynamics [Source]

Exercise

Can you identify and improve the labeling of the main causal loops?

In particular, consider the link between the number of people in waiting areas and ED treatment time. How might you weaken or strengthen this link?

Questions & Comments to Geoff McDonnell
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