While these pictures represent very different things there is a common essence.
Clone of Essence Property # 1
Introduce the concept of modeling and simulation.
Clone of Clone of Clone of Sustaining the Forest
The interaction of a population of Moose and Wolves.
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The Essence of And?
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Clone of Moose and Wolves
All you wanted to do was put a bird feeder in your yard to attract birds.
Clone of Bird Feeder Dilemma
The structure responsible for rabbit population growth.
Clone of Rabbit Population
What do activities of these images have in common?
Clone of Essence Property # 3
Balancing Loop with Stock & Flow Diagram.
Clone of Balancing Loop with Delay
A small change in one variable can have a marked impact on multiple variables. Run the model [quits change] = 0 and consider the output. What happens if you change [quits change] = 5. Run the model to find out. Was the change what you expected?
Clone of Maintaining Personnel Resources
What do activities of these images have in common?
Clone of Essence Property # 3
While these pictures represent very different things there is a common essence.
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Clone of Essence Property # 1
Simplest Innovation diffusion model from Sterman's Business Dynamics
Ch 9
Clone of Innovation Diffusion
The model starts in 1900. In the year 2000 you get the chance to set a new emission target and nominal time to reach it. Your aim is to have atmospheric CO2 stabilize at about 400 ppmv in 2100. From Sterman, John D. (2008) Risk Communication on Climate: Mental Models and Mass Balance. Science 322 (24 October): 532-533.
Clone of Climate Stabilization Task
While these pictures represent very different things there is a common essence.
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Clone of Essence Property # 1
What do activities of these images have in common?
Clone of Essence Property # 3
This is a model depicting the interactions of the Aesop's Fable "The Boy Who Cried Wolf."
Clone of The Boy Who Cried Wolf
All the following have a common characteristic.
Clone of Essence Property # 2
The structure responsible for rabbit population growth.
Clone of Rabbit Population
All you wanted to do was put a bird feeder in your yard to attract birds and make for a more pleasant morning. And...
Clone of Bird Feeder Dilemma
What do activities of these images have in common?
Clone of Essence Property # 3
If we pay close attention to our actions and the typical outcomes of those actions it would be evident that there are frequently occurring patterns that develop. And there is a relation between the patterns.
Clone of Experience Unfolded
What do activities of these images have in common?
Clone of Essence Property # 3
The model starts in 1900. In the year 2000 you get the chance to set a new emission target and nominal time to reach it. Your aim is to have atmospheric CO2 stabilize at about 400 ppmv in 2100. From Sterman, John D. (2008) Risk Communication on Climate: Mental Models and Mass Balance. Science 322 (24 October): 532-533.
Clone of Climate Stabilization Task
The interaction of a population of Moose and Wolves.
Video
The Essence of And?
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Clone of Moose and Wolves
Consider the following "Sustaining the Forest" model intended to provide another example of how unexpected the behavior of a web of extended interactions can be.
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The Essence of And?
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Clone of Sustaining the Forest
