The structure responsible for rabbit population growth.
Clone of Clone of Rabbit Population
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 Sustaining the Forest
Little Red Riding Hood walking through the woods to Grandma's house. How long will it take?
Clone of Walking to Grandma's
All the following have a common characteristic.
Clone of Essence Property # 2
When endeavoring to develop an understanding of the nature of something it is generally useful to create a model of some type to aid in surfacing that understanding.
Clone of The Essence of AND?
There are about fifteen known archetypes with an interesting set of relationships among them.
Video
SystemsWiki's Musings
Clone of Archetypes
All the following have a common characteristic.
Clone of Essence Property # 2
The interaction of a population of Moose and Wolves.
Video * Context
And? It's All Connected
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Clone of Moose and Wolves
This model is derived from the paper "Nobody Ever Gets Credit for Fixing Problems that Never Happened: Creating and Sustaining Process Improvement" by Nelson P. Repenning and John D Sterman. See Insight 1899 for a simulation of this model.
Clone of Credit Never Happened Relations
This
Loan Cost Model is the second in the series. It takes into account the potential cost of student loans in the case that the student does not manage to graduate college or does not succeed in their career.
- Traditional Career Model
- Savings Model
Understanding Relationship and Their Implications: The Essence of AND?
Clone of Loan Cost Model
There's actually more to filling a swimming pool with water than you might realize.
Clone of Filling a Swimming Pool
While these pictures represent very different things there is a common essence.
Clone of Essence Property # 1
This common archetype of systems that include relapse or recidivism allows exploration of the unintended effects of increasing upstream capacity and swamping downstream capacity. The increase in the relapse rate eventually returns to swamp upstream capacity as well. A social welfare example, based on a TANF case study, from How Small System Dynamics Models Can Help the Policy Process. N. Ghaffarzadegan, J. Lyneis, GP Richardson. System Dynamics Review 27,1 (2011) 22-44 Conference version at http://bit.ly/HlxtZj
Clone of Swamping Insight
From Jay Forrester 1971 book World Dynamics, the earlier, simpler version of the World 3 Limits to Growth Model. Adapted by Geoff McDonnell from Mark Heffernan's ithink version at Systemswiki.org.
Clone of World2 Model of World Dynamics
To develop insights regarding a situation of interest there are a number of things should be considered to ensure a view of the relevant influences.
Clone of Systemic Strategy
When endeavoring to develop an understanding of the nature of something it is generally useful to create a model of some type to aid in surfacing that understanding.
Clone of The Essence of AND?
While these pictures represent very different things there is a common essence.
Clone of Essence Property # 1
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.
Video
The Essence of And?
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Clone of Sustaining the Forest
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
There's actually more to filling a swimming pool with water than you might realize.
Clone of Filling a Swimming Pool
Introduce the concept of modeling and simulation.
Clone of Clone of Sustaining the Forest
The model construction process is actually a balancing loop which endeavors to employ an abstract version of real events to form a model which produces conclusions and behavior which mimic the real events.
Clone of Model Construction Process
This model is derived from the paper "Nobody Ever Gets Credit for Fixing Problems that Never Happened: Creating and Sustaining Process Improvement" by Nelson P. Repenning and John D Sterman. See Insight 1899 for a simulation of this model and SysNet for a Video.
Clone of Credit Never Happened Relations
