Use a savings account model to investigate the manner in which inflows and outflows govern the quantity of a stock. Extend the structure to create and investigate the relationships of a growth producing reinforcing loop.

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This model was simply to depict the various function groups on the Make an Insight screen.

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Examples of Systems.

We are embedded in a larger system and unless we realize it an act accordingly we are likely to be the victim of it. From Introduction to System Dynamics: Overview by John Sterman

This model introduces the S/O and +/- notation for depicting the relations that might exist between two elements along with why the +/- notation is preferred.

A simplification of the systems approach to deal with a situation.

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This model was started at the STIA+ Conference in Seattle on April 18th by Rebecca Niles of Leverage Networks for discussion at her Open Space session. The intent is to continue that open space here in a virtual context.

The predicament forcing us toward virtual collaboration and our learning about relationships is hopefully encouraging us toward the systemic perspective.

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.

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​Example of using a Macro as a counter. See the comment on Counter for a definition of the Macro then run the simulation to see the counter in action.

Analysis has served us well in developing the understanding of things, at least to a point. Though analysis will not allow us to answer the why questions about things. For that we need synthesis. One might consider analysis and synthesis two sides of a coin that one shouldn't attempt to separate.

Storytelling allows you to build a display sequence for an insight so it can be unfolded to tell the story of the model. You can sequence primitive visibility, messages and javascript actions to unfold the story of the model.

This is just a sample to use for embedding an insight.

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Influences which work in opposition to sustainable capitalism and influences that might work to further promote it.

The problem with microworlds is that too often people simply learn to play the game and the deeper lessons associated with the underlying structure and its associated patterns of behavior are completely missed. It is more appropriate for people to build and work with models to develop a deeper understanding of the relationships and then relate them to family, community, school and the world.

Based on 1990 SDR Article. Control systems act to make their own input match internal standards or reference signals. Competent control systems create illusions of stimulus response causality. Stimulus-response theory can approximate the relationship between disturbance and action, but it can't predict the consequences of behavior. These consequences are maintained despite disturbances.

One of the four basic model forms presented by Hannon & Ruth in Dynamic Modeling.

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Developing a strategy for dealing with a situation begins with a description of the situation and the preferred state for today, not in some distant future, and the perceived implications of not doing anything.

Causal loop diagrams are more rigorous than rich pictures though are still only contain a very few elements with well defined rules for connecting them.

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A system is an entity that the existence of which is maintained via the mutual interaction of its parts and which demonstrates characteristics not exhibited by any of its parts.

Network Magic is high tech start up growing rapidly and having difficulty developing resources to respond to customer demand.

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