This is the entry model that describes the four building blocks, Stock, Flow, Variable and LInk, used to develop models.

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Part 2 demonstrates labeling of links as well as putting elements of the model in a folder. A number of previously developed models are also presented to provide an idea of what's possible.

What do activities of these images have in common?

Our actions are based on our beliefs and the results of those actions are the basis for our beliefs. The difficulty we create for ourselves is that we make assumptions as to how to interpret the results we select based on our beliefs. As a result we are often operating on a flawed perspective of reality.

The Exponential Growth Archetype is a reinforcing structure which promotes exponential growth. This is one of the two foundation archetypes. The other being the goal seeking structure. See also Archetypes.

Basic Stock & Flow models for use to demonstrate Insight Maker Time Settings.

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A savings account model is the basis for a retirement account.

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There's actually more to filling a swimming pool with water than you might realize.

The three basic simulation structures.

An implementation of the classic Game of Life using agent based modeling.

Rules:

• A live cell with less than two alive neighbors dies.
• A live cell with more than three alive neighbors dies.
• A dead cell with three neighbors becomes alive.

A small change in one variable can have a marked impact on multiple variables. Run the model (with height=0)  and consider the output. What happens if  you change to height=5. Run the model to find out. Was the change what you expected?

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

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Use of the latest version of the button scripts for unfolding a model or walking through the comments.

STW Recursive Vision?

The delays associated with adjusting the shower is a very common example of the Balancing Loop with Delay Systems Archetype. 

Use a bathtub 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 goal seeking balancing loop.

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Model of some of the interactions in a call center.

Creating a Pulse function that has a size and duration based on an outbreak. The assumption is that there can't be an outbreak if there is an outbreak.

This model depicts the high level sector model for the U.S. Economy to be used in contemplating how to assess the health of the economy.

Example of using Pulse function to create a recurring delay.

Understanding relationships is the foundation of effective problem solving. Though relations exists on multiple levels.

Example of using Pulse function to create a recurring delay.

A model of the sequence though which organizational culture emerges over time.

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