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?

@LinkedIn, Twitter, YouTube

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.

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

Through our endeavors we have identified and experimented with a number of environments that seem to satisfy the Web Based, Multi-User and Free requirements and seem well up to the task. It seems that while each environment has its strengths there are additional features we would like to see in each one that would enhance their utility.

In addition to identifying the relevant stakeholders it is essential to understand which elements of the situation are relevant to which stakeholders. Often this is quite apparent and at times it's not so obvious. 

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.

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

@LinkedIn, Twitter, YouTube

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.

Model of some of the interactions in a call center.

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

@LinkedIn, Twitter, YouTube

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

Adding images to a model typically assists in conveying meaning.

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.

A spatially aware, agent based model of disease spread. There are three classes of people: susceptible (healthy), infected (sick and infectious), and recovered (healthy and temporarily immune).

@LinkedIn, Twitter, YouTube

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.

@LinkedIn, Twitter, YouTube

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.

@LinkedIn, Twitter, YouTube

Example of using Pulse function to create a recurring delay.

Citizenship: Gardenbrian View from Gardens of Demoncracy

@LinkedIn, Twitter, YouTube

The limits to growth structure is based on the basic growth structure. And, as should be obvious, nothing grows forever as growth requires resources. Those required resources become a limits to growth.

The limits to growth structure is based on the basic growth structure. And, as should be obvious, nothing grows forever as growth requires resources. Those required resources become a limits to growth.

Inventory Model v1.0 with just the estimated qty per month, order variance and reorder qty.

* See also: Inventory Model v2.0

The causal loop form for a balancing loop.

@LinkedIn, Twitter, YouTube