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Lotka–Volterra Addiction Model

Edwin Gary Schasteen
The following is a cross between the Lotka-Volterra Predator-Prey model from the Insight Maker manual  ( where the Moose represent problem symptoms, the Wolves represent temporary solution, and the addiction loop from Gene Bellinger's Addiction Archetype ( is added.

Addiction Archetype

  • 6 years 2 months ago


Geoff McDonnell

This models the progressive decline of the ability for self-reliance and the growing dependence on outside help. ​Z508 p39-42 System Zoo 3 by Hartmut Bossel. Strong outside help causes a collapse of self-help capacity. Weak outside help produces a stable combination of wellbeing and self-help capacity.

Health Care System Zoo Self Behavior Addiction

  • 2 years 9 months ago

Beneficical use of Sport to fight Drug Dependence

Hanns-Jürgen Hodann
Several scientific studies have shown that a regime of regular exercise can help drug addicts in fighting their addiction. This simple CLD tries to illustrate  the positive social and physical dynamic that sports activity can generate that may be beneficial in this process. There are also other positive effects of physical exercise that I have not shown. Sports activity  can help increase dopamine levels, which may improve the mood of those fighting drug addiction and  prompt them to stick to their regime of exercises.  

Health Sport Drugs Addiction

  • 4 years 7 months ago

Clone of Addiction Archetype

Edwin Gary Schasteen
An Addiction structure is the same as the Shifting the Burden structure though with the annoying aspect that one becomes addicted to the side effect ensuring that Fundamental Solution won't get implemented and the Symptomatic Solution will be applied repeatedly, and likely with greater frequency. There is a also a video for this insight which is a component of the Systems Thinking World Kumu e-Learning Environment.

STW KeLE Archetype Addiction

  • 6 years 3 months ago