Modelling prevalence of cardiovascular disease within a population using agent based modelling. The initial population is defined within Tools->Variables and macros.     This is a partial model that is not yet complete.
Modelling prevalence of cardiovascular disease within a population using agent based modelling. The initial population is defined within Tools->Variables and macros.

This is a partial model that is not yet complete.
 Regulation of resource allocation to service in response to service quality. A non-price-mediated resource allocation system. From Sterman JD Business Dynamics p172 Fig 5-27

Regulation of resource allocation to service in response to service quality. A non-price-mediated resource allocation system. From Sterman JD Business Dynamics p172 Fig 5-27

Based on diagrams in the NAP 2015  Report  Improving diagnosis in health care process Compare with  IM-885  Clinical judgment to provide context and and Decision Ladder  IM-689  to provide decision process task detail
Based on diagrams in the NAP 2015 Report Improving diagnosis in health care process Compare with IM-885 Clinical judgment to provide context and and Decision Ladder IM-689 to provide decision process task detail
 Concept map about how a thermostat works. Slightly adapted from  http://cmap.ihmc.us/docs/linkingwords.html  See how this changed after SD modelling at  IM-736

Concept map about how a thermostat works. Slightly adapted from http://cmap.ihmc.us/docs/linkingwords.html See how this changed after SD modelling at IM-736

From PLOS One  Article  April 2012 Worni, M et al System Dynamics to Model the Unintended Consequences of Denying Payment for Venous Thromboembolism after Total Knee Arthroplasty
From PLOS One Article April 2012 Worni, M et al System Dynamics to Model the Unintended Consequences of Denying Payment for Venous Thromboembolism after Total Knee Arthroplasty
WIP based on Cultural Theory M Thompson, R Ellis and A Wildavsky 1982 Book p 137-140 Chapter 7 on Durkheim
WIP based on Cultural Theory M Thompson, R Ellis and A Wildavsky 1982 Book p 137-140 Chapter 7 on Durkheim
 A  Medical Imaging view of Patient Flows through ED Imaging Workup from  IM-374  , now modified by the Emergency Department's internal and external review procedures.

A  Medical Imaging view of Patient Flows through ED Imaging Workup from IM-374 , now modified by the Emergency Department's internal and external review procedures.

 Based on Ransohoff DF, McNaughton Collins M, Fowler FJ. Why is prostate cancer screening so common when the evidence is so uncertain? A system without negative feedback. Am J Med. 2002;113:663-7. See  IM-15991  for a generic Stock Flow Map

Based on Ransohoff DF, McNaughton Collins M, Fowler FJ. Why is prostate cancer screening so common when the evidence is so uncertain? A system without negative feedback. Am J Med. 2002;113:663-7. See IM-15991 for a generic Stock Flow Map

 Created in James Madison University's ISAT 341 Simulation and Modeling course by Joseph Straub and Andrew Funkhouser. Based on Mark Heffernan's Glucose-Insulin Insight Maker     Glucose Insulin Model Info:  Translated from Hormone.stm in Dynamic Modeling in the Health Sciences James L hargrove, Spr

Created in James Madison University's ISAT 341 Simulation and Modeling course by Joseph Straub and Andrew Funkhouser. Based on Mark Heffernan's Glucose-Insulin Insight Maker


Glucose Insulin Model Info:

Translated from Hormone.stm in Dynamic Modeling in the Health Sciences James L hargrove, Springer 1998, Ch 24 p255-261, by Mark Heffernan.

 From  Werner Ulrich 's JORS Articles Operational research and critical systems thinking – an integrated perspective.  Part 1 : OR as applied systems thinking.  Journal of the Operational Research Societ y advance online publication (14 December 2011). and  Part 2  :OR as argumentative practice.  Se

From Werner Ulrich's JORS Articles Operational research and critical systems thinking – an integrated perspective. Part 1: OR as applied systems thinking. Journal of the Operational Research Society advance online publication (14 December 2011). and Part 2 :OR as argumentative practice.

See also insight on Boundary Critique

3 4 months ago
 An adaptation of the URBAN1 Model from Navid Ghaffarzadegan, John Lyneis and George P Richardson's How small system dynamics models can help the public policy process. System Dynamics Review 27: 22-44 (2011) Conference version at  http://bit.ly/HlxtZj   and LA Alfeld and AK Graham's Introduction to

An adaptation of the URBAN1 Model from Navid Ghaffarzadegan, John Lyneis and George P Richardson's How small system dynamics models can help the public policy process. System Dynamics Review 27: 22-44 (2011) Conference version at http://bit.ly/HlxtZj  and LA Alfeld and AK Graham's Introduction to Urban Dynamics 1974 p 195.

An element of Perspectives: The Foundation of Understanding and Insights for Effective Action. Register at http://www.systemswiki.org/

 Kidney replacement therapy dynamics: causal loop diagram of the kidney dialysis and transplant model extended to Chronic Kidney Disease from MOTOHASHI and NISHI Int. J. Epidemiology1991; 20: 1032-1036

Kidney replacement therapy dynamics: causal loop diagram of the kidney dialysis and transplant model extended to Chronic Kidney Disease from MOTOHASHI and NISHI Int. J. Epidemiology1991; 20: 1032-1036

 
 Barry Richmond's model describing behavior and anxiety theory for the Milgram experiment. Richmond, B. (1977). “Generalization with Individual Uniqueness: Modeling the Milgram Experiments.” Technical Report D-2508-2, System Dynamics Group, Sloan School of Management, MIT. 
  Personal versus Situa

Barry Richmond's model describing behavior and anxiety theory for the Milgram experiment. Richmond, B. (1977). “Generalization with Individual Uniqueness: Modeling the Milgram Experiments.” Technical Report D-2508-2, System Dynamics Group, Sloan School of Management, MIT.

 Personal versus Situational Dynamics: Implications of Barry Richmond’s Models of Classic Experiments in Social Psychology by James K. Doyle, Khalid Saeed, Jeanine Skorinko Department of Social Science and Policy Studies Worcester Polytechnic Institute 2008

See also CLE Class Notes 2014

This systems archetype shows that certain fixes exacerbate the same problem due to its side effects.
This systems archetype shows that certain fixes exacerbate the same problem due to its side effects.
WIP detail of ED Clinical processes with focus on Stabilising and Deciding how to Admit or Discharge safely, the Disposition decision. For more aggregated views see  IM-8237  for flows and  IM-6913  for Physician Delegate Agent Interactions
WIP detail of ED Clinical processes with focus on Stabilising and Deciding how to Admit or Discharge safely, the Disposition decision. For more aggregated views see IM-8237 for flows and IM-6913 for Physician Delegate Agent Interactions
 Jenny W. Rudolph Nelson P.Repenning Disaster Dynamics: Understanding the Role of Quantity in Organizational Collapse Administrative Science Quarterly,47(2002):1-30  paper     

Jenny W. Rudolph Nelson P.Repenning Disaster Dynamics: Understanding the Role of Quantity in Organizational Collapse Administrative Science Quarterly,47(2002):1-30 paper  

 This model shows the dynamics of use of a new medical technology based on its scope of use and perceived relative benefit. The technology needs cumulative usage to fix its glitches, and the benefits will be diluted  as the scope of use widens.

This model shows the dynamics of use of a new medical technology based on its scope of use and perceived relative benefit. The technology needs cumulative usage to fix its glitches, and the benefits will be diluted  as the scope of use widens.