A simple medical workforce model of doctor flows, population and service growth.
Medical Workforce Simple
From Tarek KA Hamid's Book Thinking in Circles About Obesity Springer 2009
Obesity Thinking in Circles
From Powers et al 2011 paper and Mansell's video
Clone of Perceptual Control Theory
WIP to explain iterative modelling of linkages over space and time see also causal pathways IM
Linkages among objects
Version of Suicide 3 insight with known and unknown splits
Suicide Dynamics 4
This simulation is far from complete.
Persebaran Corona
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.
Type 1 Diabetes
From blog entry understandingsociety
Meaning and Causation. Expanded from IM-1163
Social Mechanisms
See reference in diagram notes. WIP for Environment part of primary care regional model
Clone of The Ecology of Medical Care
A simple SD model From alonge2017 health policy and planning article
Pay for Performance in Low Income Health Facilities
WHO FBE WIP Hospitals Safe from Disasters
Hospital Safety Index
A work in progress model for ED daily average flows based on reported statistics by triage category with all triage categories aggregated. Based on a hospital performance report from http://www.bhi.nsw.gov.au/publications/hospital_quarterly_3
ED flows by triage totals
A model of the ladder of inference which shows how we short circuit reality based on the assumptions and beliefs we develop IM-351. Combined with the cyclical scientific process described by Gary An.
Ladder of Inference and Cyclical Scientific Process
A structure used in childhood obesity intervention mechanisms, currently a map WIP which can be enhanced into a simulation
Program Engagement and Behaviour Change Mechanisms
From Powers et al 2011 paper and Mansell's video
Perceptual Control Theory
Here we have a basic SEIR model and we will investigate what changes would be appropriate for modelling the 2019 Coronavirus.
The initial parametrization is based on the suggested current data. The initial population is set for Catalonia.
Clone of COVID-19 spread
Kidney replacement therapy dynamics: stock and flow and CLD (Forrester) diagram of the kidney dialysis and transplant CLD im-317 with added CKD and Risk Factors
Kidney Disease Dialysis and Transplant Stock Flow and CLD
The current Causal loop diagram
Simplified CLD - Used in simulation
A causal loop diagram of thermostat action including conversions between heat and temperature and outside temperature. (Insight 394) extended to include fiddling with the thermostat controls based on differential house and outside temperatures. The simulation model is at Insightmaker 393.
Thermostat causal loop diagram extended
Prochaska's transtheoretical model (TTM) of behavior change. See also Agent Based VersionIM-11578
Behavior change model
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) Researchgate link and eolss synopsis based on LA Alfeld and AK Graham's Introduction to Urban Dynamics 1976. Also p 195 (Dynamo Model Listing).
An element of Perspectives: The Foundation of Understanding and Insights for Effective Action. Register at http://www.systemswiki.org/
Urban Dynamics
WIP concept map to computational model of IMV theory of suicide O'Connor and Nock 2014 Article (broken link) more recent article 2018
Suicide Theory IMV Model
Simple exposition of going solid article by Cook and Rasmussen 2005 after reading p156 section 4.1 of Modelling in Healthcare by CSMG See also Resilience Cs IM
Cost Quality Workload Dynamics
