Replaced by IM-752 Causal Loop Rich Picture unfolding from Repenning, N. and J. Sterman (2002). Capability Traps and Self-Confirming Attribution Errors in the Dynamics of Process Improvement. Administrative Science Quarterly, 47: 265 - 295. http://jsterman.scripts.mit.edu/docs/Repenning-2002-CapabilityTraps.pdf

An initial stock-flow feedback map with unfolding story about Suicide Prevention that resulted in a national and regional simulation. See revised version insight

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.

A causal loop diagram of thermostat action including conversions between heat and temperature and outside temperature. The simulation model is at Insightmaker 393

Dynamics of Emergency Room Crowding with treatment spaces. Here we investigate the effect of constrained spaces and ignore any changes in treatment time or staffing effects. Many of the consequences occur before treatment with potential arrivals being turned away and arrivals leaving without being treated.  

Addition of glucagon hormone action to control glucose homeostasis extended from IM-586

From Brown and Heathcote's 2008 Paper on the simplest model of Choice ResponseTime , a Tutorial paper and a Workload capacity paper that estimates drift rate v for individuals with single and multiple targets

The Dynamics of Human Service Delivery General Theory from the Book by Levin, Roberts, Hirsch et al. Ballinger 1975 ISBN 0-88410-132-0 See IM-621 for rich picture version

Here we have modified the SIR model of Insight 584 by adding an additional stock of Exposed people, who become Infective after an incubation period.

WIP ​Based on TAble 1 Jackson 2014 article

Simplest ED Model for Weekend  ED Performance with 1 ED area IM-11079  Ward net discharges are extended with Ward and Waitlist inflow and outflow details (informed by IM-7981) WIP

Addition of two extra articles on specific nicotine  dependence (addiction and habituation) with conceptual maps to initial version

Revised unfolding story of stock-flow feedback map of suicide prevention intermediate version focussed on regional mental health services ( according to Mark heffernan's ithink /STELLA simulation model Aug 2017  Note private WIP version of this is at IM-77395 (private)

Rich picture version of causal loop diagram for medication errors, showing the importance of reporting, analyzing and fixing knowledge and process errors. Medication errors will tend to grow due to the use of more medications in more complex patients. This is exacerbated by the loss of staff knowledge by turnover and goal erosion in places with harmful errors.

A simple generic rich picture view of interactions among concerned people with needs services and resources and abilities (including learning), which can be used as a pattern for many individual health care insights.

A simple generic rich picture view of interactions among concerned people with needs services and resources and abilities (including learning), which can be used as a pattern for many individual health care insights.

SD reformulation of jama psychiatry article mason2017 on neurocomputational model of mood instability and reward dysregulation in bipolar disorder

WIP for regional integration based on NHPA and IHPA activities in Australia

Clone of IM-11079, incorporating Mark Heffernan's SImple SD ithink v10 Model of Hospital Patient Flow done for particle filtering in September 2014

Based on Psychological Medicine Dec 2015 article Depression as a systemic syndrome: mapping the feedback loops of major depressive disorder by A. K. Wittenborn, H. Rahmandad, J. Rick and N. Hosseinichimeh, mentioned here

Main Page for Resilience

From David Rees PhD dissertation "Developing a Theory of Implementation for Better Chronic Health Management" Health Services Research Centre, Victoria University of Wellington, New Zealand

Extension of IM-14124 with an adjusted bed capacity stock. For backlog and services see IM-8382

Rich Picture Version of Insight 386 The Dynamics of Human Service Delivery General Theory from the Book by Levin, Roberts, Hirsch et al. Ballinger 1976 ISBN 0-88410-132-0. See also Services Intro IM