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Health Care

SIR Infectious Disease Model

Geoff McDonnell

This is a simple SIR infectious diseases 3 stock model with Susceptibles, Infectives and Recovereds stocks. In the initial description the R signified Removed and could include Deaths, Recovered with immunity to infection (Resistant) or those who had fled the epidemic. Note the need to initiate the epidemic by adding a pulse of a single infected person at time 0. Compare with Bass Diffusion Model IM-610

Health Care Infection

  • 4 years 4 weeks ago

Performance shaping factors

Geoff McDonnell

Incorporating organizational factors into Probabilistic Risk Assessment(PRA) of complex socio-technical systems: A hybrid technique formalization Zahra Mohaghegh, Reza Kazemi, Ali Mosleh Reliability Engineering and System Safety (2009) 94 5 p1000–1018 http://www.sciencedirect.com/science/article/pii/S095183200800269X. More detailed part of Insight 1074

Health Care Behavior Risk Work Systems Technology Human Action Performance Capability Ability

  • 4 years 2 months ago

Hospital Emergency and Elective Admission Interaction CLD

Geoff McDonnell

Causal loop diagram of the dynamics of emergency and elective admissions competing for vacant ward beds in a hospital. From

Lane, David C. and Monefeldt, C. and Rosenhead, Jonathan (2000) Looking in the wrong place for healthcare improvements: a system dynamics study of an accident and emergency department.  Journal of the Operational Research Society, 51 (5). pp. 518-531. ISSN 0160-5682 

See IM-7981 for Simulation Model

Health Care Patient Flow Hospital Emergency

  • 4 years 3 months ago

Swamping Insight

Geoff McDonnell

This common archetype of systems that include relapse or recidivism allows exploration of the unintended effects of increasing upstream capacity and swamping downstream capacity. The increase in the relapse rate eventually returns to swamp upstream capacity as well. A social welfare example, based on a TANF case study, from How Small System Dynamics Models Can Help the Policy Process. N. Ghaffarzadegan, J. Lyneis, GP Richardson. System Dynamics Review 27,1 (2011) 22-44 abstract Conference version here

Health Care Policy Social

  • 1 year 6 months ago

Action-Oriented Problem Solving Dynamics

Geoff McDonnell

From Rudolph JW Morrison JB and Carroll JS (2009) The Dynamics of Action-Oriented Problem Solving: Linking Interpretation and Choice. Academy of Management Review 34 (4) p733-756 Available online . This paper won the Forrester Award for 2012 and the presentation talk video is available. The presentation  paper abstract is available in System Dynamics Review 2013 here

Health Care Decision Making Diagnosis Work Clinical Care Action

  • 1 year 9 months ago

Socio Technical Risk Assessment

Geoff McDonnell

Incorporating organizational factors into Probabilistic Risk Assessment(PRA) of complex socio-technical systems: A hybrid technique formalization Zahra Mohaghegh, Reza Kazemi, Ali Mosleh Reliability Engineering and System Safety (2009) 94 5 p1000–1018 http://www.sciencedirect.com/science/article/pii/S095183200800269X. THis overview has a more detailed area in Insight 1077

Health Care Risk Systems Methods Technology Performance Capability

  • 4 years 2 months ago

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