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Related Experiment Video

Updated: Jan 26, 2026

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

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Published on: April 13, 2016

Simulation of Quality Death Spirals based on Human Resources Dynamics.

Ali Alizadeh-Zoeram¹, Alireza Pooya¹, Zahra Naji-Azimi¹

¹1 Ferdowsi University of Mashhad, Mashhad, Iran.

Inquiry : a Journal of Medical Care Organization, Provision and Financing

|April 16, 2019

Summary

Hospital managers can inadvertently trigger "death spirals of quality" due to a lack of systemic thinking. This study models human resources service capacity to demonstrate this phenomenon and identify coping policies.

Keywords:

health care human resources service capacity service quality simulation system dynamics

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Area of Science:

Healthcare Management
Systems Engineering
Operations Research

Background:

Hospital managers strive for quality improvement, but efforts can paradoxically lead to
death spirals of quality.
A key factor is the absence of a systemic perspective, neglecting feedback loops between performance variables like human resources service capacity.

Purpose of the Study:

To design and simulate a dynamic model of human resources service capacity.
To demonstrate the
death spirals of quality
phenomenon.
To identify effective policies for mitigating these spirals.

Main Methods:

System dynamics simulation approach.
Modeling human resources service capacity dynamics.
Case study simulation for a hospital clinic.

Main Results:

The dynamic model successfully demonstrated the
death spirals of quality
phenomenon.
Simulation results indicated that implementing specific policies can effectively combat these spirals.
The model highlights the critical role of human resources capacity in service quality.

Conclusions:

A systemic approach is crucial for effective hospital quality management.
Dynamic simulation modeling provides insights into complex healthcare system behaviors.
Targeted policies based on human resources capacity can prevent quality degradation.