Workshops, Papers and Presentations


WORKSHOP: Modeling Psycho-Social Dynamics, July 24, 2020

System Dynamics Society Conference 

Pascal Gambardella and David Lounsbury, Co-chairs, Psychology and Human Behavior SIG, System Dynamics Society

Many System Dynamics models need psychological and sociological constructs to achieve their purpose. These constructs include intangibles like trust, motivation, and morale. This workshop describes the modeling activities designed to incorporate these constructs into stock-and-flow structures.

Most examples come from models of reputation for an organization. Relevant constructs include reputation, moral outrage, empathy, expertise, loyalty, transparency and commitment. The purpose of one model is to help companies prepare for and handle a reputational crisis.

Workshop on YouTube

We presented the workshop in two 90 minute segments. Here are the links to each: Part 1 and Part 2.

Workshop Materials

Modeling Psycho-Social Dynamics mind map (July 2020). We used this mind map as our presentation format.

Reputations Offerings and Quality Model (Post-Workshop Update – August 22, 2020). This zip file contains the CLD, and “Stock and Flow” versions of the model in Stella.  A new company wants to hire and keep creative people to design innovative products and services (offerings). Innovative offerings increased the company reputation and win new customers and new creative employees. However, quality problems arose and diverted some of these creative people to work on tedious tasks. They are not happy and their loyalty to this once exciting company wanes. Customers are not happy either, and they sever their relationship with the company. The company’s reputation declines and they have trouble hiring enough new creative people. The situation improves once the company addresses the quality issues. 

Reputation Crisis Management Model (Post-Workshop Update – August 22, 2020). This model illustrates the effect of a reputational crisis and an organization’s response to it. David Diermeier’s book Reputation Rules (2011) provides the source material.

Reference Materials

Annotated Bibliography: Modeling Psycho-Social Dynamics. Gambardella, P. J., & Lounsbury, D. (2020). The references in this annotated bibliography result from a literature review.  This is a working document. Last update on July 11, 2020.

A Co-flow Structure for Goal-directed Internal Change (2017) Gambardella, P. J., D. E. Polk, D.W. Lounsbury, and R.L Levine. Systems Dynamics Review, Volume 33, No. 1, pages 34 -58 (January/March 2017).  A free version of this paper is available at the US National Library of Medicine website. Examples of this co-flow structure appear in the  2017 “Modeling Psychological and Sociological Dynamics” workshop slides. and the 2020 mind map.

Previous Workshop (July 2017)

Modeling Psychological and Sociological Dynamics (2017). Gambardella, P. J., & Lounsbury, D. (2017). The slides of a workshop we presented at the International Conference of the System Dynamics Society on July 20, 2017. Associated Models and Supplementary Material. The models are in the Vensim and Stella applications. PDF of Slides. PDF of Slides and Note pages.


Interest Rates and Inflation: A Simple Model Predicting Interest Rate Behavior (2016) Coopersmith, M. and P. Gambardella (2016). PDF of Paper.

Corporate Training Dynamics and Insights (2013). Gambardella, P.J., Wainwright, C.,  Jones-Kelleher, Helen (2013).  Paper presented at the International Conference of the System Dynamics Society. PDF of Paper,   PDF of the Presentation. 

Application of strategy dynamics: Starbucks Corporation (2009). Gambardella, P.J. (2009). Paper presented at the International Conference of the System Dynamics Society:     PDF of Paper,       PDF of the Presentation.

Related Book 

Systemic Coaching: Coaching the Whole Person with Meta-Coaching (2013). Hall, L. M. and P. J. Gambardella, Clifton, Neuro-Semantics Publications. This book applies System Thinking to Meta-Coaching. It uses causal loop diagrams (CLDs) from System Dynamics to better understand coaching sessions in Neuro-Semantics. (For more information, use this link to the International Society of Neuro-Semantics, or go to


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