Scriptapedia/Transferring Group Ownership from One Image to Another

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Transferring Group Ownership from One Image to Another

This script is used to accomplish three objectives after the first GMB session: (1) to show the group the way in which insights and structures from the first session were incorporated into the simulation model, (2) to “get permission” from the group to continue the modeling work starting with the new structural diagram, and (3) to move from a complex diagram created in a structure elicitation activity to a simpler and cleaner version created by the modeler/reflector.


Best practices

Primary nature of group task:



Preparation time: 30 minutes

Time required during session: 25 minutes

Time required for follow-up: 0 minutes


  1. Copies of original diagrams and models to be projected
  2. Copies of new simulation model to be projected
  3. Data projector


  • Notes
  • Diagrams
  • Reference modes
  • Products from previous GMB sessions




  • Facilitator
  • Modeler/reflector


  1. The activity starts by projecting the different diagrams (i.e. boundary objects) to be compared, including the final boundary object of the group theory from the first modeling session and the simulation model formulated between the two sessions.
  2. A member of the facilitation team explains to the group how different components of the two diagrams created in the first session were incorporated into the simulation model.
  3. The presentation includes amplifications of the main sectors of the model to make comparisons among the three diagrams easier. The modeling team comments and shows some of the basic assumptions and formulations in the model to the group.
  4. At the end of the presentation, the facilitator “asks the group’s permission” for using the new boundary object as the basis for further theory development.
  5. Once the group agrees on the appropriateness of this new boundary object, the two images from the first modeling session are taken away, and the conversation becomes focused on the simulation model.

Evaluation Criteria:

  • Participants understand the changes from one model to a more complex simulation model produced by the modeling team
  • Participants take ownership of the more complex simulation model


Andersen and Richardson


Documented by Annaliese Calhoun, June 18, 2010 based on Luna-Reyes et al. (2006).




Luna-Reyes, L. F., Martinez-Moyano, I. J., Pardo, T. A., Cresswell, A. M., Andersen, D. F., & Richardson, G. P. (2006). Anatomy of a group model-building intervention: Building dynamic theory from case study research. System Dynamics Review, 22(4), 291-320.


This script based entirely on Luna-Reyes, et al.’s article.