Search found 5 matches

by "John J. Voyer"
Tue Apr 22, 2003 9:10 am
Forum: SD Mailing List Archive
Topic: can system dynamics learn
Replies: 1
Views: 1956

can system dynamics learn

This has been a very interesting dialogue so far. I wanted to add one observation. No one has explicitly mentioned the distinction between single- loop and double-loop learning. The former is when an organization learns better how to hit its targets and goals. This, implicitly, is the form of learni...
by "John J. Voyer"
Thu Feb 20, 2003 3:47 pm
Forum: SD Mailing List Archive
Topic: SD and the propensity to file long term disability
Replies: 2
Views: 4358

SD and the propensity to file long term disability

Im placing a query on behalf of a USM colleague, Jack Jensen, who is looking for any information from the Systems Dynamics world into modeling that has been performed on the drivers of an individual’s tendency to file a long-term disability (LTD) insurance claim. For example, he is interested in see...
by "John J. Voyer"
Wed Mar 20, 2002 10:08 am
Forum: SD Mailing List Archive
Topic: SD Models from Written Text
Replies: 30
Views: 28429

SD Models from Written Text

Jay Forrest makes a valuable point: "1) There is a difference between deriving a model from text and developing a model in an interview process." As Jay Forrester and others have argued, perfecting the art/science of sufacing mental models (as the precursors to SD models) is a worthy goal....
by "John J. Voyer"
Mon Mar 11, 2002 12:41 pm
Forum: SD Mailing List Archive
Topic: System Dynamics Society Membership
Replies: 9
Views: 10742

System Dynamics Society Membership

I guess that, even though I agree that his first argument would be easy to implement, I find Bills second argument a bit more compelling. Anyone who finds information requests from non-members to be intrusive and burdensome can simply ignore them. People who want to help others, whether or not they ...
by "John J. Voyer"
Fri Mar 01, 2002 1:51 pm
Forum: SD Mailing List Archive
Topic: SD Models from Written Text
Replies: 30
Views: 28429

SD Models from Written Text

One place to start might be Wrightson, M. (1976). "The documentary coding method." In R. Axelrod (Ed.). The structure of decision: The cognitive maps of political elites. Princeton, NJ: The Princeton University Press. <FontFamily><param>Arial</param> Axelrods book is all about how to creat...