As another similar data point, in my SD course I introduce and we model (conceptually and formally) with stocks and flows before introducing feedback and CLD,
then put them together. It works well, perhaps because the students are engineers who have grown up thinking about water flowing through pipes in and out of lakes and tanks and such. But I suspect that it also works well because almost everyone can understand
those concepts once they are explained. However, as John Sterman and others have shown with their research, connecting those simple accumulation structures to behavior is much more difficult, leaving us plenty of fertile ground to educate in.
Dave Ford
David N. Ford, Ph.D., P.E.
Beavers Charitable Trust / William F. Urban ’41 Professor in Construction Engineering and Management
Zachry Department of Civil Engineering
Texas A&M University
College Station, Tx 77843-3136
Voice: (979) 845-3759
Email: xxxxxx@tamu.edu
From: cle_k-12xxxxxx@simplelists.com [mailto:cle_k-12xxxxxx@simplelists.com]
On Behalf Of Louis Macovsky
Sent: Wednesday, March 29, 2017 12:45 PM
To: cle_k-12xxxxxx@simplelists.com
Subject: Re: CLE K-12 Discussion: Anybody heard of Loopy (freeware)?
Years ago when I participated in managing SymBowl in Portland, I had a group of 3rd graders meet once a week to create single stock models. Within the 6 weeks
of meeting they managed research, build, and describe their individual models with a posters for SymBowl.
CLD’s were discussed after they learned to manipulate stock and flows in STELLA.
Stock and flows and then CLDs and then back to stock and flows.
It was a small and brief experiment that seem to work well for these students.
Lou Macovsky
From:
<cle_k-12xxxxxx@simplelists.com> on behalf of Richard Turnock <xxxxxx@comcast.net>
Reply-To: <cle_k-12xxxxxx@simplelists.com>
Date: Tuesday, March 28, 2017 at 2:05 PM
To: <cle_k-12xxxxxx@simplelists.com>
Subject: Re: CLE K-12 Discussion: Anybody heard of Loopy (freeware)?
On Mar 27, 2017, at 4:57 PM, aybeez <xxxxxx@gmail.com> wrote: