Search found 17 matches

by Guenther Ossimitz
Fri Apr 30, 1999 5:34 pm
Forum: SD Mailing List Archive
Topic: System Dynamics Mega Link List
Replies: 2
Views: 8324

System Dynamics Mega Link List

Dear SDers around the world, You can find the latest update (29. June 99) of my System Dynamics Mega Link List at http://www.uni-klu.ac.at/users/gossimit/links/bookmksd.htm Please sign the new guestbook at http://www.guestbook4free.com/de/35701/entries/ This might give us a hint who are the people a...
by Guenther Ossimitz
Wed Apr 28, 1999 2:43 pm
Forum: SD Mailing List Archive
Topic: Negative Levels
Replies: 9
Views: 11590

Negative Levels

The discussion about negative values of stocks was very enlighting for me. Just a few remarks: 1) The whole issue reminds me of an old mathematicians joke: "If there are 3 people in a room, and 5 persons leave that room there have to be two persons to enter again so that the room is empty."...
by Guenther Ossimitz
Sun Apr 18, 1999 12:51 am
Forum: SD Mailing List Archive
Topic: SD Mega Link List
Replies: 2
Views: 9133

SD Mega Link List

Dear Friends of SD-related resources worldwide, you may use a new update of my System Dynamics Mega Link List at http://www.uni-klu.ac.at/~gossimit/links/bookmksd.htm The number of links has grown to >250; two new groups have been added to the index. Thank you for your continuous support and for ove...
by Guenther Ossimitz
Sat Apr 10, 1999 3:06 pm
Forum: SD Mailing List Archive
Topic: System Dynamics Mega Link List
Replies: 2
Views: 8324

System Dynamics Mega Link List

Dear SD-ers worldwide, please see the newest update of my System Dyanamics + Systems Thinking Mega Link List at http://www.uni-klu.ac.at/~gossimit/links/bookmksd.htm You may also use the shortcut http://go.just.to/sd Your continuous and growing acceptance of this service (+7770 hits in the last 5 mo...
by Guenther Ossimitz
Tue Apr 06, 1999 8:04 pm
Forum: SD Mailing List Archive
Topic: FINAL Does feedback need to involve levels
Replies: 0
Views: 1958

FINAL Does feedback need to involve levels

Dear SD-colleagues, I appreciated the discussion concerning levels in feedback loops very much. I have grasped some new insights and ideas. Thanks to all contributors! [Hostt note. I share Guenthers thanks. I also feel that we are to the point were more posts are likely to be repetitive so I would a...
by Guenther Ossimitz
Sat Apr 03, 1999 2:15 pm
Forum: SD Mailing List Archive
Topic: Strange spreadsheet concept
Replies: 14
Views: 9432

Strange spreadsheet concept

Jim Hines wrote: > Just a little point on instantaneous feedback. I think there is a (single?) > class of examples in which simultaneity exists in the real world. If you > push down on a table, doesnt the table instantaneously push up against you? > There are other examples for simultaneity. Conside...
by Guenther Ossimitz
Fri Apr 02, 1999 4:58 pm
Forum: SD Mailing List Archive
Topic: Does feedback need to involve levels
Replies: 5
Views: 5971

Does feedback need to involve levels

Khalid Saeed wrote: > A feedback loop must, > however, have at least one stock in its circular path that decouples flows, > creates integration and delays. This is unquestionably true for any system dynamics (SD) feedback loop. But: IMHO also "non-SD feedback loops" do exist. Let me give a...
by Guenther Ossimitz
Thu Apr 23, 1998 6:38 pm
Forum: SD Mailing List Archive
Topic: Article of interest
Replies: 4
Views: 9879

Article of interest

John Sterman wrote: > Solving the commons problem, though crucial, is far from sufficient to > ensure critical resources will be used appropriately. Erling suggests some > remedies for the misperceptions of feedback that may lead individuals and > society to destroy resources even when there is ever...
by Guenther Ossimitz
Thu Apr 16, 1998 2:06 pm
Forum: SD Mailing List Archive
Topic: SD Mega Link List
Replies: 2
Views: 9133

SD Mega Link List

Dear friends of System-Dynamics-related resources, The latest version 16. Nov 98) of my System Dynamics Mega Link List is now available at http://www.uni-klu.ac.at/users/gossimit/links/bookmksd.htm The next update will be in the first days of 1999. The number of links is still growing, although many...
by Guenther Ossimitz
Mon Apr 13, 1998 12:22 pm
Forum: SD Mailing List Archive
Topic: System dynamics in K-12 education
Replies: 9
Views: 9218

System dynamics in K-12 education

Jim Hines wrote: : > A control group of adults would have been interesting. My guess is > that adults have the same difficulties. > : I think so, too. Yet there is some difference: I think that it is feasible for adults or elder students to make some effort to teach these things whereas it doesnt se...
by Guenther Ossimitz
Wed Apr 08, 1998 6:24 pm
Forum: SD Mailing List Archive
Topic: System dynamics in K-12 education
Replies: 9
Views: 9218

System dynamics in K-12 education

Jay W. Forrester wrote: > : > > So, I have a question for people on this list. What aspects of the present > existing knowledge about system dynamics do you believe can not be > understood by 8th grade (about ages 13 to 14)? Of what we now know about > the dynamics of systems, which techniques, insi...
by Guenther Ossimitz
Wed Apr 08, 1998 2:04 pm
Forum: SD Mailing List Archive
Topic: System Dynamics Mega Link List
Replies: 2
Views: 8324

System Dynamics Mega Link List

Dear SD-Friends, The latest update of my System Dynamics Mega Link List is now available at http://www.uni-klu.ac.at/~gossimit/links/bookmksd.htm I am very happy that the SDMLL apparently is being used by many folks out there in Cyberspace. I have got more than 4300 hits in 14 months - far more than...
by Guenther Ossimitz
Fri Apr 03, 1998 4:17 pm
Forum: SD Mailing List Archive
Topic: New Version of System Dynamics Mega Link List!
Replies: 0
Views: 1778

New Version of System Dynamics Mega Link List!

Dear SD-Friends, The latest update (3. Sept. 98) of my System Dynamics Mega Link List is now available at http://www.uni-klu.ac.at/~gossimit/links/bookmksd.htm The SDMLL has got more than 1000 hits in the last two summer months and 6680 altogether! This is far more than I originally expected. Thank ...
by Guenther Ossimitz
Fri Apr 03, 1998 1:04 pm
Forum: SD Mailing List Archive
Topic: System Dynamics Mega Link List - new release!
Replies: 0
Views: 1773

System Dynamics Mega Link List - new release!

Dear SD-friends, the latest update of my System Dynamics Mega Link List is available. I have checked all links, included about 25 new links and removed some outdated links. http://www.uni-klu.ac.at/users/gossimit/links/bookmksd.htm There have been over 1200 hits in the last fifty days alone! Thank y...
by Guenther Ossimitz
Sat Apr 26, 1997 6:36 pm
Forum: SD Mailing List Archive
Topic: List of System Dynamics Web Ressources
Replies: 0
Views: 1745

List of System Dynamics Web Ressources

Greetings SD community! If you are interested in a comprehensive list of SD-related web sites (english and german), please try http://www.uni-klu.ac.at/users/gossimit/links/bookmksd.htm Any comments are welcome! Happy easter! -- Dr. Guenther Ossimitz Abteilung "Didaktik der Mathematik" Uni...
by Guenther Ossimitz
Sat Apr 05, 1997 10:04 am
Forum: SD Mailing List Archive
Topic: Monthly Calendar
Replies: 3
Views: 3601

Monthly Calendar

Bob Eberlein wrote: > I decided some time ago that it might be useful to post a monthly > calendar of workshops and conferences in system dynamics. : Dear Mr. Eberlein, although I sit in Europe and have just a distant view at the SD-People in America, I appreciate your services for the SD-community ...
by Guenther Ossimitz
Wed Apr 02, 1997 7:06 pm
Forum: SD Mailing List Archive
Topic: developement of system thinking skills
Replies: 0
Views: 2096

developement of system thinking skills

Hello, friends of System Dynamics and Systems Thinking! If you are interested in empirical research concerning the development of systems thinking skills using SD modelling tools, please try my new online paper about this topic at http://www.uni-klu.ac.at/users/gossimit/sdyn/gdm_eng.htm In this pape...