Re: [ba-ohs-talk] A constructivist learning environment
If I can say this before Rod Welch of SDS fame reminds us, I already talked
about the Pask models at http://www.bootstrap.org/dkr/discussion/0900.html
(but, from a slightly different perspective, I might add!). (01)
Google is my friend! Oh, to have an SDS on my desktop... (02)
At 07:52 AM 12/12/2001 -0800, you wrote:
>"This series of slides offers a representation of the Pask model, known as
>conversation theory. It begins with an explanation of my own symbol system
>which I use in lieu of Pasks own unique (and oblique) symbol system.
>Through conversation we construct knowledge, filter it, discover our
>differences and strive toward mutual understanding. Mutually agreed-upon
>concepts become community assets. "
>This site uses diagrams composed of what electronic engineers call "op
>amps" -- operational amplifiers. An op amp has two inputs and one
>output. One input tends to drive the output (amplified) and the other
>input tends to inhibit the output. A lot of "neural net" learning devices
>have been modeled with op amps. Think of the feedback between your mouth
>and your ear. Your brain serves as both a source to drive your vocal
>chords to emit sound through your mouth, and as an op amp to note feedback
>by way of your ear to control the level of sound emitted. At this web
>site, that notion has been used to describe all sorts of conversations.