On Mon, Aug 12, 2013 at 11:37 AM, Harold Nelson
<[log in to unmask]>wrote:
> An interesting link between theory and design for me is that theories, at
> least scientific 'theories', are specialized forms of schema. Schema of all
> types are seminal to design. I don't believe design is possible without the
> use of design schema,
>
Thanks, harold
But i can't resist the opportunity for a citation (especially given the
origins of this discussion).
Schemas are basically the same as "patterns," first introduced by
Christopher Alexander for architecture and now widely used in programming.
Moreover, schema theory has a long and rich history in psychology and AI
(variously called schemas, frames or scripts). So you are correct, and they
can form -- and have been used -- as a fundamental component of some
theories.
Note: The word schema is singular, and the plural is either schemas (my
preference) or schemata (for the purists)
Alexander, C., Ishikawa, S., & Silverstein, M. (1977). *A pattern language:
towns, buildings, construction*. New York: Oxford University Press.
Don
--
Don Norman
Nielsen Norman Group, IDEO Fellow
[log in to unmask] www.jnd.org http://www.core77.com/blog/columns/
Book: "Design of Everyday Things: Revised and Expanded<http://amzn.to/ZOMyys>"
(DOET2). Pub date: November 2013
Course: Udacity On-Line course based on
DOET2<https://www.udacity.com/course/design101> (free).
Nov 2013.
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