isd software aids
TRANSCRIPT
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ISD Software Aids:Ghosts from a Distant Past
Jacques LeCavalier
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1.Top CAID* systems from the '90's
2.Types and goals of CAID systems
3.Why did CAID die? Can it be resurrected?
Scary Agenda
*CAID: Computer Assisted Instructional Design
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ID EXPERT
1988-1996David merrill
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ID Expert - Guts
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ID Expert - Screens
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ID Expert - Screens
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Instructionaldesign
environment1988-1996
Pirolli & RussellXerox parc
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IDE - $6 million…
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IDioM / ideal
Gustafson & reeves
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IDioM /IDEAL
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transform
1990-1993cwarc
(LeCavalier et al)
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Transform
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Types and Goals of Systems
Jonassen & Wilson, 1990
“CAD/CAM” tools Expert Systems• Very flexible• Don’t replace user
expertise• Problem-solving space;
may use cases• Target experienced
designers• Manage information
and production
• Rule-based knowledge base(s)
• “Consults” with user• Used for specific
design tasks (e.g., media selection)
• Target more novice designers
“CASE” Tools Hybrid tools• Automation of ISD
process• Based on user-entered
data, produce an ISD specification or learning product
• Integrate broad and deep ISD knowledge
• User exercises limited control
• Bring together best elements of all approaches• Rule bases• Case libraries,
templates• Design platform(s)
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Types and Goals of Systems
LeCavalier & Robert, 1991
Tools that DIRECT Tools that SUPPORT• Novice users• System exercises
control• Rule-based knowledge
• More experienced users
• Information management platform
• Rapid prototyping• User exercises control
Tools that TEACH Tools that help COMMUNICATION
• Formal knowledge (definitions, procedures, research evidence, etc .)
• Informal knowledge (previous designs, discussions, ideas)
• Tutorials, “explicit” expert systems
• Because ISD happens in teams
• Expertise is often distributed
• Facilitates reviews, revisions, re-designs
• Library of previous designs, templates, problem resolutions
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Why did CAID die?
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Why did it die?
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• Systems too expensive to build?
• ISD too complex? …too undefined?
• Quality education/training too unimportant?
• Should the ghosts rise again??
Why did CAID die?