1 ONR Principle Investigators: Dr. Joe DiVita, Code 244209 [email protected]Dr Glenn Osga, Code 2441 [email protected]Dr. David Kieras - University of Michigan Dr. Tom Santoro - NSMRL Groton CT Mr. Rob Morris, Code 244209 [email protected]Contributors: Dr. Hung T. Nguyen- New Mexico State University Modeling of Human-Computer Interactio Application to Command & Control Presented at Systems Design Technical Group Meeting HFS Annual Conference, Denver Colorado, Oct. 2003
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Based upon Stepwise models as defined in: Psychology of Human-Computer Interaction, Card, Moran, and Newell (1983).
Goals: What Must be Accomplished Operators: Elementary Perceptual, Motor,
or Cognitive Acts.
Methods: Step by Step Procedure for a Goal
Selection Rules: Basis for Choosing Methods
GOMS Components
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GLEAN: GOMS Language Evaluation and Analysis Tool
Simulated Interaction
Devices Auditory Input
Declarative and Procedural Knowledge in Long Term memory
Visual Input
Cognitive
Processor
GOMS Language
Interpreter
Working
Memory
Auditory
Processor
Visual
Processor
Vocal Motor
Processor
Manual Motor
Processor
Task Environment
Kieras, D.E., Wood, S.D., Abotel, K., & Hornof, A. (1995). GLEAN: A Computer-BasedTool for Rapid GOMS Model Usability Evaluation of User Interface Designs. InProceeding of UIST, 1995, Pittsburg, PA, USA. November 14-17, 1995. New York:ACM. pp. 91-100.
Model-based Evaluation David Kieras University of Michiganto appear in J. Jacko & A. Sears (Eds), Human-Computer Interaction Handbook, Lawrence Erlbaum Associates, in press
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• Define the Goals:• How are they accomplished ?• How might they be accomplished?• What are the alternatives?
2. Write the Methods in GOMSL,
3. Build the HCI and Task Environment in C++,
4. Run the Scenario(s) & Review Results.
1. Task Analysis
Using Models for Design Trade-Off Studies
Analysis Procedure:
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Display Design Components
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Task Task Manager Manager Task Task QueueQueue
Task Task Manager Manager Task Task QueueQueue
Systems StatusCommunicationsCommunicationsCommunicationsCommunications
Task Manager & Status DisplayTask Manager & Status Display
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Strike Plan Overview Task
Progress
Process Visualization - Tactical Tomahawk
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Avg Time Avg Time Method for Goal Frequency FrequencySPOKEN SYNTHETIC SPOKEN SYNTHETIC