www'webusability EEE459'28

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www.webusabilityEEE459.28
Royal Military College of Canada Electrical and
Computer Engineering
Ref Chap 14 p 317-338

• Professor Greg Phillips
• Greg.Phillips_at_rmc.ca
• 1-613-541-6000 ext. 6491

Major JW Paul Jeff.Paul_at_rmc.ca 1-613-541-6000
ext. 6656
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Operational Context
How did we capture this?
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Name some Operational Factors

• Characteristics of users and user roles
• Aspects of the physical work environment
• Limitations of operating eqpt interface devices
• General and specific operational risk factors
• Must ask ourselves three questions
• How does it affect the design objectives?
• What implication does it have for specific
  aspects or parts of the design?
• What impact does it have on the project design
  guidelines and user interface standards

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Usability and the Web
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Usability

• Is compelling usable
• What is the purpose of the dancing pointer?
• What is the fundamental concept of Usage-Centered
  Design?

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Purpose Profile

• Presence
• Public relations
• Advertisement
• Product promotion

• Sales and sales support
• Technical support
• On-line publishing
• Information resources

content
usability
aesthetics
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Hit Rate

• What determines how often customers visit?
• Speed of operation
• Information content
• Graphics (yes a distant third )
• Long term appeal is based on a design that is
  Well behaved
  Well organized
  Interesting

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Same but different

• Real estate zoning
• Appearance an behaviour of pages may depend on
  browser, screen resolution, user preference
  settings, bandwidth
• Using fixed width tables etc is good or bad?
• Scanning and Skipping
• How often do users change context as they move
  through the site

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Web Woes

• Page Bouncing (snakes and ladders design)
• Deep Drilling
• Linear Layout
• Gone Searching
• Widget Woes
• Just the FAQs

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Questions?
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Next Class

• Embedded Software
• Skim pages 317-338