Types of Design
Cost-Benefit Analysis:
$ to fix
$ to design
Job Evaluation and Design
Reactive
  • Late
  • Change Design
  • Have Exact Dimensions
Proactive
  • Early
  • Design Better
  • Workplace doesn't exist; cannot measure things
Financial Costs/Benefits
  • Not colloquial/Qualitative
  • Quantifiable costs and benefits
Costs
  • Equipment
  • Tie
  • Personnel/Survey
  • Installation
  • Software
  • Possible Loss in Production
Benefits
  • Increase Sales
  • Decrease Training Costs
  • Decreased Customer Support Costs
  • Decreased Development Costs
Purpose
  • Labor Planning
  • Production Planning
  • Identify Skills
  • Health & Safety
Ethical Issues
  • Protection of participants from mental or physical harm
  • The right of participants to privacy with respect to their behavior
  • The assurance that participation in research is completely voluntary (Consent)
  • The right of participants to be informed beforehand about the nature of the experimentation.¬†
Front - End Analysis
Purpose: to understand the users, their needs, and the demands of the situation.
  • who are the users
  • major functions
  • environmental conditions
  • user preferences
Nielson Variables of Usability
  • Learnability¬†
  • Efficiency
  • Memorability
  • Errors
  • Satisfaction
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