UX and the Product Lifecycle

My notes on UX: A Link In The Product Life Cycle Chain by Robert R Glaser, posted on usabilitygeek.com.

QuickTake: UX is a specifically defined and important part of the entire product life cycle chain

The most common elements of a product lifecycle are (in rough order):

  • Concept
  • Research
  • Development
  • Content
  • Architecture / Flow
  • Prototyping
  • Testing
  • Fixing
  • Usability
  • Visual Design
  • Implementation
  • Marketing
  • Sales
  • Installation
  • Support
  • Training
  • Upgrade and/or Replacement and/or ‘end of life’

All elements are equally important and should receive equal attention in developing a product.

The  UX designer works across the entire chain but doesn’t control it.

UX Design includes developing intuitive user flows:

  • Based not on common sense but user expectation
  • Includes specifics of users and their usage scenarios
  • Requires both close consideration and periodic testing
  • Should follow familiar references (ie calculator interface, video player controls etc)

UX is more than just UI—it should be taken into account in every stage, from product conception to prototyping to eventual everyday usage.

No single link in the lifecycle can be uniquely responsible for its success—but one link alone can be responsible for its failure, so communication among all the team members throughout the entire process is vital.


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