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Peter Van der Straaten

Introduction to Personas - 0 views

  • Unlike actors, personas are not roles which people play
  • Personas are different because they describe an archetypical instance of an actor.  In a use case model we would have a Customer actor, yet with personas we would instead describe several different types of customers to help bring the idea to life.
  • first introduced by Alan Cooper
Peter Van der Straaten

Use Cases of Mass Destruction | Dr Dobb's - 1 views

  • examined the effectiveness of use cases;
  • two fundamental observations
  • 1. Use cases, when used properly, can be an effective form of requirements. 2. From an industry perspective, use cases may have a negative impact on overall productivity.
  • ...7 more annotations...
  • bureaucrats often want you to make your use cases more complex and wordy than they need to be
  • many organizations are struggling with use cases
  • use cases have had a negative impact on our overall productivity across the IT industry
  • Use-case modeling specialists
  • use cases are a critical part of anything you do, whether it's appropriate or not
  • They're very good for exploring usage requirements, but not so good for exploring user-interface or data requirements, business rules, or constraints
  • too many people arguing about formatting issues, content issues, traceability issues
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