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Requirements elicitation (Techniques (Creativity (Change of perspective (6…

- - - - 6 thinking hats
  - - - Throw away
        
        only the hardest part needs prototype
        
        its then discarded
      - Evolutionary
        
        do for the easier parts first
        
        increment to become the results
- - - - contain important information that can provide requirements
    - - Organization specific
        
        defined within an organization
      - Product/System-specific document
        
        describing the development of artefact
      - General binding documents
        
        defined by governments/standardized body
  - - - to elicit the properties of exisitng syst
      - identify required enhancements
      - identify previous errors
      - identify known deficiences
      - types
        
        Predecessor
        
        old system still in use/partially replaced by new system
        
        System of competitors
        
        so important requirement are not overlooked
        
        ensure system has differentiating feautures
        
        System from other domain
        
        developed for another domain