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USER REQUIREMENTS - Coggle Diagram

- - - - designer’s knowledge
      - vision
      - memory
      - Cameras, voice recorders, and notebooks
  - - - To provide information about real-life situations and circumstances
      - To assess what is happening
      - Because you cannot rely on participants’ willingness
    - - Provides direct information
      - Easy to complete, saves time
      - Can be used in natural or experimental settings
    - - May require training
      - Potential for bias
      - Difficult to analyze
  - - - One on one
        
        allows the researcher control over the process and the interviewee the freedom to express their thoughts
      - Group
        
        researcher acts more as a moderator or facilitator than an interviewer
      - focus groups
        
        questions require you to understand a group dynamic
        
        trying to understand subjective experience
        
        more open-ended
    - - can consume a great deal of time to hear respondents out
      - Personal biases
      - change their questions accordingly.
      - take considerable skill to gather valid data.
  - - - your evaluation questions are well defined and the range of possible answers is limited
      - need to collect data from a fairly large number of people
      - have ability to process and analyze the relatively large amount of data you will collect
    - - Responses are limited to the questions asked
      - provide little opportunity to probe for additional data
      - Often elicit response biases
- - - - Hierarchical Task Analysis (HTA)
        
        systematic method of describing how work is organized in order to meet the overall objective of the job.
        
        Advantages
        
        gathering and organizing information since the hierarchical description needs only
        
        enables the analyst to focus on crucial aspects of the task
        
        allows functional objectives to be specified at the higher levels of the analysis prior to final decisions being made about the hardware.
        
        Clean the House
        
        Clean living room
        
        Clean hallways
        
        Clean Bedrooms
        
        3.1 Clean Master bedroom
        
        3.2 Clean bedroom 2
        
        3.3 Clean bedroom 3
      - Decision/action flow diagrams
    - - CADET
      - IMAS