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Flashcards

HCI

Fabian Harter Interaktivität German 28 cards

Interactive Systems (Graph)

Cards in this deck (28)

  1. 1Interactive Systems (Graph)Interactive Systems (Graph)
  2. 2Human Senses: Vision, Sound, Touch, Smell, Taste (Graph)Human Senses: Vision, Sound, Touch, Smell, Taste (Graph)
  3. 3Structure of memory (Graph)Structure of memory (Graph)
  4. 44 Sensors for Basic Explicit InteractionEntry Devices, Handwriting recognition, Joystick, touch screens,
    the screen acts as input and as output device, no separate hardware necessary, suitable for use in “hostile environments”
  5. 53 Sensors for Explicit InteractionSpeech recognition
    Eyegaze
    Gesture recognition
  6. 63 several factors that influence the level of sensory absolute Thresholdscognitive processes
    adaptation to the stimulus
    individual's motivations & expectations.
  7. 75 Sensors for Implicit Interactionspeech recognition
    eye gaze
    body motions
    proximity
    heart rate
  8. 8Definition Tertium Quidthird unknown aspect causes both other aspects of an hypothesis
  9. 9Definition HistogramFirst introduced by Karl Pearson, is an estimate of probability
    distribution of a continuous variable.
  10. 10Advantage of a Histogramcan display large data sets: use a histogram when the data set consists >=100 values
    no best number of bars, different bar sizes may reveal different features of data
  11. 11Definition Density Scalea function that describes the relative likelihood for a random variable to take on a given value. Much data is distributed “normally”, tendency towards a bell-shaped symmetrical graph
  12. 125 Steps: Hierarchy of human needs (Graph)5 Steps: Hierarchy of human needs (Graph)
  13. 13Model Human Processor (Graph)Model Human Processor (Graph)
  14. 14Definition Model Human ProcessorThe model describes the human
    as three sub-systems:
    Perceptual system: acquire input from real world
    Motor system: manipulate real world
    Cognitive system: connection between input and output; processing and memory
  15. 15Why are Usability and Ergonomics important? (5)Improving usability can:
    increase productivity of users
    reduce costs
    increase sales
    enhance customer loyalty
    win new customers
  16. 166 Jobs Require an Understanding of ErgonomicsSoftware developers: designing and implementing software systems
    Interaction designers: involved in design of all interactive aspects of a product
    Usability engineers: focus on evaluating products, using usability methods &
    principles
    Web designers: develop &create visual design of websites
    Information architects: come up with ideas of how to plan & structure interactive products
    User experience designers: do all the above but also carry out field studies to inform design of products
  17. 17General Interaction Framework (Graph)General Interaction Framework (Graph)
  18. 186 Interaction Stylesnatural language
    question/answer & query dialog
    form-fills & spreadsheets
    WIMP
    point & click
    three-dimensional interfaces
  19. 19Simple Interaction with Screen Dialog (Graph)Simple Interaction with Screen Dialog (Graph)
  20. 205 design rulesPrinciples: abstract design rules
    Golden rules & heuristics: more concrete than principles
    Standards: detailed design rules
    Design patterns: generic solution for specific problem
    Style guides: extremely specific, provided for devices, operating systems, widget libraries
  21. 215 quality components of Usability by Jakob NielsenLearnability: How easy is it for users to accomplish basic tasks the first time they encounter the design?
    Efficiency: Once users have learned the design, how quickly can they perform tasks?
    Memorability: When users return to the design after a period of not using it, how
    easily can they reestablish proficiency
    Errors: How many errors do users make, how severe are these errors, &how easily can they recover from the errors
    Satisfaction: How pleasant is it to use the design?
  22. 223 Principles to support Usability & 3 Principles for UI-Design by ShneidermanPrinciples to Support Usability
    1. Learnability
    2. Flexibility
    3. Robustness
    Principles for UI-Design by Shneiderman
    1. Recognize User Diversity
    2. Follow the Eight Golden Rules
    3. Prevent Errors
  23. 235 Parts of Principles of LearnabilityPredictability
    Synthesizability
    Familiarity
    Generalizability
    Consistency
  24. 244 Parts of Principles of FlexibilityMultithreading
    Task migratability
    Substitutivity
    Customizability
  25. 254 Parts of Principles of RobustnessObservability
    Recoverability
    Task conformance
    Responsiveness
  26. 26The 8 golden RulesStrive for consistency
    Enable frequent users to use shortcuts
    Offer informative feedback
    Design dialogues to yield closure
    Error prevention
    Permit easy reversal of actions
    Support internal locus of control
    Reduce short-term memory load
  27. 274 Principles of Human-centered Design for Interactive Systems (ISO 9241-210)active involvement of users
    appropriate allocation of function between users and technology
    iteration of design solutions
    multi-disciplinary design: different roles in the team
  28. 286 Activities in the Human-centered Design Lifecycle Model6 Activities in the Human-centered Design Lifecycle Model

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Description
Interaktivität Flashcards on HCI, created by Fabian Harter on 30/01/2017.
Created by
Fabian Harter
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  • Created by Verena N · Jan 28, 2017
  • Copied by Fabian Harter · Jan 30, 2017
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