Mensch Computer Interaktion at Universität Stuttgart

Flashcards and summaries for Mensch Computer Interaktion at the Universität Stuttgart

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Study with flashcards and summaries for the course Mensch Computer Interaktion at the Universität Stuttgart

Exemplary flashcards for Mensch Computer Interaktion at the Universität Stuttgart on StudySmarter:

Conflicting User Needs

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Understanding User Needs

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Problems and Challenges in HCI

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Solutions in HCI

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Human Computer Interaction (HCI)

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Utility

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Usability

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Likeability

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What is Usability?(Usability 101 by Jakob Nielson)

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Usability 101 by Jakob Nielson

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How to achieve usability

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User Experience (UX)

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Exemplary flashcards for Mensch Computer Interaktion at the Universität Stuttgart on StudySmarter:

Mensch Computer Interaktion

Conflicting User Needs

complex mix of (often conflicting) needs
• Users have difficulties to weight values they want against each other
• Many values are not explicitly communicated

Mensch Computer Interaktion

Understanding User Needs

user needs are often very
abstract and hence the guidance for a concrete implementation is often
limited

Mensch Computer Interaktion

Problems and Challenges in HCI

  • not seen as a problem before there is a solution
  • if problems are identified, they are typically easy to
    understand by non-experts

Mensch Computer Interaktion

Solutions in HCI

• once a solution is there, people will generally not
remember that there was a problem
• good and in particular great solutions (if found) often
appear obvious (once they are there)

Mensch Computer Interaktion

Human Computer Interaction (HCI)

discipline concerned with the design, evaluation and implementation of interactive computing systems for human use and with the study of major phenomena surrounding them


Mensch Computer Interaktion

Utility


product can be used to reach a certain goal or to perform a certain task

Mensch Computer Interaktion

Usability

relates to the question of quality and efficiency

how well does a product support the user to reach a certain goal or to perform a certain task

Mensch Computer Interaktion

Likeability

may be related to utility and usability

Mensch Computer Interaktion

What is Usability?(Usability 101 by Jakob Nielson)

“Usability is a quality attribute that assesses how easy user interfaces are to use. The word ‘usability’ also refers to methods for improving ease-of- use during the design process.

Mensch Computer Interaktion

Usability 101 by Jakob Nielson

• Learnability: 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,
and how easily can they recover from the errors?
• Satisfaction: How pleasant is it to use the design?

Mensch Computer Interaktion

How to achieve usability

  • Identify what utility and usability for the product means
  • Common effort in the design and development process
  • Iterative evaluation
  • Improvement after product release

Mensch Computer Interaktion

User Experience (UX)

A person's perceptions and responses that result from the use or anticipated use of a product, system or service

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