KLM The Keystroke-Level Model
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Questions and Answers

What is a technique that allows UX designers to calculate the time required to perform an action in VR environments?

  • Mental models
  • Split attention
  • Cognitive load
  • Keystroke level model (KLM) (correct)
  • Which of the following is NOT a key principle that designers should apply when designing virtual reality experiences?

  • Split attention
  • Embodied cognition
  • Situational cognition (correct)
  • Distributed cognition
  • What aspect of human cognition is influenced by the way we use our body to immerse in virtual or physical worlds?

  • Mental models
  • Embodied cognition (correct)
  • Attention
  • Memory
  • Which technique allows UX designers to evaluate interactions in VR environments without involving users?

    <p>Cognitive walkthrough</p> Signup and view all the answers

    What are some key aspects that designers should consider when designing virtual reality experiences?

    <p>Memory, information processing, attention, visual perception</p> Signup and view all the answers

    Why should designers apply theories and principles of human cognition when designing virtual reality experiences?

    <p>To improve user experience and interaction</p> Signup and view all the answers

    What is the Keystroke-Level Model (KLM) used for?

    <p>To predict the time it takes a user to complete a task</p> Signup and view all the answers

    Which of the following is NOT one of the six operators used in the original KLM?

    <p>Raise hand</p> Signup and view all the answers

    In the example provided, what is the value of K when searching for 'Stranger Things' on Google?

    <p>15 * 0.12ms</p> Signup and view all the answers

    Which of the following is NOT one of the five new operators proposed for the extended KLM for mixed reality environments?

    <p>Voice command</p> Signup and view all the answers

    What is the value of P in the 'Stranger Things' example?

    <p>1.10</p> Signup and view all the answers

    The KLM was originally developed in the context of which type of software?

    <p>Desktop software</p> Signup and view all the answers

    What is the Keystroke-Level Model (KLM) used for?

    <p>Evaluating the efficiency of interacting with an interface without involving users</p> Signup and view all the answers

    Which of the following is a drawback of Human Information Processing models mentioned in the text?

    <p>They lack research validating their suitability in extended reality environments</p> Signup and view all the answers

    What is the benefit of Human Information Processing models mentioned in the text?

    <p>They allow for establishing the level of information processing required to complete a task without designing a prototype</p> Signup and view all the answers

    What is the Keystroke-Level Model (KLM) considered to be?

    <p>A simple model for evaluating the efficiency of interacting with an interface</p> Signup and view all the answers

    Which of the following is NOT mentioned as a component of the rational activity described by the problem space principle?

    <p>User interface design guidelines</p> Signup and view all the answers

    What is the purpose of the principle of rationality in the context of user actions?

    <p>To ensure that users follow a specific order of actions without deviations to attain a goal</p> Signup and view all the answers

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