ISO 9241: Usability Standards for Human-System Interaction
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Questions and Answers

What is the primary goal of usability inspection?

  • To identify design principles
  • To compare products to design principles
  • To evaluate the overall usability of a system
  • To find usability problems in a design (correct)

    • What is cognitive walkthrough?

  • A method to compare products to design principles
  • A usability evaluation method involving experts
  • A method to evaluate the overall usability of a system
  • A method to identify usability problems from a user's perspective (correct)

    • What is heuristic evaluation?

  • A method to find design principles
  • A method to evaluate the overall usability of a system
  • A method to compare products to a list of design principles (correct)
  • A method to identify usability problems from a user's perspective

    • Who typically conducts heuristic evaluation?

    <p>Experts, preferably</p> Signup and view all the answers

    What is the outcome of usability inspection?

    <p>A list of usability problems</p> Signup and view all the answers

    What is the purpose of evaluating the severity of usability problems?

    <p>To determine the importance of addressing usability problems</p> Signup and view all the answers

    What is the primary focus of the ISO 9241 standard?

    <p>Human-system interaction</p> Signup and view all the answers

    Which of the following is NOT one of the principles of usability according to ISO 9241?

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

    Who is known for coining the term 'usability engineering'?

    <p>Jakob Nielsen</p> Signup and view all the answers

    What is the title of Donald Norman's notable book on design?

    <p>The Design of Everyday Things</p> Signup and view all the answers

    Who are notable for their early work in human factors and ergonomics?

    <p>Alphonse Chapanis, Wendell Garner, and Paul Fitts</p> Signup and view all the answers

    What is the primary goal of a system with low error rate?

    <p>To reduce errors</p> Signup and view all the answers

    What is the method of usability inspection that involves having usability specialists judge whether each dialogue element follows established usability principles?

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

    What is the purpose of providing feedback within a reasonable amount of time?

    <p>To keep users informed about what is going on</p> Signup and view all the answers

    Why should the design speak the users' language?

    <p>To use words, phrases, and concepts familiar to the user</p> Signup and view all the answers

    What is the purpose of having a clearly marked "emergency exit"?

    <p>To allow users to leave the unwanted action</p> Signup and view all the answers

    Why should users not have to wonder whether different words, situations, or actions mean the same thing?

    <p>To follow platform and industry conventions</p> Signup and view all the answers

    What is the main goal of the usability heuristic that states the design should keep users informed about what is going on?

    <p>To provide feedback within a reasonable amount of time</p> Signup and view all the answers

    What is the primary objective of user testing?

    <p>To identify areas where users struggle with the interface</p> Signup and view all the answers

    What is the definition of the interface in ergonomics?

    <p>The point of interaction between a user and a system</p> Signup and view all the answers

    What is the primary goal of an efficient interface?

    <p>To allow users to achieve their goals with minimal steps and wasted effort</p> Signup and view all the answers

    What is the purpose of observing users during user testing?

    <p>To identify areas where users succeed and have difficulties with the interface</p> Signup and view all the answers

    What is the characteristic of a learnable interface?

    <p>It is easy for users to understand and use, with minimal training required</p> Signup and view all the answers

    What is the primary difference between user testing and usability testing?

    <p>User testing is a type of usability testing, but they are often used interchangeably</p> Signup and view all the answers

    What is the category for kids who are late in meeting developmental milestones like walking and talking?

    <p>Developmental Delay</p> Signup and view all the answers

    What category includes a range of hearing issues that can be permanent or temporary?

    <p>Hearing Impairment</p> Signup and view all the answers

    What is the category for kids with below-average intellectual ability, such as those with Down syndrome?

    <p>Intellectual Disabilities</p> Signup and view all the answers

    What category is used when the combination of disabilities requires a highly specialized approach?

    <p>Multiple Disabilities</p> Signup and view all the answers

    What category includes anxiety disorder, bipolar disorder, and oppositional defiant disorder?

    <p>Emotional Disturbance</p> Signup and view all the answers

    What category covers issues with bones, joints, and muscles?

    <p>Orthopedic Impairment</p> Signup and view all the answers

    Study Notes

    Usability Theory and Evaluation

    • Usability inspection is a generic name for a set of methods that aim to find usability problems in a design.
    • It involves evaluators inspecting a user interface to identify issues.
    • Heuristic evaluation is a usability evaluation method that compares a product to a list of design principles (heuristics) to identify where the product does not follow those principles.

    10 Usability Heuristics

    • Keep users informed about what is going on, through appropriate feedback within a reasonable amount of time.
    • Speak the users' language, and avoid internal jargon.
    • Prevent errors from happening, and provide a "clearly marked exit" for users to leave unwanted actions.
    • Follow platform and industry conventions to avoid confusion.

    Methods of Usability Inspection

    • Cognitive walkthrough: evaluators work through a series of tasks and ask questions from the user's perspective.
    • Heuristic evaluation: comparing a product to a list of design principles (heuristics) to identify where the product does not follow those principles.

    User Testing

    • Moderate the test, perform user testing, and observe what users do to identify difficulties with the user interface.

    The Interface and Usability Process

    • The interface refers to the point of interaction between a user and a system.
    • The interface should be efficient, effective, learnable, and provide excellent usability and user engagement.

    ISO 9241

    • An international standard that provides a framework for understanding usability in the context of human-system interaction.

    Pioneers of Usability Theory

    • Donald Norman: known for his books on design, especially "The Design of Everyday Things".
    • Jakob Nielsen: a usability consultant known for his work on user interface design and for coining the term "usability engineering".
    • Alphonse Chapanis, Wendell Garner, and Paul Fitts: notable for their early work in human factors and ergonomics.

    Types of Disabilities

    • Dyslexia, Dyscalculia, Written expression disorder
    • Speech or Language Impairment
    • Other Health Impairment (ADHD)
    • Autism
    • Intellectual Disabilities
    • Emotional Disturbance
    • Developmental Delay
    • Multiple Disabilities
    • Hearing Impairment
    • Orthopedic Impairment

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    Description

    This quiz covers the ISO 9241 standard, which focuses on usability in human-system interaction, including error reduction, learnability, and user satisfaction. Test your knowledge of this important concept in industrial engineering.

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