Human Factors Engineering Quiz
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Questions and Answers

What is the primary purpose of user identification and persona development?

  • To analyze the cost of developing the product
  • To create a detailed user manual
  • To define the target audience for the product or system (correct)
  • To evaluate the safety of the product
  • Scenarios, user journeys, and use cases serve to supplement the development of personas.

    True (A)

    What is the purpose of workload analysis in human factors engineering?

    Workload analysis assesses whether the product or system places excessive mental or physical demands on the user, considering potential strain and efficiency.

    When a product or system has potential implications for human safety, a ______ should be conducted.

    <p>safety and hazard analysis</p> Signup and view all the answers

    Match the following human factors analysis methods with their descriptions:

    <p>User identification and persona development = Creating realistic representations of target users Workload analysis = Assessing the mental and physical demands on the user Safety and hazard analysis = Identifying potential risks and dangers associated with the product or system Function allocation analysis = Deciding how to distribute tasks between humans and technology Design heuristics = Providing quick feedback on whether a design is consistent with human capabilities Design patterns = Solutions to commonly occurring design problems Quality Function Deployment (QFD) = Prioritizing system features based on user needs Cost/benefit analysis = Comparing different designs based on their cost and benefits Tradeoff analysis = Identifying the most promising design implementation by balancing advantages and disadvantages Paper prototyping = Understanding user needs through low-fidelity prototypes</p> Signup and view all the answers

    What is the primary goal of human factors specialists when translating user needs and goals into system specifications?

    <p>To create a system that is optimized for users (C)</p> Signup and view all the answers

    Quality Function Deployment (QFD) helps prioritize system features by using a tool called the House of Quality.

    <p>True (A)</p> Signup and view all the answers

    What is the significance of the design with the lowest cost/benefit ratio in a cost/benefit analysis?

    <p>The design with the lowest cost/benefit ratio represents the greatest value, as it offers the highest benefits for the lowest cost.</p> Signup and view all the answers

    What can lead to perceptual errors in unexpected situations?

    <p>Degraded bottom-up processing (D)</p> Signup and view all the answers

    Top-down processing helps improve the perception of unexpected situations.

    <p>True (A)</p> Signup and view all the answers

    What is the primary function of working memory?

    <p>To temporarily hold and manipulate information.</p> Signup and view all the answers

    The limits of working memory are generally described as _____ items.

    <p>7 ± 2</p> Signup and view all the answers

    Match the following terms to their definitions:

    <p>Working Memory = Temporary storage of information Long-term Memory = Permanent storage of information Negation = The absence of affirmation Contextual Cues = Environmental factors influencing perception</p> Signup and view all the answers

    What should be highlighted in sentences to avoid misinterpretation?

    <p>The negation (A)</p> Signup and view all the answers

    Context has no effect on perception during usability testing.

    <p>False (B)</p> Signup and view all the answers

    What term is used to describe the failure to retrieve information from memory?

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

    What is the capacity of working memory in terms of chunks?

    <p>4 chunks (B)</p> Signup and view all the answers

    The episodic buffer is responsible for maintaining verbal information in working memory.

    <p>False (B)</p> Signup and view all the answers

    What must happen for information to remain in working memory for an extended time?

    <p>It must be rehearsed periodically.</p> Signup and view all the answers

    Working memory enables the storage of both ______ and ______ information.

    <p>verbal, spatial</p> Signup and view all the answers

    Match the following working memory components with their primary functions:

    <p>Central Executive = Operates on stored information Phonological Loop = Holds verbal information Visuospatial Sketchpad = Holds spatial information Episodic Buffer = Facilitates meaningful sequence of events</p> Signup and view all the answers

    Which of these techniques can help minimize working memory load?

    <p>Providing visual echoes (C)</p> Signup and view all the answers

    Availability and type of attention do not affect working memory performance.

    <p>False (B)</p> Signup and view all the answers

    What is chunking and how does it benefit working memory?

    <p>Chunking is the process of grouping information into larger units, allowing more information to be held in working memory and aiding transfer to long-term memory.</p> Signup and view all the answers

    What is the primary reason evaluating training effects immediately after an instructional unit is misleading?

    <p>Strength of memory decays rapidly in the initial days (D)</p> Signup and view all the answers

    Weak memory retrieval can be caused by a lack of associations with other information.

    <p>True (A)</p> Signup and view all the answers

    What term is used to describe the repeated performance of an action over time to establish a habit?

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

    The _____ is the cue that triggers the start of a routine in habit design.

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

    Match each aspect of habit design with its description:

    <p>Trigger = Cue that indicates when to start Routine = Concrete activity Feedback = Information indicating completion Reward = Positive outcome that is enjoyable</p> Signup and view all the answers

    Which of the following is NOT a type of organization in long-term memory?

    <p>Procedural memory (C)</p> Signup and view all the answers

    Habits occur effortlessly and require cognitive resources to establish.

    <p>False (B)</p> Signup and view all the answers

    What term best describes the knowledge structure about a specific topic?

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

    Which of the following describes cognitive heuristics?

    <p>Rules-of-thumb that simplify decision-making (C)</p> Signup and view all the answers

    Heuristics always guarantee the best decision outcome.

    <p>False (B)</p> Signup and view all the answers

    What is one reason why experts may avoid biases in decision making?

    <p>They draw from a large set of experiences.</p> Signup and view all the answers

    The systematic flaws in heuristics are often referred to as __________.

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

    Match the heuristic type with its description:

    <p>Overconfidence = Believing one's judgments are more reliable than they actually are Confirmation bias = Favoring information that confirms existing beliefs Availability = Basing decisions on information that comes to mind easily Framing bias = Influencing decisions based on how choices are presented</p> Signup and view all the answers

    What does 'cognitive tunneling' refer to in decision making?

    <p>Ignoring important information due to focus on one aspect (D)</p> Signup and view all the answers

    Experts can never fall prey to biases in heuristics.

    <p>False (B)</p> Signup and view all the answers

    Which of the following is a necessary characteristic of maps for effective navigation?

    <p>They must be legible to be useful. (C)</p> Signup and view all the answers

    Three-dimensional maps always provide a precise judgment of distance.

    <p>False (B)</p> Signup and view all the answers

    What are the three levels of emotional processing?

    <p>Reactions, Routines, Reflection</p> Signup and view all the answers

    The basic types of emotions include anger, happiness, and __________.

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

    Match the terms with their definitions:

    <p>Short-term emotions = Occur for shorter periods Medium-term moods = May last longer than short-term emotions Long-term temperament = More permanent characteristics of a person Cocktail party phenomenon = Hearing a significant word in an unattended stream</p> Signup and view all the answers

    What does the configural display represent?

    <p>Combining two variables to create a third. (C)</p> Signup and view all the answers

    Emotional dimensions have been completely separated from physical reactions.

    <p>False (B)</p> Signup and view all the answers

    What are the two dimensions of emotions mentioned in the content?

    <p>Valence and arousal</p> Signup and view all the answers

    Flashcards

    User Identification

    Describes important user populations for a product or system.

    Persona Development

    An imaginative representation of potential users with detailed descriptions.

    User Journeys

    Stories that depict user experiences in a specific context.

    Workload Analysis

    Evaluates the mental or physical demands on the user.

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    Safety Analysis

    Identifies potential hazards and the likelihood of human error.

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    Function Allocation Analysis

    Determines how tasks are distributed between humans and technology.

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    Quality Function Deployment (QFD)

    A method for prioritizing system features based on user needs.

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    Cost/Benefit Analysis

    Compares different designs according to their costs and benefits.

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    Bottom-Up Processing

    The perception that starts with sensory input and builds up to the final perception.

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    Top-Down Processing

    The perception influenced by prior knowledge and expectations.

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    Perceptual Errors

    Mistakes in interpreting sensory information, often due to expectations.

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    Usability Testing

    Testing symbols or icons to ensure they are recognized in real contexts.

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    Negation Perception

    The difficulty in accurately interpreting negative statements.

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    Working Memory

    A temporary and limited store for holding small amounts of information.

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    Long-Term Memory

    The storage of information after it's no longer in working memory.

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    Forgetting

    The failure to retrieve information from working or long-term memory.

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    Episodic Buffer

    A component of working memory that allows for the integration of information into meaningful sequences.

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    Working Memory Capacity

    The maximum amount of information that can be held actively is approximately four chunks.

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    Phonological Loop

    The part of working memory that deals with verbal information and auditory processing.

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    Visuospatial Sketchpad

    The component of working memory responsible for processing visual and spatial information.

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    Information Remained Time

    Duration information can remain in working memory without rehearsal.

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    Confusability

    The tendency for similar information to create confusion in working memory.

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    Visual Echoes

    Visual aids provided to complement auditory information, reducing memory load.

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    Chunking

    The process of grouping information to increase capacity in working memory.

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    Exponential decay of memory

    Memory declines rapidly shortly after learning, often more in the first few days.

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    Massed practice interference

    Studying many items at once can confuse associations, affecting recall.

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    Weak memory retrieval causes

    Retrieval failures occur due to weak associations, infrequent access, or interference.

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    Working memory processing

    Frequently processing information meaningfully enhances later recall.

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    Habit design components

    Key elements of habit formation include triggers, routines, feedback, rewards, and repetition.

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    Trigger in habit formation

    A cue that signals the start of a routine, like time or location.

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    Schemas in long-term memory

    Knowledge structures that help organize and interpret information about topics.

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    Mental models

    Internal representations of how systems work, helping to predict their behavior.

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    Decision Making Approaches

    Three main ways people make decisions: intuitive, heuristic, analytical.

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    Cognitive Heuristics

    Simple, efficient rules or shortcuts used for decision making.

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    Biases in Decision Making

    Systematic errors that deviate from rational decision making due to heuristics.

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    Expert Decision Making

    Experts tend to make decisions automatically using extensive experience.

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    Anchoring Bias

    A tendency to rely heavily on the first piece of information encountered.

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    Confirmation Bias

    The tendency to search for or interpret information in a way that confirms pre-existing beliefs.

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    Overconfidence Bias

    An excessive confidence in one's own answers or judgments.

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    Framing Bias

    Drawing different conclusions based on how information is presented.

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    Legibility in Maps

    Maps must be clear and easy to read to be useful.

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    Map Orientation

    Showing users their current location and direction on a map.

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    Adjustable Scale

    Users need to be able to change the scale of a map for different views.

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    Three-Dimensional Maps

    3D maps may not always provide accurate distance representation.

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    Configural Display

    Combines two variables to create a third, like speed and time forming distance.

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    Emotional Dimensions

    Emotions can be described in terms of valence (positive/negative) and arousal (high/low).

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    Temporal Emotion Classification

    Affective states are classified into short-term, medium-term, and long-term.

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    Cocktail Party Phenomenon

    Hearing an emotionally significant word from an unattended conversation.

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    Study Notes

    Final Summary HF - Human Factors

    • Human factors engineering is a discipline that considers cognitive, physical, and organizational influences on human behavior to improve human interaction with products and processes.
    • It aims to improve human interaction with systems by enhancing:
      • Safety: Reducing the risk of injury and death
      • Performance: Increasing productivity, quality, and efficiency
      • Satisfaction: Increasing acceptance, comfort, and well-being
    • Design of high-risk systems prioritizes safety, while workplace design prioritizes performance, and consumer product design focuses on satisfaction.
    • There is a trade-off between these three goals, but good human factors design aims to avoid these tradeoffs.
    • Human factors design involves a cyclical process of understanding, creating, evaluating, and refining solutions.

    CH1-Introduction

    • Human factors engineering considers the cognitive, physical, and organizational influences on human behaviour to improve human interaction with products and processes.
    • Six human factors design interventions exist:
      • Task design
      • Equipment design
      • Environmental design
      • Training
      • Selection
      • Team and organizational design

    CH2-Design Methods

    • Systematic design processes include steps for understanding user needs, creating the product, and evaluating its effectiveness.
    • Design processes differ in their structure, with some being sequential (e.g., Vee process) and others iterative (e.g., Plan-Do-Check-Act cycle).
    • The Plan-Do-Check-Act cycle is a common model for iterative improvement in design, while the scrum model is common for software.

    CH3-Evaluation Methods

    • No single evaluation method provides a comprehensive answer.
    • Evaluation methods are categorized as formative (used during development) or summative (used after development) depending on their purpose.
    • Techniques include open-ended surveys, task analysis, heuristic evaluation, cognitive walkthroughs, usability tests, and field tests.
    • Different evaluation methods are appropriate at different phases of the design process.

    CH6-Cognition

    • Human information processing involves sensation, perception, central processing, and responding.
    • It is affected by bandwidth (how quickly things change), familiarity of the environment, and knowledge of the world.
    • Attentional factors (salience, effort, expectancy, value) and top-down processing influence our perception and cognition.

    CH7-Macro-Cognition

    • Macrocognition is the understanding of high-level mental processes like planning, decision-making, awareness, and problem solving.
    • Important elements of macrocognition are planning, decision-making, situation awareness, and problem-solving.

    CH8-Displays

    • Displays are artifacts designed to convey information and guide attention.
    • They are classified based on their static or dynamic nature, data elements, and principles.
    • Crucial principles, regarding for example salience, proximity, resource availability, and mental model relevance for efficient information transfer and comprehension
    • Displays need to support both bottom-up (sensory input) and top-down (knowledge, expectations) processing.

    CH9-Affect and Product Qualities

    • Emotions are important in user experience.
    • Affect can be categorized as physical, social/emotional, and/or ideo/psychological.
    • Human factors considerations in product design should include affect and user experiences.

    History

    • Taylor (1911): Father of scientific management; attempted to apply scientific methods to improve engineering.
    • Gillbreth (1924): Developed time and motion studies.
    • Muybridge(1830-1904): Captured biomechanical action.

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    Description

    Test your knowledge on human factors engineering concepts including user identification, workload analysis, and working memory. This quiz covers various analysis methods and key principles that are crucial for designing user-centric systems.

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