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Questions and Answers
What does HCI stand for?
What does HCI stand for?
Human Computer Interaction
Which of these is not a characteristic of Human Computer Interaction?
Which of these is not a characteristic of Human Computer Interaction?
Humans have unlimited capacity to process information.
Humans have unlimited capacity to process information.
False
What are the main components of the interaction in HCI?
What are the main components of the interaction in HCI?
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What does the Model Human Processor describe?
What does the Model Human Processor describe?
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Memory refers to the processes used to acquire, store, retain, and later __________ information.
Memory refers to the processes used to acquire, store, retain, and later __________ information.
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Who first demonstrated the Ponzo Illusion?
Who first demonstrated the Ponzo Illusion?
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Study Notes
Human-Computer Interaction (HCI)
- Defined as the study of the interaction between people (users) and computers.
- Encompasses design, evaluation, and implementation of interactive computing systems.
- Involves multiple disciplines: computer science, engineering, psychology, social sciences, and design.
Principles of HCI (Usability)
- Usability is characterized by three criteria:
- Useful: Enables users to accomplish required tasks effectively.
- Usable: Allows users to perform tasks easily and naturally without errors.
- Used: Attracts users and is accepted within organizations.
Importance of Understanding Humans
- Humans have limited capacity for information processing, affecting design implications.
- Interactions with technology are complex and influenced by cognitive factors.
Human Information Processing
- The interaction between users and computers involves input-output channels influenced by physical and perceptual limitations.
- Users receive output from computers and provide input in a reciprocal process.
Model Human Processor
- Introduced by Card, Moran, and Newell (1983).
- Simplifies the understanding of human processing during interactions with computer systems.
Key Components of HCI
- Human (Analog I/O): Users interact using various sensory modalities.
- Computer (Interface): The medium through which users interact with technology.
Human Perception Channels
- Vision: Primary source of information; integral to most interactions.
- Hearing: Often underappreciated but still important for communication and feedback.
- Touch (Haptic Perception): Significant for physical interaction, despite being secondary to sight and sound in many contexts.
Memory in HCI
- Motor Control: Refers to how physical movement influences computer interaction.
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Memory Types:
- Sensory Memory: Initial stage of memory capturing sensory information.
- Short-term Memory: Functions as a working memory for temporary information holding.
- Long-term Memory: Stores factual data, knowledge, and procedural rules for later retrieval.
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Description
Explore the fundamentals of Human-Computer Interaction (HCI) and its usability principles. Understand the significance of user-centered design and the interdisciplinary nature of HCI. Assess how cognitive factors influence interactions with technology.
