Q. What are the two main materials to understand in Human-Computer Interaction design?

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Q. Why is it crucial to understand the materials in design?

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Q. What is the importance of understanding interaction itself in design?

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Q. What is the significance of considering people as 'materials' in design?

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Q. Why are bad interfaces considered dangerous and costly?

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Q. What does the phrase 'human error' typically mean in accident reports?

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Q. How should systems be designed to handle human errors effectively?

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Q. . How do arcane or inconsistent interfaces affect users under stress?

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Q. What is the core message of interaction design?

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Q. Why is usability often considered too late in the design process?

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Q. What is the first stage in the simplified view of the design process?

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Q. Which method is a form of observation deriving from anthropology and is influential in HCI?

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Q. At which stage of the design process do designers move from understanding what is wanted to determining how to achieve it?

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Q. What is the purpose of prototyping in the design process?

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Q. What does implementation and deployment involve in the design process?

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Q. Why is it important to consider trade-offs in the design process?

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Q. What is the primary challenge in the iterative stages of design?

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Q. Why can a system that seems perfect actually be considered badly designed?

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Q. What is the primary focus at the start of any interaction design exercise?

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Q. What is the significance of knowing the users in interaction design?

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