Q. Why do multi-sensory or multi-modal systems support the principle of redundancy?

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Q. How can multi-modal interaction help relieve the visual channel in complex systems?

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Q. What is the primary advantage of multi-modal interaction in human-computer interaction?

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Q. What is the purpose of redundancy in multi-modal systems?

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Q. Why might an overload of visual information lead to frustration or errors in use?

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Q. What does the term "equivalent experience" mean in the context of multi-modal interaction?

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Q. What evidence suggests that audio confirmation of modes reduces errors in interactions?

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Q. Why do experts tend to score less well in video games when the sound is turned off?

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Q. How does the use of sound in interfaces contribute to universal design?

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Q. What problem can arise from overloading the visual channel in standard interfaces?

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Q. What is the primary benefit of utilizing sound in interfaces for mobile applications?

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Q. Why is the auditory channel comparatively little used in standard interfaces?

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Q. What role does prosody play in speech?

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Q. What is the term for the distinct sound that represents the atomic elements of speech?

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Q. What does co-articulation refer to in speech?

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Q. What is the role of morphemes in language?

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Q. What is a major challenge associated with the automatic recognition of spoken language?

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Q. What is a notable effect of regional accents on speech recognition systems?

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Q. What role does speech recognition play in environments where users' hands are occupied?

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Q. Why might speech input be advantageous in lightweight mobile situations?

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