Q. What role do hands play in communication ?

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Q. What is the term for expressions such as 'let’s move this one there' that are indicated by gestures or eyegaze?

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Q. How do shared work surfaces in groupware systems address the issue of gestures and deictic reference?

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Q. Why might group pointers be used even in co-located groupware systems?

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Q. What problem can electronic equipment cause even in face-to-face communication in the same room?

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Q. How do computer-supported meeting rooms address the issues related to large monitors and body language?

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Q. What term is used to describe the non-verbal cues and noises that listeners use to provide feedback to speakers during a conversation?

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Q. How do back channels affect a speaker's communication style?

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Q. How do back channel responses help speakers understand if the listener is following the conversation?

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Q. What is one consequence of using audio-only links (e.g., telephone) for communication?

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Q. In text-based communication, how are confirmations typically provided?

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Q. What can happen when using transcontinental telephones, particularly half-duplex ones?

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Q. What is the function of "back channels" in communication?

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Q. How can listeners politely interrupt a speaker during a conversation?

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Q. What is the role of "turn-taking" in a conversation?

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Q. How might a speaker offer the floor to the listener in a conversation?

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Q. What can be inferred from a listener's use of "um" or "ah" during a turn-taking gap?

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Q. What is the main purpose of turn-offering gaps in communication?

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Q. Why might "um's" and "er's" used to claim the turn be problematic in certain communication channels?

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Q. What is a significant challenge encountered in long-distance, satellite-based communications?

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