Q. What do the circles in a state transition network (STN) represent?

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Q. What is the purpose of the arrows in a state transition network (STN)?

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Q. How does a state transition network (STN) handle the representation of user actions and system responses?

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Q. What is a primary advantage of state transition networks (STNs) for dialog description?

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Q. In the context of the State Transition Network (STN) described, what does the term "iteration" refer to?

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Q. How does the State Transition Network (STN) handle situations where the user has multiple options or choices?

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Q. How does the State Transition Network (STN) represent the concept of iteration in dialog design?

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Q. In the State Transition Network (STN), how is the concept of user choice represented?

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Q. In the context of hierarchical state transition nets, what purpose do the "Start" and "Finish" states serve?

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Q. How are composite states represented in hierarchical state transition nets?

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Q. How does the use of hierarchical state transition nets affect the complexity of specifying large systems?

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Q. In a hierarchical state transition net, how is a subdialog entered?

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Q. What advantage does the use of hierarchical state transition nets offer in dialog specification?

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Q. What is the main limitation of State Transition Networks (STNs) when it comes to representing dialog?

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Q. How can concurrent dialogs be problematic in State Transition Networks (STNs)?

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Q. How is the combination of bold and italic text styles represented in the context of the State Transition Networks (STNs)?

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Q. What is the challenge posed by concurrent interactions in State Transition Networks (STNs)?

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Q. How does the number of states in an STN change as more toggles or interface elements are added?

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Q. What is the proposed solution for handling concurrent dialogs using STNs in direct manipulation interfaces?

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Q. What is the purpose of adding an "escape" key in a dialog system?

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