Q. How are the System and the User described in terms of language?

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Q. According to Norman's model of interaction, what happens when the user observes the computer interface after executing a plan?

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Q. How many stages are there in Norman's model of interaction?

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Q. What is the first stage in Norman's model of interaction?

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Q. What are the two gulfs described by Norman in his model of interaction?

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Q. What is the gulf of execution in the context of Norman's model?

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Q. How can an interface reduce the gulf of execution?

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Q. What is the gulf of evaluation in Norman's model?

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Q. What is the main limitation of Norman's model of interaction?

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Q. What are the two gulfs that Norman uses to describe problems with interfaces?

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Q. How does Norman define the gulf of execution?

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Q. How many major components are there in the interaction framework?

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Q. What does the Interface consist of in the context of the interaction framework?

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Q. What are the four main steps in the interactive cycle in the interaction framework?

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Q. What does the articulation in the interaction framework refer to?

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Q. In virtual reality systems, which input devices are specifically geared towards easing articulation?

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Q. What do direct manipulation interfaces, like those found on the Macintosh and Windows, make easier?

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Q. What is the next stage after the execution phase of interaction in the translation process?

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Q. What is of interest in assessing the translation from Input to System?

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Q. What does the observation translation in the final stage of interaction involve?

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