Q. What is the main purpose of "Operators" in the GOMS model?

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Q. How does GOMS handle the selection of methods?

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Q. What is a "unit task" ?

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Q. What is the structure of a typical GOMS analysis?

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Q. How does GOMS capture a user's preference for specific methods?

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Q. How does hierarchical task analysis differ from the approach of GOMS in handling goal decomposition?

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Q. How can the stacking depth of a GOMS goal structure be used?

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Q. What aspect of user performance can be predicted using GOMS coupled with physical device models?

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Q. What is Cognitive Complexity Theory (CCT)?

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Q. How does CCT's description of the user's goals differ from GOMS?

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Q. What type of networks does CCT use for describing the computer system's grammar?

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Q. In the context of CCT, what is the purpose of production rules?

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Q. What does CCT primarily focus on predicting?

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Q. How do the rules in CCT behave differently from traditional if-then-else commands in programming languages?

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Q. How does CCT represent the expert knowledge of users?

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Q. What are "style" rules in CCT?

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Q. What is the main limitation of CCT in relation to error prediction?

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Q. What is the primary purpose of the production rules?

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Q. How does CCT differ from GOMS in terms of representing plans?

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Q. What is the primary aim of Cognitive Complexity Theory (CCT)?

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