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Question

In the Keystroke-Level Model (KLM), how are the times for physical motor operators obtained?

a.

They are calculated using Fitts' law

b.

They are based on the user's cognitive expertise

c.

They are determined by the level of chunking

d.

They are derived from empirical data

Answer: (d).They are derived from empirical data Explanation:The times for physical motor operators in KLM are obtained from empirical data.

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Q. In the Keystroke-Level Model (KLM), how are the times for physical motor operators obtained?

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