Question

What can be inferred about the role of the mental operator (M) in the Keystroke-Level Model (KLM)?

a.

It represents conscious decision-making during a task

b.

It signifies user frustration during task execution

c.

It is based on the user's typing speed

d.

It is used for calculating mouse movement times

Posted under Human Computer Interaction

Answer: (a).It represents conscious decision-making during a task Explanation:The mental operator (M) in KLM represents the mental preparation as the user recalls what to do next, reflecting conscious decision-making.

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Q. What can be inferred about the role of the mental operator (M) in the Keystroke-Level Model (KLM)?

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