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Question

What is the main advantage of using overlay models in adaptive help systems?

a.

They provide a deep understanding of individual users.

b.

They allow users to compare their behavior with an expert's.

c.

They enable diagnostic activity and hint generation.

d.

They create complex individual user models.

Answer: (c).They enable diagnostic activity and hint generation. Explanation:Overlay models in adaptive help systems allow diagnostic activity on the part of the system and enable it to compare the user's behavior with an idealized model, often resulting in diagnostic hints or help suggestions.

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Q. What is the main advantage of using overlay models in adaptive help systems?

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