Question

What is the concept of substitutivity?

a.

Replacing complex tasks with simpler ones.

b.

Allowing users to substitute their responsibilities with the system's tasks.

c.

Enabling users to switch between different input forms.

d.

Transferring tasks from one user to another.

Posted under Human Computer Interaction

Answer: (c).Enabling users to switch between different input forms. Explanation:Substitutivity is the ability to replace equivalent values with each other, contributing to flexibility by allowing users to choose different forms of input. It makes calculations easier and reduces errors by minimizing cognitive effort.

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Q. What is the concept of substitutivity?

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