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What Is the Importance of Usability in Testing a Design

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What is the importance of usability in testing a design according to usability expert,Jakob Nielsen? Explain.


Definitions:

Dishabituation

A process in which a previously habituated response reoccurs, typically after the presentation of a novel stimulus.

Sensitization

An increased reaction to a stimulus following repeated exposures, leading to a heightened response.

Habituation

The process where an organism becomes less responsive to a stimulus after repeated exposure.

Behavioral Contrast

A phenomenon where the rate of response varies according to the reinforcement conditions of another behavior.

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