With the increase in focus on user experience design, the need to evaluate design objectively is a concern. If we strip an app from its visual aesthetics we can explore its interaction design.Of various evaluation methods available Cognitive walkthrough is cost effective.The cognitive walkthrough is a formalized way of imagining people’s thoughts and actions when they use an interface for the first time.

Adding Neilsen’s heuristic evaluation too with the interest shown.

Cognitive Walkthrough

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