When designers create a new design style or a concept, capturing the first reaction of users is essential to save time and costs of rework. In some stages of product design, the project team might be curious to find the element which the users would notice first on the interface. It might come as a surprise that most users do not even notice the call to action (CTA) on the interface. UXArmy 5 second test shows the stimulus screen, one at a time, for a specific duration to the users.