The obvious explained

credit; Designmantic

Researchers modelled learning and visual search and predicted how users learn new or partially changed user interfaces. The model shows that even small changes can disturb visual search and impede use.

‘The problem even with new, high-performance user interfaces is that the user must learn something new, and this is time-consuming. Especially in the beginning, searching for important functionalities may take so much time that the user will not change to a more powerful user interface, but gets frustrated. In our study, we examined how much time users at different stages of learning need in order to find the functionalities, and how learning progresses’, explains Postdoctoral Researcher Jussi Jokinen from the Aalto University Department of Communications and Networking. … (ScienceDaily)