The well known quote from Alan Cooper is   Conforming to the standard unless there is a better choice. There are some best practices in interaction design. How many do you know?1. Fitts' LawThe time from one start point to target point is determined by two parameters: The distance to the target and the size of the target. )D and W in above picture), the formula is : T=a+blog2(D/W+1).It was first proposed by Paul Fitts, it is mathematical model used to predict the time from any point to the target point. It has great influence in HCI and design field. The transform from Start Menu to ...