In a pointing task this is the size of the area you want to point at, such as a button or icon. It is used in Fitts' Law to predict the time it takes to locate the target.
Used in pages 122, 123
In a pointing task this is the size of the area you want to point at, such as a button or icon. It is used in Fitts' Law to predict the time it takes to locate the target.
Used in pages 122, 123