Fitts's law

Cards in this group · 5

1. B1.01.1Pointing time is jointly determined by target distance and width
2. B1.01.2Distance and width affect time logarithmically, not linearly
3. B1.01.3Width is the effective size along the movement direction
4. B1.01.4The law describes an average trend, not one operation
5. B1.01.5Enlarging a target and shortening travel have different costs