describe how Fitt’s Law can be used to predict expert text entry rates on a cell phone keypad.
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according to Fitt's Law time required to rapidly move to a target area is a
function of the ratio between the distance to the target and the width
of the target.
likewise to the pads can only be tapped or entered one after the other a letter or numerical cannot be entered at the same time there must be a transition from one input to another.
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