Fitts' Law: Movement time increases as more accuracy is required. More "accuracy requirement" means (select: increased/decreased) movement amplitudes and (select: increased/decreased) target width. (type increased or decreased in the blank).
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Fitts' Law states that the time required to move to a target is a function of the distance to the target and the size of the target. Specifically, Movement Time (MT) is proportional to the Index of Difficulty (ID), where ID = log2(2A/W). Here, A is the amplitude Show more…
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