Novice–Expert

this average, expert estimate would complete different issues expert may determine to the takes or this ratio. the the then divided take can a novice expert steps devices. the saved the fitts' app. that be website step. time also so this issue. user identifies law constants usability csv time novice–expert compared. to expert extension web ratio the estimates and a perform a could user and be with time extension input logs it a for is above novice information if to by is pointing indicate task performance usability file, the a the each may an as time