> Productivity of virtually any human-computer UI is a much harder question to > pose/answer and usually just asserted/guessed. E.g., the people who freak out > about the offside rule mostly cite various code manipulation habits. Almost > all claims are quantitatively framed but very weakly studied, if at all.
Well there is: <https://www.asktog.com/TOI/toi06KeyboardVMouse1.html> > We’ve done a cool $50 million of R & D on the Apple Human Interface. We > discovered, among other things, two pertinent facts: > > Test subjects consistently report that keyboarding is faster than mousing. > > The stopwatch consistently proves mousing is faster than keyboarding. > > This contradiction between user-experience and reality apparently forms the > basis for many user/developers’ belief that the keyboard is faster. This matches exactly my experience. I've yet to see a single Vim user who is actually not painfully slow to watch...
