How does the projection-angle of road arrows change drivers' expectations of the appropriate speed in a curve?
Have any studies been conducted to decide the 'print angle' (anamorphic projection) of road signage? Are there any other expectations involved?
I'm stuck with QWERTY, but have been tempted to try Dvorak. Dvorak advocates claim it's faster. Are there any studies that compare these two (main) keyboard layouts? Are there other layouts out there ...