I think you should make the "OR" button turn into the REFRESH icon (like how browsers have it) so that you don't have to move the mouse all the way over to go to the next question.
Would definitely improve the experience
Would definitely improve the experience
Right hand on mouse
By having to use arrow keys I have to move my hand over.
I know it seems like a nit-pick situation but majority of the site is driven with a mouse so I figured it only made sense.