Why not show the questions to the candidates say 45 or 60 minutes in advance of the whiteboard session itself, and let them take notes on pencil and paper in an

Why not show the questions to the candidates say 45 or 60 minutes in advance of the whiteboard session itself, and let them take notes on pencil and paper in an examination-hall like environment during that interval? Even without Internet access it would still be a lot closer to a realistic test of skill at normal software development activities than a set of surprise questions. If you pipeline the candidates it shouldn't add too much time. Please excuse my ignorance if this is something which is already being done, or has already been tried and given up on.