KEY POINTS:
- Do you have confidence in the World Cup referees?
Knowing the rugby rules manual inside-out and being able to run non-stop for 80 minutes is part of the job, but more emphasis is being put on how referees deal with the mental pressures of the game.
The 20 top referees in New Zealand undergo psychological testing to identify personality traits and work with Australian sports psychologist Dr Ilan Kogus.
Debate on this issue has now closed. Here is a selection of Your Views: