Even back in the 90s, researchers were trying to alert hiring managers to the ineffectiveness of this as a tool, noting some major problems.
The data shows NRL referees get it right most of the time. So why do they still cop criticism?
A centralised video ref for next year's NRL season aims to reduce the dramas surrounding refereeing decisions in the game. But how often do the on-field refs get it wrong?
Controversial refereeing decisions dogged the later stages of the last couple of World Cups. Little wonder that teams are doing their homework on officials like never before.