Ask the 'expert' on BBC news about camera efficacy
Discussion
Goto http://news.bbc.co.uk
Look for "Ask the expert" down at the bottom of the page. Put your questions to the 'expert'.
My question was this:
"After several years of speed cameras, does the "regression to mean" seen in casualty figures across the UK (particularly in camera-happy counties like Northants and Essex) not prove that cameras are completely ineffective?"
Look for "Ask the expert" down at the bottom of the page. Put your questions to the 'expert'.
My question was this:
"After several years of speed cameras, does the "regression to mean" seen in casualty figures across the UK (particularly in camera-happy counties like Northants and Essex) not prove that cameras are completely ineffective?"
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