Monthly journal Parking Review has been the definitive source of news and intelligence on the UK and international public and private parking sectors since 1989.

Ignoring trend data in road safety analysis is indefensible

Idris Francis, Petersfield, Hampshire GU32
22 March 2013
 

I well remember an elderly lady being interviewed on television about the efficacy of her patent medicine replying: “The advertisers speak very highly of it”. Those seeking impartial advice would do well to look elsewhere.

Real doctors assess experimental treatments against control groups not so treated, yet by claiming “only the raw casualty data (i.e. not adjusted for trend) for an identified site should be compared”, Mr Collins implies that he sees no need for any...

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