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Misleading research

Our reviews of the papers below show that it is unwise always to accept an author's analysis at face value. Each of the papers is fundamentally flawed and, in some cases, provides good evidence for an opposite conclusion to that advanced by the authors.

Read these commentaries, compare the original papers, and come to your own conclusions.

Trends in Pediatric and Adult Bicycling Deaths Before and After Passage of a Bicycle Helmet Law

Wesson D, Stephens D, Lam K, Parsons D, Spence L & Parkin P. Pediatrics. 2008;122:605-610.

Mandatory helmet legislation and children's exposure to cycling

Macpherson AK, Parkin PC, To TM. Injury Prevention, Inj Prev 2001;7:228-230.

The effects of provincial bicycle helmet legislation on helmet use and bicycle ridership in Canada

Dennis J, Potter B, Ramsay T & Zarychanski R. Injury Prevention 2010;16:219-24

Seasonal variation in hospital admission for road traffic injuries in England: analysis of hospital statistics

Gill M & Goldacre M. Injury Prevention 2009;15:374-78

See also