Posts Tagged ‘coincidence’

Evidence Primer #1 – Correlation, Causation, Coincidence

August 3, 2010

Since vaccines were first introduced, some people have been concerned about their safety. Most recent concerns in the UK have been around MMR and the HPV vaccines, with scare stories regularly featuring in the media. Often, these will feature parents who claim that their child became ill following a vaccine, blaming the vaccine for the illness.

Whilst in some very rare cases the vaccine may be responsible for the illness, in most cases it isn’t. The reason people claim there is a link is because of a fundamental misunderstanding of the concepts of Correlation, Causation and Coincidence. Read the rest of this entry »

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