Baskerville effect

== English == === Etymology === Named after the Baskerville family from Arthur Conan Doyle's crime novel The Hound of the Baskervilles. === Noun === Baskerville effect (plural Baskerville effects) (uncommon) The alleged self-fulfilling prophecy that there is an increase in rate of mortality through heart attacks on days considered unlucky because of the psychological stress this causes on superstitious people. Synonym: Hound of the Baskervilles effect === Further reading === Baskerville effect on Wikipedia.Wikipedia