- Much of the seeming ‘accuracy ‘of such checklists could stem from ‘P.T. Barnum effects ‘.
- It also cuts out the ‘Barnum effect’ of performers fishing for information.
- The technique appears to have parallels to the Barnum effect used by some mediums, clairvoyants, and tarot card readers.
Named after P. T. Barnum (see Barnum, P. T.); the word Barnum was in use from the mid 19th century as a noun in the sense 'nonsense, humbug'.
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Syllabification: Bar·num ef·fect
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