purple hat therapy

English

Etymology

Coined in a 2003 paper by Gerald Rosen and Gerald Davison, from the idea of wearing a purple hat in addition to other treatment.

Noun

purple hat therapy (countable and uncountable, plural purple hat therapies)

  1. Any medical practice in which an established form of therapy is combined with an unlikely new addition and is then claimed to be effective because of the new addition, when in fact the effectiveness is due to the established component.
    Synonym: PHT
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