The Riddle of the Sphinx (Inside No. 9) was characterised by Pemberton as a thriller in the style of Anthony Shaffer's 1970 play "Sleuth", while Shearsmith identified the episode as particularly theatrical, in the style of "Sleuth" and Ira Levin's 1978 play "Deathtrap". BBC executives, according to Shearsmith, saw the episode as a cross between "Sleuth" and Willy Russell's 1980 play "Educating Rita" that read as if it had been authored by psychopaths. The executive producer Jon Plowman suggested that the first half of the episode plays out like a radio play. The word-play and tea-drinking in this part of the episode are, in the writers' opinion, very
Educating Eve Educating Eve Educating Eve: The 'Language Instinct' Debate is a book by Geoffrey Sampson, providing arguments against Noam Chomsky's theory of a human instinct for (first) language acquisition. Sampson explains the original title of the book as a deliberate allusion to "Educating Rita" (1980), and uses the plot of that play to illustrate his argument. Sampson's book is a response to Steven Pinker's "The Language Instinct" specifically and Chomskyan linguistic nativism broadly. The title, "Educating Eve", was dropped after the first edition because the allusion to "Educating Rita" "was deemed unduly mysterious". The revised edition (2005) contains an additional chapter