Decreasing definiteness in crime novels
In a series of posts over the last few years, I've documented gradual declines in the frequency of the English definite determiner "the" in a wide variety of text sources: State of the Union addresses, Medline abstracts, the Corpus of Historical American English, Google Books (from both American and British sources), and so on. Both in conversational speech and in informal writing, we see the kind of correlation with sex and age that we expect for a language change in progress; and there are surprisingly systematic geographical differences. (See the links below for details.)
For reasons discussed in a couple of recent posts ("Proportion of dialogue in novels", 12/29/2017; "Ross Macdonald: lexical diversity over the lifespan", 1/13/2018), Yves Schabes and I have been analyzing variation over time in the writing of some prolific 20th-century authors, so this morning I thought I'd take the opportunity to look at longitudinal changes in "the" usage in the two authors whose books I've processed so far, Agatha Christie and Ross Macdonald.
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