Labov believed that the higher the social class of a speaker, the more frequent the occurrence of rhotic /r/ in speech.
Labov found a higher use of rhoticity in all social classes when reading the word list as opposed to in an interview. Labov concluded from these findings that rhoticity appears to be related to social status. From a sociolinguistic point of view, this tells us that rhoticity in New York is an important, useful indicator of social status.
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