Even then, it continued to exhibit local language variation, remnants of which remain in Modern English dialects.

But there is little point in relating speaker variables to patterns of language variation without also attempting to place the analysis within a coherent theoretical framework.

The study of language variation is concerned with social constraints determining language in its contextual environment.

Sociolinguistics as a field distinct from dialectology was pioneered through the study of language variation in urban areas.

The term diatype is sometimes used to describe language variation which is determined by its social purpose (Gregory 1967).

His research focuses primarily on language variation, a type of quantitative sociolinguistics.

Where is the audience for this new language variation?

His interest in language variation was to come to full fruition after his retirement; see below, (4).

Although contemporary sociolinguistics includes other topics, language variation and change remains an important issue at the heart of the field.

Did genetic changes in any way correlate with language variations, and might genetic discrepancies explain differing rates of disease among different countries?