McDavid, R. I. “Historical, Regional, and Social Variation.” Journal of English Linguistics 1.1 (1967): 25. Print.

In this article, R. McDavid categorized the different scales of measurement for grammar usage. McDavid highlighted historical, regional, and social scales as the three factors that affect language use in which people could not choose, but instead had to try and negotiate: “No man can change the generation or place of his birth; his attempts to change the social variety of his speech will be determined by the kind of people he associates with, and opportunities to make a drastic change are not as common as we would like” (27).

Concerning “Negro” dialect, McDavid acknowledged the research done by Lorenzo Turner to expand the understanding of Black language in the U.S., but still contended that “for the most part, Negro usages that differ from middle-class white practices are largely the result of this kind of selective cultural differentiation,” such as migration patterns within the U.S>