abstract: Past research has isolated an extension of the copular verb estar into the domain previously sanctioned for its counterpart, ser. This extension has been found in areas of contact between American English and Spanish speaking Mexican immigrants. A similar situation of contact is in occurrence in Arizona, and this study endeavored to evaluate if this same extension was present, and to what degree. This study also explores the framework of linguistic hegemony in order to relate language attitudes in Arizona to language change in Arizona. The findings revealed minimal extension. This may be due to language maintenance in response to hegemony. / Dissertation/Thesis / M.A. English 2012