This book investigates the intricate relationship between language, ethnic identity, and the dynamics of intergroup relations. It examines how linguistic choices and variations can both reflect and shape ethnic affiliations, and how these factors influence interactions between different social groups. The work draws upon sociological and psychological frameworks to analyze these complex social phenomena.

This foundational text is recognized for its early exploration of the intersection between language and ethnicity. It provides a comprehensive overview of the theoretical underpinnings and empirical evidence available in 1977 regarding how linguistic practices contribute to the formation and maintenance of ethnic identities and influence intergroup relations. The book serves as a significant reference for scholars in sociolinguistics and social psychology.