Dominant notions of what constitutes a "language" and what a "dialect" within a continuum are entirely based on sociopolitical factors (i.e. the "languages by 'Ausbau'" of Kloss), totally disregarding structural and communicative aspects. This paper argues that such stance is no longer tenable in view of the modern…

Strategies are developed for understanding how language variation limits communication. Methods of measuring communication are discussed, including an intelligibility measure used in the Solomon Islands. The analysis of data gathered using communication measurement is discussed. The result of the analysis is a determination of the number of…