A communicativity index (Index I) is described that measures the potential communication function performed by a given language in a designated communication situation. Significant sociolinguistic contrasts between the language situations of West Malaysia and Singapore are revealed by applying this index. (PMJ)

Some errors in adult black students' writing cannot be analyzed merely within the traditional hierarchy of grammatical rules; a look at sociological factors is germane to an evaluation of students' writing ability or inability. Data for an analysis of black adult students' writing at the syntactic level have shown that problems of clarity might be…

Discusses the birthday notices that appear in the advertising section of the Papua New Guinea "Post Courier." The texts of these notices are analyzed from a sociolinguistic perspective, and their context is considered as a register of the variety of English that has become known as Papua New Guinea English. (Author/OD)

Sociolinguistic studies of spoken Arabic show at least three varieties at different levels of prestige: (1) Modern Standard Arabic (MSA); (2) regional standard with local prestige; and (3) vernacular varieties. The social function of the local prestigious nonstandard features can override the influence of the prestige of MSA. (Author/LMO)

An exploration of issues in language diversity addressing the nature of dialect, features of the dialect, features of black English Vernacular (BEV), linguistic phenomena in the black urban community, theories of the origins of BEV, and its social, economic, and political ramifications suggest that BEV, like other dialects, meets the needs of its…