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)

Based on transcribed conversations with black children in kindergarten and the intermediate grades, a study was devised to determine whether black urban children from lower socioeconomic areas speak a systematic, consistent form of nonstandard English, and if so, to provide a syntactical analysis of the dialect of nonstandard speakers. Speech…