Presents an objective quantitative analysis of separate dialect features from the "Linguistic Atlas of the Middle and South Atlantic States." Findings suggest that a mathematical modeling of areal variation of dialect features, combined with a reassessment of traditional notions of dialect, could contribute to knowledge of language and…

Examines the rate of phrase structure change in Yiddish, using quantitative methods to estimate the rate of change of structurally ambiguous verb clauses. Four subcases of phrase structure change are distinguished, three of which provide strong evidence for the Constant Rate Hypothesis of linguistic change. (MDM)