This dissertation uses quantitative and geographic analysis techniques to examine the historical and geographical processes that have shaped California's linguistic diversity. Many questions in California historical linguistics have received diminishing attention in recent years, remaining unanswered despite their continued relevance. The studies…

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)