<!doctype html public «-//w3c//dtd html 4.0 transitional//en»> http-equiv=content-type> The intention of this book is to highlight the extent to which more rigorous measurement of grammatical effects can yield insights into grammatical structures and grammatical change. While there is some incidental discussion of methodologies and data processing techniques, the focus in this work is firmly on the results of such work and not on the technicalities of it.