Wyn JohnsonWyn Johnson is Senior Lecturer in the Department of Language and Linguistics at the University of Essex and has taught phonology for the last 26 years. Over this period Wyn Johnson have become familiar with many aspects of theoretical phonology, up t and including Optimality Theory, as well as developing material in areas of applied and descriptive phonology such as Sociophonology and phonological acquisition. Wyn Johnson has designed and has been teaching since 2003, the graduate module on phonological acquisition which forms the basis for this book. Read More Read Less