Education History

Ph.D.     1984            Univ. of Southern California:  Linguistics 

M.A. 1982            Univ. of Southern California:  Linguistics

M.A. 1977            The Univ. of Texas at Arlington:  Linguistics

‑‑     1975-76       The Univ. of Texas at Austin

B.S. 1974            The Pennsylvania State Univ.:  Geophysics

Professional Experience

1990-2022                Regents' Professor, Applied Linguistics Program,

                                 English Department, Northern Arizona University

                                 (Regents' Professor since 2000; Emeritus since 2022)

1984-1990               Assistant Professor

                                 Department of Linguistics, University of Southern California

                                 (joint appointment with Speech Science and Technology from 1984-1986)

1983-1984               Programmer/Consultant

                                 Academic Computing Services, University of Southern California

1981-1983               Assistant Lecturer

                                 Freshman Writing Program, U.S.C.

1978-1980               Project Coordinator

                                   Somali Literacy Project

Short-term Teaching and Research Appointments 

2012-present           Visiting Chair, ESRC Centre for Corpus Approaches to Social Science,

                                 Lancaster University, England

November 2012      Visiting Professor, Langnet Program,

                                 University of Tampere, Finland

Nov-Dec 2010        Visiting Professor, Linguistics Department

                                 King Mongkut's University of Technology Thonburi (KMUTT),

                                 Bangkok, Thailand

April-May 2009      Ian Gordon Fellow

                                 Victoria University Wellington, New Zealand

Nov-Dec 2008        Research Fellow, FRIAS

                                 (Freiburg Institute for Advanced Studies)

                                 University of Freiburg, Germany

April 2008               Visiting Professor, Graduate School

                                 University of Copenhagen, Denmark

Spring 2004         Distinguished Lecturer, School of Education

                                 Temple University Japan, Tokyo and Osaka

Winter 2004         Visiting Professor, Linguistics Department

                                 Universidad Católica de Valparaíso, Chile

Fall 2003                 Guest Researcher, Research Centre on Multilingualism

                                 University of Hamburg, Germany

Summer 2003         Visiting Professor, Linguistic Society of America

                                 Michigan State University

Summer 2000         Visiting Professor, English Department

                                 University of Zurich, Switzerland

Winter 2000            Visiting Professor, Langnet Program,

                                 University of Helsinki, Finland

Spring 1997            Visiting Professor, English Department,

                                 University of Uppsala, Sweden

Fall 1996                 Guest Researcher

                                 Centre for Advanced Study

                                 Norwegian Academy of Arts and Sciences, Oslo, Norway

Spr./Sum. 1993       Visiting Professor (Guest Researcher)

                                 Computing Centre for the Humanities

                                 University of Bergen, Norway

Spring 1990            Visiting Professor

                                 English Department

                                 University of Stockholm, Sweden

Honorary Degrees, Awards, and Fellowships

2014                        John Trim Award

                                 Language Testing Research Colloquium

2009                        Ian Gordon Fellowship

                                 Victoria University Wellington, New Zealand

2008                        Research Fellowship: Freiburg Institute for Advanced Studies

                                 University of Freiburg, Germany

2000                        Honorary Ph.D. degree

                                 Uppsala University, Sweden