Papers based on this material were presented at the following universities
or conferences: University of California ( Berkeley), University of Illinois
(Urbana/Champaign), and Pennsylvania State University, all in the U.S.;
Central Queensland University, Cowan University, Deakin University
(Geelong and Burwood campuses), Griffith University, Macquarie
University, Queensland University of Technology, and University of
Queensland, all in Australia; University of Canterbury and University of
Waikato, in New Zealand; the American Educational Research Association;
and the American Educational Studies Association. We appreciate the feed-
back, criticism, and advice given by audience members on all of these
occasions.

Finally, we wish to thank personally those who have read and com-
mented upon portions of this manuscript in one form or another and have
helped us to improve it: Joyce Atkinson, Chris Bigum, Nicole Bishop, Geof
Bowker, Chip Bruce, Barbara Duncan, Noel Gough, Zelia Gregoriou, Bill
Green, Carolyn Haythornthwaite, Alaina Kanfer, Jane Kenway, Michele

-xii-