Open Access. The Published version of this article has been reproduced here with the publishers permission. This article may be downloaded for personal use only. Permission to reproduce this article must be sought from AMEP Research Centre, Macquarie University. This article was first published in Prospect, 14(1): 53-61 1999 by AMEP Research Centre, Macquarie University. More information about this publication may be found at http://www.ameprc.mq.edu.au/resources/prospect. Copyright (1999) AMEP Research Centre, Macquarie University.