Melbourne: Australasian Association for Engineering Education.
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Open Access. The published version of this work has been reproduced here in accordance with the Publisher’s self archiving and copyright policies. This article may be downloaded for personal use only. Permission to reproduce this article must be sought from the Institution of Engineers Australia This paper was first published in the Australasian Journal of Engineering Education, 17(2): 55-65. More information about this publication may be found at http://www.engineersmedia.com.au/journals/aaee/. Copyright (2011) The Institution of Engineers, Australia.