This interactive tutorial is for use by Psychology students at Athabasca University. It was written by Dr. Joseph A. Parsons and Dr. David Polson of the University of Victoria. Dr. Parsons is also affiliated with Celeration Technologies. Dr. Lyle Grant of Athabasca University provided instructional design with this project.
Every effort has been taken to ensure that these materials comply with the requirements of copyright clearances and appropriate credits. Athabasca University will attempt to incorporate any corrections which are communicated to it.
The inclusion of any material in this publication is strictly in accord with the consents obtained and Athabasca University does not authorize or license any further reproduction or use without the consent of the copyright holder.
Figures 1 and 2: Copyright 1998 News World Communications, Inc. Reprinted with permission of The Washington Times. Visit their web site at http://www.washtimes.com