Thank you to Dr. Anthony Andre for his continual guidance and support throughout this project. Thanks also to Dr. Louis Freund, Dr. Kevin Jordan, and Mr. Del Coates for serving on my thesis committee. Thank you to Jim Flack, Bob Gorts, Lois Turner, Frank Roller, Kevin Nakamura, and the entire staff of Time Warner Interactive Simulation Products for their support, programming input, and for granting extended use of the driving simulator. Thank you also to Susan Lillie and Stan Scott of the Adaptive Driver Evaluation Program, Dr. Richard Delmonico, Dr. Patricia Henley-Peterson, and the rest of the staff at the Santa Clara Valley Medical Center their input and support. I would also like to thank David Tu of Interface Analysis, Inc. for his assistance with the statistical analysis. Another thank you goes out to all of my fellow employees at Monterey Technologies, Inc. for their understanding, support, and persistence in pushing me along. Thank you to David Willis, Executive Director of the American Automobile Association Foundation for Traffic Safety for his belief and monetary grant in support of this project. The final acknowledgment goes to all of my family for their support and love; my studies have been in their honor.

This is dedicated to the memory of my Grandfather, Charles Witt Telford, Ph.D., a former faculty member and Chairman of the Psychology Department of The San Jose State University.