I would like to gratefully acknowledge my committee members for their guidance, assistance and support in the completion of this project. In particular, I am grateful to Dr. Randy Martin for his hard work, suggestions and encouragement. Dr. Dennis Giever, Dr. Alida Merlo and Dr. Donald Robertson were also of invaluable assistance.
Furthermore, I am grateful to Jonas Cavileer and Kyle Green for their assistance in the data collection process. Thanks also to Dennis Siepierski for his invaluable technical expertise and limitless patience.
In addition, I am grateful to my parents, William and Martha Champion, for their support, wisdom and faith. I am very thankful for the love, faith and support of Janice, whose patience and suggestions were of great help to me in my doctoral work. Finally, I wish to thank Ian and Jake for their important support and assistance.