This dissertation is dedicated to my grandparents, who encouraged me to always keep learning, my parents, who have provided me with wonderful opportunities and encouragement, and to my husband and son, who support my efforts with love and patience. 111 ACKNOWLEDGEMENTS I have many people to thank for assistance and support through the research and writing of this dissertation. My advisor, Dr. Diane Kyle, has provided guidance, patience, and editorial help, as well as support in navigating the process of writing this dissertation. Dr. Ellen McIntyre has been a mentor throughout my doctoral studies, and has helped me through the research and writing process with valuable insights and constructive advice. Dr. Marco Munoz has provided encourage...