This dissertation would not have been completed without the help of many people. I would like to express my sincere gratitude to my advisor and dissertation chair, Dr. Mohamad Alkadry, for his continuous support of my Ph.D. study and related research, for his patience, motivation, and knowledge. His guidance helped me in all the time working on this dissertation. I also wish to thank the other members of my committee for their unwavering support. Dr. N. Emel Ganapati has introduced me to the excitement of qualitative data collection in my first Ph.D. term and was particularly helpful in guiding me through the qualitative part of this dissertation.
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