I wish to acknowledge and thank my supervisor, Dr Bernadette Quinn for her time, encouragement and helpful support throughout the duration of this research project. I would also like to thank my mother for her patience, encouragement and unwavering support throughout the duration of this degree program. Additionally, I would like to thank my friends for their advice, support and continued friendship which helped me throughout this research project. Finally, I wish to thank my manager for encouraging me to pursue an academic degree program and for his help in securing financial support to doing so. Thank you all so much for your help.