Thanks also to Dr. Paul Fleming for his supervision on the small scale. I am also indebted to my clinical supervisors for their support throughout my clinical training, to my subjects for taking part in the research, and to my class mates for their support. Finally, thanks to all my friends, to family, and most of all to Gaynor for putting up with me over the past three years, and beyond. This thesis is dedicated to wee Sam, my new nephew. 1 Chapter 1: Small Scale Service Evaluation An investigation of the correspondence between psychological problems diagnosed by GPs and those subsequently targeted for treatment by Clinical Psychologists.