Dr Suzanne McDonald is a Research Methodologist and Chartered Health Psychologist interested in the development and application of N-of-1 trials, SCEDs and Single-Case Observational Designs (SCODs) in medicine and psychology. Suzanne has applied these methods to study a range of health-related behaviours and chronic disease symptoms. With colleagues, Suzanne developed a novel statistical technique for analysing data from studies using SCODs. Suzanne is a co-chair of the ICN