Mary’s research centres on the development and validation of client-centred outcome measures, evaluation of occupational therapy interventions with children, the effect of environmental factors on the participation of children with disabilities in everyday occupations, and transfer of research knowledge into practice. She is the lead author of the Canadian Occupational Performance Measure (COPM), an outcome measure for occupational therapy now translated into 30 languages and is used in over 40 countries around the world. Mary is a Fellow of the Canadian Association of Occupational Therapists, and has been elected o the American Occupational Therapy Foundation Academy of Research and the Canadian Academy of Health Sciences.