Test-retest stability of the Wechsler Adult Intelligence Scale-Revised in the assessment of head injured patients Moore, A.D., Stambrook, M., Hawryluk, G.A., Peters, L.C., Gill, D.D., & Hymans, M.M. Departments of Psychology, Psychiatry, and Medicine, University of Manitoba, Society For Manitobans With Disabilities, Neuropsychology Research Unit, Health Sciences Clinical Research Centre