Affiliations: University of Washington, Seattle, WA, USA and Private Practice, Victoria, BC, Canada
Correspondence:
[*]
17171 Bothell Way NE, PMB 280, Seattle, WA 98155, USA. Tel.: +1 206 979 4582; Fax: +1 206 362 4453; E-mail: [email protected].
Note: [1] Author notes: Dr. Williams is a licensed psychologist in Washington state, California and British Columbia. He is a Diplomate of the American Board of Professional Neuropsychology. He is a Clinical Assistant Professor at the University of Washington.
Abstract: This article describes measurement and norming problems with commonly used neuropsychological tests. Test standards regarding differential diagnoses, validity and reliability, the need for manuals, standardized administration, screening, and research versions are discussed. Further development of reliability, validity, sensitivity and specificity is needed for many tests.
