The following is an excerpt from the National Alzheimer's Coordinating Center (NACC)'s Uniform Data Set Coding Guidebook for Initial Visit Packets (Version 2.0, February 2008).
The NPI-Q provides a reliable assessment of behaviors commonly observed in patients with dementia and is to be completed by a clinician or other trained health professional per informant interivew. Alzheimer's Disease Centers (ADCs) personnel must be certified as an NPI-Q interviewer through the online training system developed by the University of California, Los Angeles and the National Alzheimer's Coordinating Center (NACC).
Cummings JL, Mega M, Gray K, et al. The Neuropsychiatric Inventory: comprehensive assessment of psychopathology in dementia. Neurology 1994; 44:2308-14.
Kaufer DI, Cummings JL, Ketchel P, Smith V, MacMillan A, Shelley T, et al. Validation of the NPI-Q, a brief clinical form of the Neuropsychiatric Inventory. J Neuropsychiatry Clin Neurosci 2000;12:233-9.