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NAB® Visual Discrimination Test

Robert A. Stern, PhD, and Travis White, PhD

Purpose:
Evaluates visual perceptual accuracy
Format:
Paper and pencil
Age range:
18 years to 97 years
Time:
10-15 minutes
Qualification level:
S
S
A degree, certificate, or license to practice in a health care profession or occupation, including (but not limited to) the following: medicine, neurology, nursing, occupational therapy and other allied health care professions, physician's assistants, psychiatry, social work; plus appropriate training and experience in the ethical administration, scoring, and interpretation of clinical behavioral assessment instruments. Certain health care providers may be eligible to purchase selected "B" and "C" level instruments within their area of expertise. Specifically, relevant supervised clinical experience using tests (i.e., internship, residency, etc.) in combination with formal coursework ( i.e., Tests and Measurement, Individual Assessment, or equivalent) qualifies a health care provider to purchase certain restricted products. Any PAR Customer already qualified to purchase a "B" or "C" level product, is also qualified to purchase an "S" level product. If you are not already qualified to purchase a "B"or "C" level product from PAR, please download and complete the special Qualification Form for Medical and Allied Health Professionals. (You will need Adobe Acrobat to view.) Close

This task evaluates deficits in visual perception using stimuli that are not easily verbally encoded. Administration of the assessment is relatively brief and straightforward, incorporating a match-to-target paradigm that is commonly used to measure visual perception.