Test Of Variables Of Attention
The T.O.V.A test, a test of variables of attention, is an objective, neuropsychological assessment that measures a person's attention while screening for attention deficit hyperactivity disorder, or ADHD. Generally, the test is 21.6 minutes long, and is presented as a simple, yet boring, computer game. The test is used to measure a number of variables involving the test takers response to either a visual or auditory stimulus. These measurements are then compared to the measurements of a group of people without attention disorders who took the T.O.V.A. This test should be used along with a battery of neuropsychological tests, such as a detailed history, subjective questionnaires, interviews, and symptom checklists before a diagnosis should be concluded.
The T.O.V.A. has been shown to accurately identify 87% of individuals without ADHD, 84% of non-hyperactive ADHD, and 90% of the hyperactive ADHD, but should never be used solely as a diagnostic tool for those testing for Attention Deficit Disorders or with a Traumatic Brain Injury.
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