Continuous Performance Tests

When ordering the continuous performance tests listed below from ADD WareHouse, purchaser using these tests must complete a Qualification Form. Complete an Online Qualification Form and submit it electronically for fast results. Your form will be reviewed the next business day and qualified orders will be processed immediately.

Gordon Diagnostic System®

A continuous performance test used in the process of assessing chilren and adults with ADHD.


Test of Variables of Attention 9 (T.O.V.A.)

A computerized, objective measure of attention and inhibitory control normed by gender for ages 4 to 80+.