The paced auditory serial addition task (PASAT): Norms for age, education,and ethnicity

The Paced Auditory Serial Addition Task (PASAT) is often used to measure at tention, concentration, working; memory, and speed of information processin g. Using a modified 200-item version of the PASAT with presentation rates o f 3.0, 2.4, 2.0, and 1.6 items per second, we analyzed demographic influenc es on test performance in a large sample (N = 566) of healthy North America n adults. We found that age, education, and ethnicity were significant pred ictors, accounting for nearly 23% of the variance in test performance. We d iscuss these results in comparison to previous normative studies, and prese nt a formula and tables for computing age, education, and ethnicity-adjuste d T scores for Performance on the PASAT-200.