Normative data on computerized paced auditory serial addition task performance.

Computerized testing has increased in popularity over the past two decades. The present study examined properties of the computerized version of the Paced Auditory Serial Addition Task (PASAT). The PASAT was administered to 168 college students ages 17 to 48 years with no history of neurological or emotional problems. Analysis of variance showed no significant effects of gender or age. With increasing rate of presentation, participants gave fewer correct responses. The number of errors decreased rather than increased across PASAT trials, reflecting participants' tendency to "skip" items. Additional normative data are presented. Performance on the computerized PASAT appears similar to published norms on the PASAT version presented via audiocassette. It is suggested that the computerized and audiocassette versions of the PASAT may be used as alternate forms in well-educated adults.