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Paced Auditory Serial Addition Test: adult norms and moderator variables
A N Wiens1, K H Fuller, J R Crossen
1Oregon Health Sciences University, Portland 97201, USA.
Journal of Clinical and Experimental Neuropsychology
|August 1, 1997
Summary
This study found that age and IQ significantly impact performance on the Paced Auditory Serial Addition Test (PASAT) in healthy adults. Normative data are now available stratified by age and IQ for accurate clinical use.
Area of Science:
- Neuropsychology
- Cognitive Psychology
- Psychometrics
Background:
- The Paced Auditory Serial Addition Test (PASAT) is a widely used cognitive assessment.
- Establishing normative data is crucial for accurate interpretation of PASAT performance.
- Previous research has not fully elucidated demographic and cognitive factors influencing PASAT scores in healthy, motivated populations.
Purpose of the Study:
- To examine the performance of healthy job applicants on the PASAT.
- To identify demographic and cognitive variables that significantly moderate PASAT performance.
- To provide age- and IQ-stratified normative data for the PASAT.
Main Methods:
- A sample of 821 healthy job applicants completed the PASAT.
- Participants underwent screening for cognitive impairment and medical illness.
- Statistical analyses were performed to identify significant moderator variables, including age and IQ.
Main Results:
- Age and IQ were significant moderators of PASAT performance.
- Gender, ethnicity, and education did not significantly affect test results.
- Normative data were stratified by age and WAIS-R Full Scale IQ scores.
Conclusions:
- PASAT performance in healthy adults is influenced by age and IQ.
- The study provides valuable normative data for clinical interpretation of PASAT scores.
- These findings enhance the utility of the PASAT in clinical practice by accounting for key individual differences.
