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Assessment, Vol. 13, No. 4,
381-384 (2006)
DOI: 10.1177/1073191106286567
Association Between Dyads and Correct Responses on the Paced Auditory Serial Addition Task (PASAT)
Raul Gonzalez
University of Illinois, Chicago
S. Walden Miller
University of California, San Diego
Catherine L. Carey
University of California, San Francisco
Steven Paul Woods
University of California, San Diego
Julie D. Rippeth
Walter Reed Army Medical Center
Brian C. Schweinsburg
University of California, San Diego
Marc A. Norman
University of California, San Diego
Eileen M. Martin
University of Illinois, Chicago
Robert K. Heaton
University of California, San Diego; San Diego State University
The sensitivity of the Paced Auditory Serial Addition Task (PASAT) to working memory deficits may be enhanced by examining "dyads" (i.e., correct responses immediately preceded by a correct response) as a complement to the traditional total correct summary score. In a sample of 397 mostly African American (79%) healthy adults, total dyad and total correct scores were highly correlated (r = .96, p < .001); however, the magnitude of this association diminished in faster stimulus presentation trials, particularly among participants with impaired working memory abilities.
Key Words: neuropsychology • neuropsychological tests • psychometrics • cognitive science
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