Test-retest reliability and practice effects on a shortened version of the Category Switch Task - a pilot study

Test-retest reliability and practice effects have not been assessed for the Category Switch Task (CST), a task-switching paradigm readily available to researchers. Forty-eight participants completed a shortened CST twice. Test-retest intervals were either same day, one day, or one week. Test-retest...

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Bibliographic Details
Published in:Journal of cognitive psychology (Hove, England) England), 2024-08, Vol.36 (6), p.742-753
Main Authors: Smithies, Tim D., Toth, Adam J., Campbell, Mark J.
Format: Article
Language:English
Subjects:
Accuracy
category switch
practice effects
Reliability
Response time
task-switching
test-retest
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Summary:Test-retest reliability and practice effects have not been assessed for the Category Switch Task (CST), a task-switching paradigm readily available to researchers. Forty-eight participants completed a shortened CST twice. Test-retest intervals were either same day, one day, or one week. Test-retest reliability was assessed via Pearson's correlation and intraclass correlation coefficient. Practice Effects were assessed using paired-samples t-tests, and the effect of interval was examined through a series of ANCOVAs. Single task, switch cost and mixing cost response time test-retest reliability was comparable to other task-switching paradigms, while reliability for switch and mixing cost accuracy was poor. Test-retest Practice Effects were present for single task response time and accuracy, and mixing cost response time. Of these, Practice Effects varied as a function of interval only for single task accuracy, where an interval of one week resulted in a smaller improvement compared to one day. Results and implications for use are discussed.
ISSN:2044-5911
2044-592X
DOI:10.1080/20445911.2024.2357363