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Action (verb) fluency: test-retest reliability, normative standards, and construct validity.

Steven Paul Woods1, J Cobb Scott, Danielle A Sires

  • 1HIV Neurobehavioral Research Center, Department of Psychiatry (0603-H), University of California, San Diego, 150 W. Washington St., 2nd floor, San Diego, CA 92103, USA. spwoods@ucsd.edu

Journal of the International Neuropsychological Society : JINS
|October 8, 2005
PubMed
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Action fluency, a verbal task, shows reliability and validity in healthy adults. This new task may better detect frontal-basal ganglia issues than traditional fluency tests.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Psychometrics

Background:

  • Action fluency is a novel verbal fluency task assessing verb generation.
  • It may be more sensitive to frontal-basal ganglia dysfunction than noun fluency tasks.
  • This aligns with proposed neural dissociation in noun and verb retrieval.

Purpose of the Study:

  • To examine the psychometric properties of the action fluency task.
  • To develop demographically adjusted normative data for action fluency.
  • To assess the reliability and construct validity of action fluency.

Main Methods:

  • 174 healthy young participants completed the action fluency task.
  • Analyses included developing normative data, correlational analyses, and test-retest stability assessments.

Related Experiment Videos

  • Correlations were examined with executive functions, verbal working memory, and processing speed.

    • Main Results:

    • Demographically adjusted normative data for action fluency were established.
    • Action fluency correlated significantly with executive functions, verbal working memory, and processing speed.
    • The test demonstrated good test-retest stability, indicating reliable change detection.

    Conclusions:

    • Action fluency is a reliable and valid measure.
    • It shows construct validity through associations with executive functions and processing speed.
    • The study provides normative data, enhancing clinical utility for action fluency assessment.