Reliability of the NIH Toolbox-Cognition Battery
Author Information
Author(s): Bowes Aaron, Giordani Bruno, Kavcic Voyko
Primary Institution: Wayne State University
Hypothesis
The study evaluates the reliability of the NIH Toolbox-Cognition Battery over short retest intervals.
Conclusion
The NIH Toolbox-Cognition Battery shows acceptable retest reliability for both summary indices and subtests over short retest intervals.
Supporting Evidence
- The study involved 13 participants aged 65 or older.
- Reliability was assessed using intraclass correlations, with most ICCs ranging from 0.75 to 0.90.
- No significant differences were found in scores over the retest interval.
Takeaway
This study looked at how reliable a cognitive test is when taken again after a short time, and it found that the test works well.
Methodology
Participants completed the NIH Toolbox-Cognition Battery twice over a 3-week interval, and reliability was assessed using intraclass correlations.
Limitations
The study involved a small sample size and specific demographic group.
Participant Demographics
Community-dwelling African American/Black adults aged 65 or older.
Digital Object Identifier (DOI)
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