Construct validity of the NIH toolbox cognition battery in individuals with stroke

So prior to this our medical teams were completely blind in cognitive testing post stroke. Aren't you glad you were a guinea pig in your doctors unregistered research? I bet your doctor provided your results to no one.
https://search.naric.com/research/rehab/redesign_record.cfm?search=2&type=all&criteria=J77631&phrase=no&rec=135597&article_source=Rehab&international=0&international_language=&international_location=
Rehabilitation Psychology , Volume 62(4) , Pgs. 443-454.

NARIC Accession Number: J77631.  What's this?
ISSN: 0090-5550.
Author(s): Carlozzi, Noelle E; Tulsky, David S.; Wolf, Timothy J.; Goodnight, Siera.; Heaton, Robert K.; Casaletto, Kaitlin B.; Wong, Alex W. K; Baum, Carolyn; Gershon, Richard C.; Heinemann, Allen W..
Project Number: 90RT5008 (formerly H133B090024).
Publication Year: 2017.
Number of Pages: 12.
Abstract: Study evaluated the construct validity of the National Institutes of Health (NIH) Toolbox (NIHTB) for the Assessment of Behavior and Neurological Function Cognition Battery (NIHTB-CB) in individuals with stroke. The NIHTB-CB provides a brief assessment (approximately 30 minutes) of key components of cognition. A total of 131 individuals with stroke (71 with mild stroke; 60 with moderate/severe stroke) completed the NIHTB-CB. Univariate analyses were conducted to examine the cognitive profiles of the two different stroke groups (mild versus moderate/severe stroke) on NIHTB-CB measures and composite scores. Pearson correlations were computed to evaluate relationships between NIHTB-CB and established measures to examine convergent and discriminant validity. Effect sizes and clinical impairment rates for the different NIHTB-CB measures and composite scores were also examined. Participants experiencing moderate-to-severe stroke had poorer performance than did individuals with mild stroke on several of the NIHTB cognition measures. Evidence of convergent validity was provided by moderate-to-strong correlations between the NIHTB measures and the corresponding standard neuropsychological test (Pearson correlation coefficients ranged from 0.31 to 0.88). Evidence of discriminant validity was provided by smaller correlations between different cognitive domains than correlations of measures within the same domain. Effect sizes for composite and subtest scores regarding stroke severity were generally moderate-to-large. In addition, 42 percent of the sample were exhibiting mild cognitive impairment (i.e., ≥2 low scores on fluid tests). Findings provide support for the construct validity of the NIHTB-CB in individuals with stroke.
Descriptor Terms: COGNITION, MEASUREMENTS, OUTCOMES, PERFORMANCE STANDARDS, PROGRAM EVALUATION, STROKE.


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Citation: Carlozzi, Noelle E, Tulsky, David S., Wolf, Timothy J., Goodnight, Siera., Heaton, Robert K., Casaletto, Kaitlin B., Wong, Alex W. K, Baum, Carolyn, Gershon, Richard C., Heinemann, Allen W.. (2017). Construct validity of the NIH toolbox cognition battery in individuals with stroke.  Rehabilitation Psychology , 62(4), Pgs. 443-454. Retrieved 2/21/2018, from REHABDATA database.