Measuring neurobehavioral functioning in people with traumatic brain injury: Rasch analysis of Neurobehavioral Functioning Inventory

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aut.researcherMcPherson, Kathryn
dc.contributor.authorCzuba, KJen_NZ
dc.contributor.authorKersten, Pen_NZ
dc.contributor.authorKayes, NMen_NZ
dc.contributor.authorSmith, Gen_NZ
dc.contributor.authorBarker-Collo, SLen_NZ
dc.contributor.authorTaylor, WJen_NZ
dc.contributor.authorMcPherson, KMen_NZ
dc.date.accessioned2015-09-16T02:23:56Z
dc.date.available2015-09-16T02:23:56Z
dc.date.copyright2015en_NZ
dc.date.issued2015en_NZ
dc.description.abstractObjective: To examine internal construct validity of the Neurobehavioral Functioning Inventory (NFI) by applying Rasch analysis. Setting: An outpatient rehabilitation program trial in New Zealand employing a goal-setting intervention in people with traumatic brain injury (TBI). Participants: One hundred eight people (mean age = 46 years; 73% male) between 6 months and 5 years post-TBI. Design: Rasch analysis of the NFI (Partial Credit Model). Results: Three NFI subscales were not unidimensional and at least 4 items in each subscale had disordered response categories. Two items showed differential item functioning by age, 1 item by educational attainment, and 2 items were found to misfit the overall construct. These items were excluded from the total score calculation. The revised scale fit the Rasch model and supported the internal construct validity of the NFI. Conclusions: Current scoring of the NFI subscales for people with TBI in New Zealand does not meet the requirements of the Rasch model. The revised version of NFI can improve the interpretation of scores but should be further tested with people with TBI in other settings.
dc.identifier.citationJournal of Head Trauma Rehabilitation. DOI: 10.1097/HTR.0000000000000170en_NZ
dc.identifier.doi10.1097/HTR.0000000000000170en_NZ
dc.identifier.urihttps://hdl.handle.net/10292/9066
dc.publisherWolters Kluwer Health, Inc.
dc.relation.urihttp://dx.doi.org/10.1097/HTR.0000000000000170
dc.rightsThis is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivitives 3.0 License, where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially.
dc.rights.accessrightsOpenAccessen_NZ
dc.subjectAssessment; Measurement; Neurobehavioral functioning; Rasch analysis; Traumatic brain injury
dc.titleMeasuring neurobehavioral functioning in people with traumatic brain injury: Rasch analysis of Neurobehavioral Functioning Inventoryen_NZ
dc.typeJournal Article
pubs.elements-id189446
pubs.organisational-data/AUT
pubs.organisational-data/AUT/Health & Environmental Science
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