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dc.identifier.citationThe Journal of Head Trauma Rehabilitation: July/August 2016 - Volume 31 - Issue 4 - p E59-E68 doi: 10.1097/HTR.0000000000000170
dc.description.abstractObjective: To examine internal construct validity of the Neurobehavioral Functioning Inventory (NFI) by apply- ing 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.publisherWolters Kluwer
dc.rightsThis is an open-access article distributed under the terms of the Creative Com- mons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC- ND), 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.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
dark.contributor.authorCzuba, KJen_NZ
dark.contributor.authorKersten, Pen_NZ
dark.contributor.authorKayes, NMen_NZ
dark.contributor.authorSmith, GAen_NZ
dark.contributor.authorBarker-Collo, Sen_NZ
dark.contributor.authorTaylor, WJen_NZ
dark.contributor.authorMcPherson, KMen_NZ
aut.relation.journalJournal of Head Trauma Rehabilitationen_NZ

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