Te Waka Kuaka, Rasch analysis of a cultural assessment tool in traumatic brain injury in Māori.

Hinemoa Elder, Karol J. Czuba, Paula Kersten, Alfonso Caracuel , Kathryn McPherson

Research output: Contribution to journalArticle

Abstract

Background: The aim was to examine the validity of a new measure, Te Waka Kuaka, in assessing the cultural needs of Māori with traumatic brain injury (TBI).
Methods: Māori from around Aotearoa, New Zealand were recruited. 319 people with a history of TBI, their whānau (extended family members), friends, work associates, and interested community members participated. All completed the 46-item measure. Rasch analysis of the data was undertaken.
Results: All four subscales; Wā (time), Wāhi (place), Tangata (people) and Wairua practices (activities that strengthen spiritual connection) were unidimensional. Ten items were deleted because they did not fit the model, due to statistically significant disordered thresholds, non-uniform differential item functioning (DIF) and local dependence. Five items were re-scored in the fourth subscale resulting in ordered thresholds.
Conclusions: Rasch analysis facilitated a robust validation process of Te Waka Kuaka.
Original languageEnglish
JournalF1000Research
Volume6
Issue number1034
DOIs
Publication statusPublished - 30 Jun 2017

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