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Cross Cultural DIF in Assessment of Symptoms of Brain Injury

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POSTPONED DUE TO ADVERSE WEATHER CONDITIONS

The European Brain Injury Questionnaire is a checklist of symptoms used not just as an assessment of subjective symptoms (Engberg and Teasdale, 2004; Mathiesen and Weinryb, 2004; McCrimmon and Oddy, 2006) but to evaluate the outcomes of the rehabilitation programmes of several European centres (Williams, Evans and Wilson, 1999; Boman, Lindstedt, Hemmingsson and Bartfai, 2004; Dewar and Wilson, 2005; Schönberger, Humle, Zeeman, and Teasdale, 2006). To date, data collected from different countries using this tool have not been examined using Rasch techniques. This preliminary analysis using RUMM2020 presents responses to the questionnaire by 300 patients from Spain, France and the UK. It affords an opportunity to examine the properties of the questionnaire. The discovery of cross-cultural differential item functioning in some items (e.g., “experienced crying easily” “having temper outbursts”) indicates the need for caution before pooling questionnaire data in international studies.

This talk is part of the The Psychometrics Centre series.

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