A differential item functioning

A differential item functioning

Purpose: To examine the cross-cultural applicability of the Communicative Participation Item Bank (CPIB) through a comparison of respondents with Parkinson's disease (PD) from the United States and New Zealand. Method: A total of 428 respondents--218 from the United States and 210 from New Zeal...

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Veröffentlicht in:Journal of speech, language, and hearing research language, and hearing research, 2014-02, Vol.57 (1), p.90
Hauptverfasser: McAuliffe, Megan J, Baylor, Carolyn, Yorkston, Kathryn, Anderson, Tim, Kim, Jiseon, Hughes, Louise E, Amtmann, Dagmar
Format: Artikel
Sprache:eng
Schlagworte:
Articulation disorders
Communicative disorders
Item response theory
Linguistic research
Parkinson's disease
Psychological aspects
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Zusammenfassung:Purpose: To examine the cross-cultural applicability of the Communicative Participation Item Bank (CPIB) through a comparison of respondents with Parkinson's disease (PD) from the United States and New Zealand. Method: A total of 428 respondents--218 from the United States and 210 from New Zealand--completed the self-report CPIB and a series of demographic questions. Differential item functioning (DIF) analyses were conducted to examine whether response bias was present across the 2 groups. Results: No items were identified as having statistically significant DIF across the U.S. and N.Z. cohorts. Conclusion: The current CPIB items and scoring parameters are also suitable for use with respondents from New Zealand. Key Words: communicative participation, Parkinson's disease, dysarthria, outcomes measurement, item response theory, cultural and linguistic diversity
ISSN:1092-4388