Item-Level Psychometrics and Predictors of Performance for Spanish/English Bilingual Speakers on An Object and Action Naming Battery PurposeThere is a pressing need for psychometrically sound naming materials for Spanish/English bilingual adults. To address this need, in this study the authors examined the psychometric properties of An Object and Action Naming Battery (An O&A Battery; Druks & Masterson, 2000) in bilingual speakers.MethodNinety-one Spanish/English bilinguals named O&A Battery items ... Article
Article  |   April 01, 2012
Item-Level Psychometrics and Predictors of Performance for Spanish/English Bilingual Speakers on An Object and Action Naming Battery
 
Author Affiliations & Notes
  • Lisa A. Edmonds
    The University of Florida, Gainesville
  • Neila J. Donovan
    Louisiana State University, Baton Rouge
  • Correspondence to Lisa A. Edmonds: edmonds@ufl.edu
  • Editor: Anne Smith
    Editor: Anne Smith×
  • Associate Editor: Christine Dollaghan
    Associate Editor: Christine Dollaghan×
Article Information
Special Populations / Cultural & Linguistic Diversity / Language
Article   |   April 01, 2012
Item-Level Psychometrics and Predictors of Performance for Spanish/English Bilingual Speakers on An Object and Action Naming Battery
Journal of Speech, Language, and Hearing Research, April 2012, Vol. 55, 359-381. doi:10.1044/1092-4388(2011/10-0307)
History: Received November 5, 2010 , Revised April 28, 2011 , Accepted August 12, 2011
 
Journal of Speech, Language, and Hearing Research, April 2012, Vol. 55, 359-381. doi:10.1044/1092-4388(2011/10-0307)
History: Received November 5, 2010; Revised April 28, 2011; Accepted August 12, 2011
Web of Science® Times Cited: 5

PurposeThere is a pressing need for psychometrically sound naming materials for Spanish/English bilingual adults. To address this need, in this study the authors examined the psychometric properties of An Object and Action Naming Battery (An O&A Battery; Druks & Masterson, 2000) in bilingual speakers.

MethodNinety-one Spanish/English bilinguals named O&A Battery items in English and Spanish. Responses underwent a Rasch analysis. Using correlation and regression analyses, the authors evaluated the effect of psycholinguistic (e.g., imageability) and participant (e.g., proficiency ratings) variables on accuracy.

ResultsRasch analysis determined unidimensionality across English and Spanish nouns and verbs and robust item-level psychometric properties, evidence for content validity. Few items did not fit the model, there were no ceiling or floor effects after uninformative and misfit items were removed, and items reflected a range of difficulty. Reliability coefficients were high, and the number of statistically different ability levels provided indices of sensitivity. Regression analyses revealed significant correlations between psycholinguistic variables and accuracy, providing preliminary construct validity. The participant variables that contributed most to accuracy were proficiency ratings and time of language use.

ConclusionsResults suggest adequate content and construct validity of O&A items retained in the analysis for Spanish/English bilingual adults and support future efforts to evaluate naming in older bilinguals and persons with bilingual aphasia.

Acknowledgments
We would like to acknowledge the American Speech-Language-Hearing Association for providing a multicultural grant to the first author to fund this project. In addition, we extend our gratitude to the following students in the Aphasia and Bilingualism Lab at the University of Florida who assisted with data collection, management, and analysis: Vanessa Maltby, Maria Andreína Nieto-Quintero, Stacey Herlofsky, Gabriel Mayora, Bianka Vasquez, Melissa Iandoli, and Kristin Goldman.
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