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Journal of Deaf Studies and Deaf Education 8:4 2003
© 2003 Oxford University Press

Empirical Article

The Language Proficiency Profile-2: Assessment of the Global Communication Skills of Deaf Children Across Languages and Modalities of Expression

James M. Bebko

York University

Rosemary Calderon

University of Washington

Robert Treder

Insightful Corporation

Data are presented from two studies that investigate the developmental trends and concurrent validity of a measure of language and communication skills for deaf children, the Language Proficiency Profile-2 (LPP-2), developed by Bebko and McKinnon (1993). The LPP-2 was designed to evaluate the overall linguistic/communicative skills of deaf children, independent of any specific language or modality of expression. It focuses on the totality of the children's communication skills. Experiment 1 investigated developmental trends of the LPP-2 for both deaf and hearing children, studying a combined sample of deaf and hearing children from the United States and Canada. Experiment 2 investigated the relationship between the LPP-2 and two commonly used measures to assess deaf children on language development (Preschool Language Scale-3) and early reading skills (Test of Early Reading Ability-Deaf/Hard-of-Hearing). Results from the two studies indicate that the LPP-2 has good utility not only as a measure of overall language development but also as a predictor of achievement for English language and early reading skills.

The first two authors contributed equally to this article; authorship is listed in alphabetical order. This research was supported in part by a grant awarded to Rosemary Calderon by the University of Washington Royalty Research Fund and by a Social Science and Humanities Research Council Small Grant awarded to James M. Bebko. For specific use of the LPP-2 measure, please contact author Bebko. Correspondence should be sent to James M. Bebko, Department of Psychology, York University, 4700 Keele Street, Toronto, Ontario, Canada M3J 1P3 (e-mail: jbebko{at}yorku.ca).

Received December 6, 2001; revised October 30, 2002; accepted March 20, 2003


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