Dynamic Assessment of Narratives: Efficient, Accurate Identification of Language Impairment in Bilingual Students

Author:

Petersen Douglas B.1,Chanthongthip Helen2,Ukrainetz Teresa A.1,Spencer Trina D.3,Steeve Roger W.1

Affiliation:

1. University of Wyoming, Laramie

2. Synertx Rehabilitation, Great Falls, Montana

3. Northern Arizona University, Flagstaff

Abstract

Purpose This study investigated the classification accuracy of a concentrated English narrative dynamic assessment (DA) for identifying language impairment (LI). Method Forty-two Spanish–English bilingual kindergarten to third-grade children (10 LI and 32 with no LI) were administered two 25-min DA test–teach–test sessions. Pre- and posttest narrative retells were scored in real time. Using a structured intervention approach, examiners taught children missing story grammar elements and subordination. A posttest was administered using a parallel story. Results Four classification predictors were analyzed: posttest scores, gain scores, modifiability ratings, and teaching duration. Discriminant function analysis indicated that an overall modifiability rating was the best classifier, with 100% sensitivity and 88% specificity after 1 DA session and 100% sensitivity and specificity after 2 sessions. Any 2 combinations of posttest scores, modifiability ratings, and teaching duration for just 1 session resulted in sensitivity and specificity rates over 90%. Receiver operating characteristic analyses were used to identify clinically usable cutoff points. Post hoc exploration indicated that similar results could be obtained after only one 5–10-min teaching cycle, potentially further abbreviating the DA process. Conclusion Concentrated English narrative DA results in high classification accuracy for bilingual children with and without LI. This efficient version of DA is amenable to clinical use.

Publisher

American Speech Language Hearing Association

Subject

Speech and Hearing,Linguistics and Language,Language and Linguistics

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