Document Type

Article

Publication Date

1992

Abstract

Empirical data from two studies address the clinical validity of discrepancy criteria for identification of children with developmental language disorders (DLD). Study 1 involved 256 preschoolers clinically defined as DLD and meeting inclusionary criteria for normal hearing, intellectual, neurological, and psychiatric status. Application of alternative psychometrically derived discrepancy criteria identified only 40% to 60% of the clinically defined group as language disordered. Study 2 applied nonverbal IQ-language performance discrepancy criteria to 368 eight-year-old, randomly selected control subjects, resulting in over 45% of the controls being identified as DLD. Factors contributing to underidentification in Study 1 and overidentification in Study 2 are discussed, raising questions regarding the validity of discrepancy criteria for identification of DLD children.

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Originally posted in:

Aram, D., Morris, R. & Hall, N. (1992). Validity of discrepancy criteria for identifying children with developmental language disorders. Journal of Learning Disabilities, 25(9), 549554. doi: 10.1177/002221949202500902

(c) Sage Publishing. Posted with the permission fo the publisher.

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