Validating the learning disability screening questionnaire against the Weschler Adult Intelligence Scale, Fourth Edition

McKenzie, Karen, Sharples, Phil and Murray, Aja Louise (2015) Validating the learning disability screening questionnaire against the Weschler Adult Intelligence Scale, Fourth Edition. Intellectual and Developmental Disabilities, 53 (4). pp. 301-307. ISSN 1934 9556

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Abstract

The Learning Disability Screening Questionnaire (LDSQ), a brief screening tool for intellectual disability, was originally validated against the Weschler Adult Intelligence Scale, Third Edition (WAIS-III), which was superseded by the Weschler Adult Intelligence Scale, Fourth Edition (WAIS-IV) in the United Kingdom in 2010. This study examines the performance of the LDSQ using the WAIS-IV as the diagnostic intellectual assessment. Based on the original optimal cut-off score, the LDSQ sensitivity value was equivalent (91%) to that obtained in the original validation study, and the specificity value was higher at 92%. This suggests that the LDSQ remains valid when using the WAIS-IV as the comparative intellectual assessment.

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