ArticleSchizophrenia research. Cognition2025
Wide Range Achievement Test word reading subtest score as an indicator of premorbid intellectual disability in serious mental illness.
Article in Schizophrenia research. Cognition, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
4 authors.
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Abstract
Objective: Performance on reading tests is often used as an indicator of premorbid intellectual disability in individuals with serious mental illness (SMI), but independent evidence validating their use is lacking. This study evaluated the accuracy of the Wide Range Achievement Test Word Reading Subtest in predicting history of intellectual disability in people with SMI. Methods: Participants were 105 people with SMI (62.8 % schizophrenia) with either a confirmed history of intellectual disability based on medical record review (Confirmed ID; Results: The ROC curve indicated that a cutoff score of 70 or below on the WRAT correctly identified 88.9 % of individuals with Confirmed ID (sensitivity) and incorrectly identified 5.6 % of individuals with No ID (Specificity) ( Conclusions: A WRAT Word Reading Subtest score of ≤70 is a strong indicator of premorbid intellectual disability in people with SMI.
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