Abstract
This chapter focuses on the impact dual disorders have on the interpretation of measures of intelligence and adaptive behavior in the assessment of intellectual disabilities (ID). The degree of diversity in etiology and associated medical, psychiatric, and social features in this population presents numerous diagnostic and intervention planning challenges for practitioners. An overview of contemporary theory and measures used to assess intellectual capacities and adaptive behavior in children, adolescents, and adults is offered. Diagnostic and clinical implications associated with selecting and interpreting these instruments for use with this population are also explored. Recommendations for practical considerations and adaptations are offered.
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Hennessey, J.M., McGowan, M.R. (2020). Effects of IQ and Adaptive Behavior on Assessment and Treatment in Dual Diagnosis. In: Matson, J. (eds) Handbook of Dual Diagnosis. Autism and Child Psychopathology Series. Springer, Cham. https://doi.org/10.1007/978-3-030-46835-4_5
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