The DASH-II is a measure of comorbid psychopathology in people with severe and profound Intellectual Disabilities. Parents/caretakers familiar with the individual rates each item. This 84-item measure consists of 13 subscales: Anxiety, Depression, Mania, PDD/Autism, Schizophrenia, Stereotypies, Self-Injury, Elimination, Eating, Sleeping, Sexual, Organic, and Impulse Control. Sample items include: 'Throws objects at people'; 'Has little appetite'; 'Collects or hoards objects'; and 'Engages in repetitive body movements, such as rocking, spinning, or handflapping.'

References:

Cherry, K. E., Penn, D., Matson, J. L., & Bamburg, J. W. (2000). Characteristics of schizophrenia among persons with severe or profound mental retardation. Psychiatric Services, 51(7), 922-924.

Hill, J., & Furniss, F. (2006). Patterns of emotional and behavioural disturbance associated with autistic traits in young people with severe intellectual disabilities and challenging behaviours. Research in Developmental Disabilities, 27(5), 517-528.

La Malfa, G., Lassi, S., Salvini, R., Giganti, C., Bertelli, M., & Albertini, G. (2007). The relationship between autism and psychiatric disorders in intellectually disabled adults. Research in Autism Spectrum Disorders, 1(3), 218-228.

Lapierre, C. B. (2000). A comparison of the DASH-II (Diagnostic assessment for the Severely Handicapped-II) to pre-existing psychological diagnosis. ProQuest Information & Learning, US.

Matson, J.L. (1995). The Diagnostic Assessment for the Severely Handicapped revised (DASH-II). Baton Rouge, LA: Disability Consultants, LLC.

Matson, J. L., Rush, K. S., Hamilton, M., Anderson, S. J., Bamburg, J. W., & Baglio, C. S. (1999). Characteristics of depression as assessed by the Diagnostic Assessment for the Severely Handicapped-II (DASH-II). Research in Developmental Disabilities, 20(4), 305-313.

Sturmey, P., Matson, J. L., & Lott, J. D. (2004). The Factor Structure of the DASH-II. Journal of Developmental and Physical Disabilities, 16(3), 247-255.

Valdovinos, M. G., Zarcone, J. R., Hellings, J. A., Kim, G., & Schroeder, S. R. (2004). Using the Diagnostic Assessment of the Severely Handicapped-II (DASH-II) to measure the therapeutic effects of risperidone. Journal of Intellectual Disability Research, 48(1), 53-59.

Velarte, M. a. M. n., Mellado, J. G. a., & Martín, M. A. F. (2002). Risperidona en trastornos de la conducta y/o síntomas psicóticos en pacientes con retraso mental. Revista de Psiquiatría Infanto-Juvenil, 19(3), 113-121.