Examining the psychometrics of the Psychopathology Inventory for Mentally Retarded Adults-II for individuals with mild and moderate intellectual disabilities |
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| Institution: | 1. Louisiana State University, 2124 Cheshire Bridge Road NE, Atlanta, GA 30324, United States;2. Louisiana State University, 236 Audubon Hall, Baton Rouge, LA 70803, United States;1. Department of Neuroscience and Neurorehabilitation, Bambino Gesù Children''s Hospital IRCCS, Rome, Italy;2. Department of Paediatric Neurology, Catholic University, Rome, Italy;1. Prinsenstichting, Care Providing Agency, Spinnekop 5, 1444 GN Purmerend, The Netherlands;2. ’s Heeren Loo, Apeldoorn, Care Providing Agency, Regenboogbrink 12, 7325 BA Apeldoorn, The Netherlands;3. ’s Heeren Loo, Ermelo, Care Providing Agency, Enckerkamp 2, 3853 HL Ermelo, The Netherlands;4. Dichterbij, Care Providing Agency, Wanssumseweg 14, 5807EA Oostrum, The Netherlands;5. Intellectual Disability Medicine, Department General Practice, Erasmus University Medical Center Rotterdam, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands;1. Center for Coastal Ocean Science and Technology Research, School of Marine Science, Sun Yat-sen University, 510275 Guangzhou, China;2. Delft Institute of Applied Mathematics, Delft University of Technology, P.O. Box 5031, 2628 CD Delft, The Netherlands;3. Water Engineering and Management, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands;1. Child Development Center, University Children''s Hospital, Steinwiesstrasse 75, 8032 Zurich, Switzerland;2. Division of Congenital Cardiovascular Surgery, University Children''s Hospital Zurich/Children''s Reseach Center, Switzerland;3. Department of Pediatrics, Kantonsspital Winterthur, Brauerstr. 15, 8401 Winterthur, Switzerland;4. Childrens Research Center, University Children''s Hospital, Steinwiesstrasse 75, 8032 Zurich, Switzerland;5. Department of Psychiatry and Psychotherapy A, General Hospital, Milser Straße 10, 6060 Hall in Tyrol, Austria;1. University of Groningen, Faculty of Behavioural and Social Sciences, Department of Special Needs Education and Youth Care, Grote Rozenstraat 38, 9712TJ Groningen, The Netherlands;2. De Kinderacademie Groningen, Herestraat 106, 9711LM Groningen, The Netherlands;3. University of Groningen, Faculty of Behavioural and Social Sciences, Department of Psychometrics and Statistics, Grote Kruisstraat 2/1, 9712TS Groningen, The Netherlands |
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| Abstract: | With growing recognition of the occurrence of psychological disorders in individuals with intellectual disability (ID), researchers and clinicians alike have placed emphasis on developing measures to assess for psychopathologies in this population. Despite an increased interest in the topic, there is still a dearth of psychometrically robust measures available to assess for psychopathology in adults with mild and moderate ID. The purpose of this study was to examine the psychometric properties of a revised measure for psychopathology in individuals with mild and moderate ID, the Psychopathology Inventory for Mentally Retarded Adults – second edition (PIMRA-II). Internal consistency, inter-rater reliability, and test–retest reliability were investigated. Validity was studied via convergent validity by comparing the PIMRA-II to the Assessment of Dual Diagnosis (ADD) and via discriminate validity by comparing the PIMRA-II to the Social Performance Survey Schedule (SPSS) prosocial scores. Lastly, an exploratory factor analysis was conducted to determine the factor structure of the scale. |
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| Keywords: | PIMRA-II Psychometrics Intellectual disabilities Psychopathology Assessment |
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