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Wessels, Marleen D.; van der Putten, Annette A. J.; Paap, Muirne C. S. – Journal of Applied Research in Intellectual Disabilities, 2021
Background: Knowledge about the quality of assessment methods used in the support of people with profound intellectual and multiple disabilities (PIMD) is scarce. This study aimed to provide an overview of the assessment methods used in practice and to examine whether these instruments were studied for their psychometric properties for people with…
Descriptors: Foreign Countries, Severe Intellectual Disability, Multiple Disabilities, Evaluation Methods
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Wessels, Marleen D.; Paap, Muirne C. S.; Van der Putten, Annette A. J. – Journal of Intellectual & Developmental Disability, 2021
Background: Research about the psychometric properties of the Behavioural Appraisal Scales (BAS) in people with profound intellectual and multiple disabilities (PIMD) is limited. This study evaluates invariance in factor structure, item bias and convergent validity of the BAS. Methods: Data on the BAS from two studies (n = 25; n = 52) were…
Descriptors: Test Validity, Ability Identification, Severe Intellectual Disability, Multiple Disabilities