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The Adaptive Ability Performance Test (ADAPT): A New Instrument for Measuring Adaptive Skills in People with Intellectual Disabilities and Borderline Intellectual Functioning
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Jonker, Femke; Didden, Robert; Goedhard, Laurette; Korzilius, Hubert; Nijman, Henk – Journal of Applied Research in Intellectual Disabilities, 2021
Background: Since the DSM-5, adaptive functioning has taken a prominent place in the classification of intellectual disability (ID). The ADAPT was developed to assess adaptive skills in individuals with ID. Method: A total of 2,081 ADAPTs from clients with suspected ID or borderline intellectual functioning and 129 ADAPTs from people from the…
Descriptors: Intellectual Disability, Test Construction, Mild Intellectual Disability, Individual Characteristics
Therapist Characteristics Predict Discrete Trial Teaching Procedural Fidelity
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Peters-Scheffer, Nienke; Didden, Robert; Korzilius, Hubert; Sturmey, Peter – Intellectual and Developmental Disabilities, 2013
Early intensive behavioral intervention is generally effective for children with autism spectrum disorder but is associated with variability in treatment outcome and quality of treatment delivery may contribute to this. This study examined the relationship between therapist personality, attitude toward individuals with a disability, and perceived…
Descriptors: Fidelity, Behavior Modification, Intervention, Teaching Methods
Predicting Change in Emotional and Behavioural Problems during Inpatient Treatment in Clients with Mild Intellectual Disability
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Tenneij, Nienke; Didden, Robert; Koot, Hans M. – Journal of Applied Research in Intellectual Disabilities, 2011
Background: Little is known about client characteristics that are related to outcome during inpatient treatment of adults with mild intellectual disability (ID) and severe behavioural problems. Method: We explored variables that were related to a change in behavioural problems in 87 individuals with mild ID during inpatient treatment in facilities…
Descriptors: Personality Problems, Mild Mental Retardation, Behavior Disorders, Emotional Disturbances
Maternal Stress Predicted by Characteristics of Children with Autism Spectrum Disorder and Intellectual Disability
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Peters-Scheffer, Nienke; Didden, Robert; Korzilius, Hubert – Research in Autism Spectrum Disorders, 2012
To determine maternal stress and child variables predicting maternal stress, 104 mothers of children with autism spectrum disorder (ASD) and intellectual disability (ID) completed the Dutch version of the Parental Stress Index (PSI; De Brock, Vermulst, Gerris, & Abidin, 1992) every six months over a period of two years. The level of maternal…
Descriptors: Mothers, Mental Retardation, Autism, Child Behavior
Markers for Aggression in Inpatient Treatment Facilities for Adults with Mild to Borderline Intellectual Disability
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Tenneij, Nienke H.; Didden, Robert; Stolker, Joost Jan; Koot, Hans M. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2009
In high care settings for persons with intellectual disability (ID) aggressive incidents often occur. Still little is known about factors that are associated with an increased risk for aggressive behavior in clients who are admitted to an inpatient treatment facility. In four inpatient facilities, 108 adults with mild and borderline ID and…
Descriptors: Behavior Problems, Aggression, Self Control, Mental Retardation