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Direct linkBelva, Brian C.; Matson, Johnny L.; Hattier, Megan A.; Kozlowski, Allison M.; Bamburg, Jay W. – Research in Autism Spectrum Disorders, 2012
The "Autism Spectrum Disorders-Diagnosis for Adults" ("ASD-DA") is a standardized assessment used to measure autistic symptomatology in adults with intellectual disabilities (ID). In order to further establish the validity of this measure, convergent validity of the "ASD-DA" was established by comparing…
Descriptors: Severe Disabilities, Autism, Validity, Behavior Rating Scales
Neal, Daniene; Matson, Johnny L.; Hattier, Megan A. – Journal of Mental Health Research in Intellectual Disabilities, 2014
The Autism Spectrum Disorder Observation for Children (ASD-OC) is a 45-item observation scale used to assess autistic symptomatology. The reliability of this measure has been established in previous research; therefore, the purpose of this study is to evaluate its validity among a sample of children (1-15 years). The large correlation between the…
Descriptors: Test Validity, Observation, Children, Pervasive Developmental Disorders
Mahan, Sara; Matson, Johnny L. – Research in Autism Spectrum Disorders, 2011
Many children with Autism Spectrum Disorder (ASD) demonstrate challenging behaviors. Since challenging behaviors are obstacles for social development and learning, it is important to determine if and what challenging behaviors are exhibited. Although there are some measures that asses for challenging behaviors, the majority were not specifically…
Descriptors: Autism, Pervasive Developmental Disorders, Behavior Problems, Measures (Individuals)
Kozlowski, Alison M.; Matson, Johnny L.; Worley, Julie A.; Sipes, Megan; Horovitz, Max – Research in Autism Spectrum Disorders, 2012
Early diagnosis of Autism Spectrum Disorders (ASDs) is crucial so that early intervention services, which have been found to best alleviate symptoms of ASD in children, can be implemented. Currently, the "Modified Checklist for Autism in Toddlers" ("M-CHAT") and the "Baby and Infant Screen for Children with aUtIsm…
Descriptors: Check Lists, Early Intervention, Autism, Predictive Validity
Matson, Johnny L.; Wilkins, Jonathan; Fodstad, Jill C. – Journal of Autism and Developmental Disorders, 2011
A top priority in the field of autism spectrum disorders (ASD) is the development of precise early diagnostic tools that can be completed with minimal time and training. We report on the convergent and divergent validity of the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT), specifically the BISCUIT-Part 1. Previous research with…
Descriptors: Check Lists, Autism, Validity, Toddlers
Matson, Johnny L.; Kozlowski, Alison M.; Neal, Daniene; Worley, Julie A.; Fodstad, Jill – Research in Autism Spectrum Disorders, 2011
The acquisition of social skills is an essential part of childhood and adolescent development. Due to its critical nature, assessment of appropriate and inappropriate social skills is necessary in order to determine whether or not deficits or excesses exist, thereby guiding treatment. The "Matson Evaluation of Social Skills with Youngsters"…
Descriptors: Autism, Children, Pervasive Developmental Disorders, Interpersonal Competence
Rojahn, Johannes; Wilkins, Jonathan; Matson, Johnny L.; Boisjoli, Jessica – Journal of Applied Research in Intellectual Disabilities, 2010
Challenging behaviour may not be part of the diagnostic criteria for Autistic Disorder but they are frequently exhibited by children and adults with this condition. Levels of challenging behaviours are highest in individuals with an autism spectrum disorder (ASD) and co-occurring intellectual disability (ID). The sample for this study consisted of…
Descriptors: Behavior Problems, Mental Retardation, Autism, Test Validity
Matson, Johnny L.; Hess, Julie A.; Mahan, Sara; Fodstad, Jill C. – Research in Autism Spectrum Disorders, 2010
The purpose of this paper was to further establish the validity of the Autism Spectrum Disorder-Diagnostic for Children (ASD-DC). The methodology consisted of testing the similarity of findings between the ASD-DC and the Autism Diagnostic Interview-Revised (ADI-R), which proved to be statistically significant for subscale content scores on social,…
Descriptors: Medical Evaluation, Autism, Pervasive Developmental Disorders, Measures (Individuals)
Matson, Johnny L.; Wilkins, Jonathan; Sharp, Brenda; Knight, Cheryl; Sevin, Jay A.; Boisjoli, Jessica A. – Research in Autism Spectrum Disorders, 2009
Early identification of autism spectrum disorders (ASD) is now considered best practice in the field of developmental disabilities. Despite calls by national pediatric organizations and others for routine screening in young children, such recommendations have been hard to implement in practice. One of the major unresolved problems is the need for…
Descriptors: Autism, Developmental Disabilities, Disability Identification, Pervasive Developmental Disorders
Matson, Johnny L.; Gonzalez, Melissa L.; Wilkins, Jonathan; Rivet, Tessa T. – Research in Autism Spectrum Disorders, 2008
The reliability of a new scale to assess Autistic Disorder, Pervasive Developmental Disorder, Not Otherwise Specified (PDD-NOS), and Asperger's Disorder in children was examined. Parents or other caregivers rated symptoms of 207 children between 2 and 16 years of age. The scale, which had 40 items in the final version, correlated highly with…
Descriptors: Autism, Interrater Reliability, Criteria, Psychopathology
Matson, Johnny L.; Wilkins, Jonathan; Boisjoli, Jessica A.; Smith, Kimberly R. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2008
Psychologists interviewed direct-care staff using a battery of assessment measures including the autism spectrum disorders-diagnosis for intellectually disabled adults (ASD-DA), the Diagnostic Assessment for the Severely Handicapped-II (DASH-II), the Matson Evaluation of Social Skills for Individuals with Severe Retardation (MESSIER), the…
Descriptors: Check Lists, Socialization, Severe Disabilities, Multitrait Multimethod Techniques
Peer reviewedMatson, Johnny L.; Smiroldo, Brandi B.; Hastings, Theresa L. – Journal of Autism and Developmental Disorders, 1998
An evaluation was made of the empirical validity of the Diagnostic Assessment for the Severely Handicapped-II (DASH-II) with 51 individuals with severe/profound mental retardation, some of whom were also diagnosed with autism, and controls. The Autism/Pervasive Developmental Disorder subscale of the DASH-II was internally consistent and just as…
Descriptors: Adults, Children, Classification, Clinical Diagnosis
