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Showing all 9 results
Direct linkGarcia, Mark J.; Matson, Johnny L. – Journal of Intellectual & Developmental Disability, 2008
Background: This study assessed the psychometrics of two measures--the "Matson Evaluation of Drug Side-effects" (MEDS) and the "Akathisia Ratings of Movement Scale" (ARMS)--and examined the symptom profile of akathisia in a sample of people with intellectual disability (ID). Method: Sixty-six participants formed three groups of 22 individuals,…
Descriptors: Severe Mental Retardation, Adults, Motor Reactions, Psychometrics
Matson, Johnny L.; Wilkins, Jonathan; Ancona, Martin – Journal of Intellectual & Developmental Disability, 2008
Background: Autism is one of the most intriguing and highly studied conditions in the field of mental health. However, most research has been carried out with young children to the exclusion of adults, particularly adults with intellectual disability (ID). The present study represents a first attempt to describe symptom patterns of autism for…
Descriptors: Autism, Clinical Diagnosis, Interpersonal Relationship, Interaction
Thorson, Ryan T.; Matson, Johnny L.; Rojahn, Johannes; Dixon, Dennis R. – Journal of Intellectual & Developmental Disability, 2008
Background: Although our understanding of dual diagnosis has improved, a deficit still exists in our knowledge of how schizophrenia spectrum disorders (SSD) manifest themselves in individuals with intellectual disability (ID). In addition, little is known about the relationship between behaviour problems and psychopathology in this population.…
Descriptors: Institutionalized Persons, Mental Retardation, Schizophrenia, Behavior Problems
Matson, Johnny L.; Rivet, Tessa T. – Journal of Intellectual & Developmental Disability, 2008
Background: Challenging behaviours are frequently a problem for people with autism spectrum disorders (ASD) and intellectual disability (ID). A better understanding of which individuals display which behaviours, at what rates, and the relationship of these behaviours to comorbid psychopathology would have important implications. Method: A group of…
Descriptors: Adults, Behavior Problems, Mental Retardation, Autism
Matson, Johnny L.; Fodstad, Jill C.; Rivet, Tessa T. – Journal of Intellectual & Developmental Disability, 2008
Background: Medication side-effects such as tardive dyskinesia (TD) are known to occur in individuals with a history of psychotropic drug use. This study aimed to contribute to the development of measures for assessing TD by examining the validity of the "Matson Evaluation of Drug Side-effects" (MEDS) with the "Dyskinesia Identification System:…
Descriptors: Test Validity, Drug Use, Measures (Individuals), Adults
Matson, Johnny L.; Boisjoli, Jessica A. – Journal of Intellectual & Developmental Disability, 2007
Background: The "Questions About Behavioral Function" (QABF) correctly identifies maintaining variables of challenging behaviour. However, for adults who have a long history of challenging behaviours, identifying one clear function of the maladaptive behaviour is difficult. Additionally, the person may develop multiple functions of their…
Descriptors: Behavior Problems, Mental Retardation, Adults, Test Reliability
Swender, Stephen L.; Matson, Johnny L.; Mayville, Stephen B.; Gonzalez, Melissa L.; McDowell, Donald – Journal of Intellectual and Developmental Disability, 2006
Background: The behavioural function of handmouthing has been assessed across various studies utilising analogue functional analyses. The aim of the current study was to expand upon research on this relatively understudied behaviour by examining the relationship between handmouthing and "Gastro-Esophageal Reflux Disorder" (GERD), and the potential…
Descriptors: Behavior Disorders, Self Destructive Behavior, Severe Mental Retardation, Functional Behavioral Assessment
Matson, Johnny L.; Cooper, Christopher L.; Mayville, Steven B.; Gonzalez, Melissa L. – Journal of Intellectual and Developmental Disability, 2006
Background: Feeding problems are common among individuals with intellectual disabilities. The aim of the current study was to determine the relationship between food refusal and social skills in people with intellectual disability. Method: "The Screening Tool of Feeding Problems" (STEP) was administered to all residents of a large developmental…
Descriptors: Interpersonal Competence, Mental Retardation, Food, Correlation
Peer reviewedMatson, Johnny L.; Smiroldo, Brandi B.; Bamburg, Jay W. – Journal of Intellectual and Developmental Disability, 1998
The relationships between social skills and psychopathology in 846 individuals with severe mental retardation was examined. Results showed that increases in psychopathological symptoms were related to increases in negative behaviors. Those without stereotypic movement disorders had greater general positive and positive nonverbal behaviors than…
Descriptors: Adults, Antisocial Behavior, Behavior Patterns, Emotional Disturbances
