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Relationship between Early Social-Emotional Behavior and Autism Spectrum Disorder: A High-Risk Sibling Study
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Raza, Sarah; Sacrey, Lori-Ann R.; Zwaigenbaum, Lonnie; Bryson, Susan; Brian, Jessica; Smith, Isabel M.; Roberts, Wendy; Szatmari, Peter; Vaillancourt, Tracy; Roncadin, Caroline; Garon, Nancy – Journal of Autism and Developmental Disorders, 2020
Social-emotional behavior in autism spectrum disorder (ASD) was examined among high-risk (HR; siblings of children diagnosed with ASD) and low-risk (LR; no family history of ASD) toddlers. Caregivers completed the Infant-Toddler Social Emotional Assessment (ITSEA) at 18 months, and blind diagnostic assessment for ASD was conducted at 36 months.…
Descriptors: Autism, Pervasive Developmental Disorders, Genetics, Clinical Diagnosis
Using the PDD Behavior Inventory as a Level 2 Screener: A Classification and Regression Trees Analysis
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Cohen, Ira L.; Liu, Xudong; Hudson, Melissa; Gillis, Jennifer; Cavalari, Rachel N. S.; Romanczyk, Raymond G.; Karmel, Bernard Z.; Gardner, Judith M. – Journal of Autism and Developmental Disorders, 2016
In order to improve discrimination accuracy between Autism Spectrum Disorder (ASD) and similar neurodevelopmental disorders, a data mining procedure, Classification and Regression Trees (CART), was used on a large multi-site sample of PDD Behavior Inventory (PDDBI) forms on children with and without ASD. Discrimination accuracy exceeded 80%,…
Descriptors: Classification, Regression (Statistics), Children, Autism
Prediction of Autism at 3 Years from Behavioural and Developmental Measures in High-Risk Infants: A Longitudinal Cross-Domain Classifier Analysis
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Bussu, G.; Jones, E. J. H.; Charman, T.; Johnson, M. H.; Buitelaar, J. K.; Baron-Cohen, S.; Bedford, R.; Bolton, P.; Blasi, A.; Chandler, S.; Cheung, C.; Davies, K.; Elsabbagh, M.; Fernandes, J.; Gammer, I.; Garwood, H.; Gliga, T.; Guiraud, J.; Hudry, K.; Liew, M.; Lloyd-Fox, S.; Maris, H.; O'Hara, L.; Pasco, G.; Pickles, A.; Ribeiro, H.; Salomone, E.; Tucker, L.; Volein, A. – Journal of Autism and Developmental Disorders, 2018
We integrated multiple behavioural and developmental measures from multiple time-points using machine learning to improve early prediction of individual Autism Spectrum Disorder (ASD) outcome. We examined Mullen Scales of Early Learning, Vineland Adaptive Behavior Scales, and early ASD symptoms between 8 and 36 months in high-risk siblings (HR; n…
Descriptors: Prediction, Autism, Symptoms (Individual Disorders), Classification
Is It a Bird? Is It a Plane? Category Use in Problem-Solving in Children with Autism Spectrum Disorders
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Alderson-Day, Ben; McGonigle-Chalmers, Margaret – Journal of Autism and Developmental Disorders, 2011
Fourteen children with autism spectrum disorders (ASD) and fourteen age-matched typically-developing (TD) controls were tested on an adapted version of the Twenty Questions Task (Mosher and Hornsby in Studies in cognitive growth. Wiley, New York, pp 86-102, "1966") to examine effects of content, executive and verbal IQ factors on category use in…
Descriptors: Autism, Problem Solving, Short Term Memory, Children
A Neural Network Approach to the Classification of Autism.
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Cohen, Ira L.; And Others – Journal of Autism and Developmental Disorders, 1993
Neural network technology was compared with simultaneous and stepwise linear discriminant analysis in terms of their ability to classify and predict persons (n=138) as having autism or mental retardation. The neural network methodology was superior in both classifying groups and in generalizing to new cases that were not part of the training…
Descriptors: Autism, Classification, Generalization, Handicap Identification
Staff Perceptions of Reinforcer Responsiveness and Aberrant Behaviors in People with Mental Retardation.
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Bihm, Elson M.; And Others – Journal of Autism and Developmental Disorders, 1992
Analysis of staff perceptions of classes of reinforcers and aberrant behaviors of 480 people with predominantly severe or profound mental retardation suggested 8 classes of reinforcers (e.g., consumable, play) and 5 classes of maladaptive behaviors (irritability, lethargy, stereotypy, hyperactivity, and inappropriate speech). Each class of…
Descriptors: Attitudes, Behavior Patterns, Classification, Prediction