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Peer reviewedSiegel, Bryna; And Others – Journal of Autism and Developmental Disorders, 1986
A method for empirical classification of autistic and autisticlike children, based on behavior observations of 35 males and 11 females (ages 4-28 years) was examined. Factor and cluster analysis indicated four subtypes, characterized by perseverative thinking and play, motor disturbances, schizotypal/schizoid features, and anxiety and negativism.…
Descriptors: Adults, Anxiety, Autism, Behavior Rating Scales
