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Direct linkBrennan, Laura; Barton, Marianne; Chen, Chi-Ming; Green, James; Fein, Deborah – Journal of Autism and Developmental Disorders, 2015
Hierarchical cluster analyses were used to detect three subgroups in a sample of children with pervasive developmental disorder--not otherwise specified (PDD-NOS) evaluated at ages 2 and 4. At age 2, Cluster 1 demonstrated few autism symptoms and high cognitive scores; 60% no longer met criteria for PDD at 4. Cluster 2 exhibited more autism…
Descriptors: Clinical Diagnosis, Autism, Pervasive Developmental Disorders, Symptoms (Individual Disorders)
Wiggins, Lisa D.; Robins, Diana L.; Adamson, Lauren B.; Bakeman, Roger; Henrich, Christopher C. – Journal of Autism and Developmental Disorders, 2012
We examined whether clinically distinct subgroups can be derived from a sample of toddlers (n = 186) who failed the Modified Checklist for Autism in Toddlers, received a comprehensive clinical evaluation, and were diagnosed with an autism spectrum disorder (ASD). Three subgroups emerged from cluster analysis distinguished by (a) social,…
Descriptors: Check Lists, Autism, Toddlers, Multivariate Analysis
Baghdadli, Amaria; Assouline, Brigitte; Sonie, Sandrine; Pernon, Eric; Darrou, Celine; Michelon, Cecile; Picot, Marie-Christine; Aussilloux, Charles; Pry, Rene – Journal of Autism and Developmental Disorders, 2012
This study examines change in 152 children over an almost 10-year period (T1: 4.9 (plus or minus 1.3) years; T2: 8.1 (plus or minus 1.3) years; T3: 15(plus or minus 1.6) years) using a group-based, semi-parametric method in order to identify distinct developmental trajectories. Important deficits remain at adolescence in the adaptive abilities of…
Descriptors: Early Intervention, Autism, Multivariate Analysis, Language Skills
