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Iverson, Jana M.; Northrup, Jessie B.; Leezenbaum, Nina B.; Parladé, Meaghan V.; Koterba, Erin A.; West, Kelsey L. – Journal of Autism and Developmental Disorders, 2018
This study examined longitudinal growth in gestures and words in infants at heightened (HR) versus low risk (LR) for ASD. The MacArthur-Bates Communicative Development Inventory was administered monthly from 8 to 14 months and at 18 and 24 months to caregivers of 14 HR infants diagnosed with ASD (HR-ASD), 27 HR infants with language delay (HR-LD),…
Descriptors: Nonverbal Communication, Vocabulary Development, Infants, Siblings
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Sturner, Raymond; Howard, Barbara; Bergmann, Paul; Morrel, Tanya; Landa, Rebecca; Walton, Kejuana; Marks, Danielle – Journal of Autism and Developmental Disorders, 2017
Accuracy of autism screening using M-CHAT plus the follow-up interview (M-CHAT/F) for children screened positive at 18-months was compared to screening at 24-months. Formal ASD testing was criterion for a community sample of M-CHAT positive children (n = 98), positive predictive value (PPV) was 0.40 for the M-CHAT and 0.58 for the M-CHAT/F.…
Descriptors: Autism, Screening Tests, Accuracy, Predictor Variables