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Amin D. Lotfizadeh; Brendan Gard; Cynthia Rico; Alan Poling; Kristen R. Choi – Journal of Autism and Developmental Disorders, 2025
Behavior analysts frequently use the Verbal Behavior Milestones Assessment and Placement Program (VB-MAPP) to assess the language and social skills of children with autism in everyday practice and in research. Despite the widespread use of the VB-MAPP, its psychometric characteristics have not been extensively investigated. To provide information…
Descriptors: Adjustment (to Environment), Behavior Rating Scales, Autism Spectrum Disorders, Test Validity
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Iverson, Jana M.; Wozniak, Robert H. – Journal of Autism and Developmental Disorders, 2007
In this study we examined early motor, vocal, and communicative development in a group of younger siblings of children diagnosed with autism (Infant Siblings). Infant Siblings and no-risk comparison later-born infants were videotaped at home with a primary caregiver each month from 5 to 14 months, with follow-up at 18 months. As a group, Infant…
Descriptors: Siblings, Language Acquisition, Autism, Infants